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Added phaser build and hellophaser sample

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Andrew Kesterson
2014-06-09 21:32:48 -07:00
parent 49f23abbe8
commit 48b5c5714a
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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* The Physics Manager is responsible for looking after all of the running physics systems.
* Phaser supports 3 physics systems: Arcade Physics, P2 and Ninja Physics (with Box2D and Chipmunk in development)
* Game Objects can belong to only 1 physics system, but you can have multiple systems active in a single game.
*
* For example you could have P2 managing a polygon-built terrain landscape that an vehicle drives over, while it could be firing bullets that use the
* faster (due to being much simpler) Arcade Physics system.
*
* @class Phaser.Physics
*
* @constructor
* @param {Phaser.Game} game - A reference to the currently running game.
* @param {object} [physicsConfig=null] - A physics configuration object to pass to the Physics world on creation.
*/
Phaser.Physics = function (game, config) {
config = config || {};
/**
* @property {Phaser.Game} game - Local reference to game.
*/
this.game = game;
/**
* @property {object} config - The physics configuration object as passed to the game on creation.
*/
this.config = config;
/**
* @property {Phaser.Physics.Arcade} arcade - The Arcade Physics system.
*/
this.arcade = null;
/**
* @property {Phaser.Physics.P2} p2 - The P2.JS Physics system.
*/
this.p2 = null;
/**
* @property {Phaser.Physics.Ninja} ninja - The N+ Ninja Physics System.
*/
this.ninja = null;
/**
* @property {Phaser.Physics.Box2D} box2d - The Box2D Physics system (to be done).
*/
this.box2d = null;
/**
* @property {Phaser.Physics.Chipmunk} chipmunk - The Chipmunk Physics system (to be done).
*/
this.chipmunk = null;
this.parseConfig();
};
/**
* @const
* @type {number}
*/
Phaser.Physics.ARCADE = 0;
/**
* @const
* @type {number}
*/
Phaser.Physics.P2JS = 1;
/**
* @const
* @type {number}
*/
Phaser.Physics.NINJA = 2;
/**
* @const
* @type {number}
*/
Phaser.Physics.BOX2D = 3;
/**
* @const
* @type {number}
*/
Phaser.Physics.CHIPMUNK = 5;
Phaser.Physics.prototype = {
/**
* Parses the Physics Configuration object passed to the Game constructor and starts any physics systems specified within.
*
* @method Phaser.Physics#parseConfig
*/
parseConfig: function () {
if ((!this.config.hasOwnProperty('arcade') || this.config['arcade'] === true) && Phaser.Physics.hasOwnProperty('Arcade'))
{
// If Arcade isn't specified, we create it automatically if we can
this.arcade = new Phaser.Physics.Arcade(this.game);
this.game.time.deltaCap = 0.2;
}
if (this.config.hasOwnProperty('ninja') && this.config['ninja'] === true && Phaser.Physics.hasOwnProperty('Ninja'))
{
this.ninja = new Phaser.Physics.Ninja(this.game);
}
if (this.config.hasOwnProperty('p2') && this.config['p2'] === true && Phaser.Physics.hasOwnProperty('P2'))
{
this.p2 = new Phaser.Physics.P2(this.game, this.config);
}
},
/**
* This will create an instance of the requested physics simulation.
* Phaser.Physics.Arcade is running by default, but all others need activating directly.
* You can start the following physics systems:
* Phaser.Physics.P2JS - A full-body advanced physics system by Stefan Hedman.
* Phaser.Physics.NINJA - A port of Metanet Softwares N+ physics system.
* Phaser.Physics.BOX2D and Phaser.Physics.CHIPMUNK are still in development.
*
* @method Phaser.Physics#startSystem
* @param {number} The physics system to start.
*/
startSystem: function (system) {
if (system === Phaser.Physics.ARCADE)
{
this.arcade = new Phaser.Physics.Arcade(this.game);
}
else if (system === Phaser.Physics.P2JS)
{
this.p2 = new Phaser.Physics.P2(this.game, this.config);
}
if (system === Phaser.Physics.NINJA)
{
this.ninja = new Phaser.Physics.Ninja(this.game);
}
else if (system === Phaser.Physics.BOX2D && this.box2d === null)
{
throw new Error('The Box2D physics system has not been implemented yet.');
}
else if (system === Phaser.Physics.CHIPMUNK && this.chipmunk === null)
{
throw new Error('The Chipmunk physics system has not been implemented yet.');
}
},
/**
* This will create a default physics body on the given game object or array of objects.
* A game object can only have 1 physics body active at any one time, and it can't be changed until the object is destroyed.
* It can be for any of the physics systems that have been started:
*
* Phaser.Physics.Arcade - A light weight AABB based collision system with basic separation.
* Phaser.Physics.P2JS - A full-body advanced physics system supporting multiple object shapes, polygon loading, contact materials, springs and constraints.
* Phaser.Physics.NINJA - A port of Metanet Softwares N+ physics system. Advanced AABB and Circle vs. Tile collision.
* Phaser.Physics.BOX2D and Phaser.Physics.CHIPMUNK are still in development.
*
* If you require more control over what type of body is created, for example to create a Ninja Physics Circle instead of the default AABB, then see the
* individual physics systems `enable` methods instead of using this generic one.
*
* @method Phaser.Physics#enable
* @param {object|array} object - The game object to create the physics body on. Can also be an array of objects, a body will be created on every object in the array.
* @param {number} [system=Phaser.Physics.ARCADE] - The physics system that will be used to create the body. Defaults to Arcade Physics.
* @param {boolean} [debug=false] - Enable the debug drawing for this body. Defaults to false.
*/
enable: function (object, system, debug) {
if (typeof system === 'undefined') { system = Phaser.Physics.ARCADE; }
if (typeof debug === 'undefined') { debug = false; }
if (system === Phaser.Physics.ARCADE)
{
this.arcade.enable(object);
}
else if (system === Phaser.Physics.P2JS && this.p2)
{
this.p2.enable(object, debug);
}
else if (system === Phaser.Physics.NINJA && this.ninja)
{
this.ninja.enableAABB(object);
}
},
/**
* preUpdate checks.
*
* @method Phaser.Physics#preUpdate
* @protected
*/
preUpdate: function () {
// ArcadePhysics / Ninja don't have a core to preUpdate
if (this.p2)
{
this.p2.preUpdate();
}
},
/**
* Updates all running physics systems.
*
* @method Phaser.Physics#update
* @protected
*/
update: function () {
// ArcadePhysics / Ninja don't have a core to update
if (this.p2)
{
this.p2.update();
}
},
/**
* Updates the physics bounds to match the world dimensions.
*
* @method Phaser.Physics#setBoundsToWorld
* @protected
*/
setBoundsToWorld: function () {
if (this.arcade)
{
this.arcade.setBoundsToWorld();
}
if (this.ninja)
{
this.ninja.setBoundsToWorld();
}
if (this.p2)
{
this.p2.setBoundsToWorld();
}
},
/**
* Clears down all active physics systems. This doesn't destroy them, it just clears them of objects and is called when the State changes.
*
* @method Phaser.Physics#clear
* @protected
*/
clear: function () {
if (this.p2)
{
this.p2.clear();
}
},
/**
* Destroys all active physics systems. Usually only called on a Game Shutdown, not on a State swap.
*
* @method Phaser.Physics#destroy
*/
destroy: function () {
if (this.p2)
{
this.p2.destroy();
}
this.arcade = null;
this.ninja = null;
this.p2 = null;
}
};
Phaser.Physics.prototype.constructor = Phaser.Physics;

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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* The Physics Body is linked to a single Sprite. All physics operations should be performed against the body rather than
* the Sprite itself. For example you can set the velocity, acceleration, bounce values etc all on the Body.
*
* @class Phaser.Physics.Arcade.Body
* @classdesc Arcade Physics Body Constructor
* @constructor
* @param {Phaser.Sprite} sprite - The Sprite object this physics body belongs to.
*/
Phaser.Physics.Arcade.Body = function (sprite) {
/**
* @property {Phaser.Sprite} sprite - Reference to the parent Sprite.
*/
this.sprite = sprite;
/**
* @property {Phaser.Game} game - Local reference to game.
*/
this.game = sprite.game;
/**
* @property {number} type - The type of physics system this body belongs to.
*/
this.type = Phaser.Physics.ARCADE;
/**
* @property {Phaser.Point} offset - The offset of the Physics Body from the Sprite x/y position.
*/
this.offset = new Phaser.Point();
/**
* @property {Phaser.Point} position - The position of the physics body.
* @readonly
*/
this.position = new Phaser.Point(sprite.x, sprite.y);
/**
* @property {Phaser.Point} prev - The previous position of the physics body.
* @readonly
*/
this.prev = new Phaser.Point(this.position.x, this.position.y);
/**
* @property {boolean} allowRotation - Allow this Body to be rotated? (via angularVelocity, etc)
* @default
*/
this.allowRotation = true;
/**
* @property {number} rotation - The amount the Body is rotated.
*/
this.rotation = sprite.rotation;
/**
* @property {number} preRotation - The previous rotation of the physics body.
* @readonly
*/
this.preRotation = sprite.rotation;
/**
* @property {number} sourceWidth - The un-scaled original size.
* @readonly
*/
this.sourceWidth = sprite.texture.frame.width;
/**
* @property {number} sourceHeight - The un-scaled original size.
* @readonly
*/
this.sourceHeight = sprite.texture.frame.height;
/**
* @property {number} width - The calculated width of the physics body.
*/
this.width = sprite.width;
/**
* @property .numInternal ID cache
*/
this.height = sprite.height;
/**
* @property {number} halfWidth - The calculated width / 2 of the physics body.
*/
this.halfWidth = Math.abs(sprite.width / 2);
/**
* @property {number} halfHeight - The calculated height / 2 of the physics body.
*/
this.halfHeight = Math.abs(sprite.height / 2);
/**
* @property {Phaser.Point} center - The center coordinate of the Physics Body.
*/
this.center = new Phaser.Point(sprite.x + this.halfWidth, sprite.y + this.halfHeight);
/**
* @property {Phaser.Point} velocity - The velocity in pixels per second sq. of the Body.
*/
this.velocity = new Phaser.Point();
/**
* @property {Phaser.Point} newVelocity - New velocity.
* @readonly
*/
this.newVelocity = new Phaser.Point(0, 0);
/**
* @property {Phaser.Point} deltaMax - The Sprite position is updated based on the delta x/y values. You can set a cap on those (both +-) using deltaMax.
*/
this.deltaMax = new Phaser.Point(0, 0);
/**
* @property {Phaser.Point} acceleration - The velocity in pixels per second sq. of the Body.
*/
this.acceleration = new Phaser.Point();
/**
* @property {Phaser.Point} drag - The drag applied to the motion of the Body.
*/
this.drag = new Phaser.Point();
/**
* @property {boolean} allowGravity - Allow this Body to be influenced by gravity? Either world or local.
* @default
*/
this.allowGravity = true;
/**
* @property {Phaser.Point} gravity - A local gravity applied to this Body. If non-zero this over rides any world gravity, unless Body.allowGravity is set to false.
*/
this.gravity = new Phaser.Point(0, 0);
/**
* @property {Phaser.Point} bounce - The elasticitiy of the Body when colliding. bounce.x/y = 1 means full rebound, bounce.x/y = 0.5 means 50% rebound velocity.
*/
this.bounce = new Phaser.Point();
/**
* @property {Phaser.Point} maxVelocity - The maximum velocity in pixels per second sq. that the Body can reach.
* @default
*/
this.maxVelocity = new Phaser.Point(10000, 10000);
/**
* @property {number} angularVelocity - The angular velocity in pixels per second sq. of the Body.
* @default
*/
this.angularVelocity = 0;
/**
* @property {number} angularAcceleration - The angular acceleration in pixels per second sq. of the Body.
* @default
*/
this.angularAcceleration = 0;
/**
* @property {number} angularDrag - The angular drag applied to the rotation of the Body.
* @default
*/
this.angularDrag = 0;
/**
* @property {number} maxAngular - The maximum angular velocity in pixels per second sq. that the Body can reach.
* @default
*/
this.maxAngular = 1000;
/**
* @property {number} mass - The mass of the Body.
* @default
*/
this.mass = 1;
/**
* @property {number} angle - The angle of the Body in radians as calculated by its velocity, rather than its visual angle.
* @readonly
*/
this.angle = 0;
/**
* @property {number} speed - The speed of the Body as calculated by its velocity.
* @readonly
*/
this.speed = 0;
/**
* @property {number} facing - A const reference to the direction the Body is traveling or facing.
* @default
*/
this.facing = Phaser.NONE;
/**
* @property {boolean} immovable - An immovable Body will not receive any impacts from other bodies.
* @default
*/
this.immovable = false;
/**
* If you have a Body that is being moved around the world via a tween or a Group motion, but its local x/y position never
* actually changes, then you should set Body.moves = false. Otherwise it will most likely fly off the screen.
* If you want the physics system to move the body around, then set moves to true.
* @property {boolean} moves - Set to true to allow the Physics system to move this Body, other false to move it manually.
* @default
*/
this.moves = true;
/**
* This flag allows you to disable the custom x separation that takes place by Physics.Arcade.separate.
* Used in combination with your own collision processHandler you can create whatever type of collision response you need.
* @property {boolean} customSeparateX - Use a custom separation system or the built-in one?
* @default
*/
this.customSeparateX = false;
/**
* This flag allows you to disable the custom y separation that takes place by Physics.Arcade.separate.
* Used in combination with your own collision processHandler you can create whatever type of collision response you need.
* @property {boolean} customSeparateY - Use a custom separation system or the built-in one?
* @default
*/
this.customSeparateY = false;
/**
* When this body collides with another, the amount of overlap is stored here.
* @property {number} overlapX - The amount of horizontal overlap during the collision.
*/
this.overlapX = 0;
/**
* When this body collides with another, the amount of overlap is stored here.
* @property {number} overlapY - The amount of vertical overlap during the collision.
*/
this.overlapY = 0;
/**
* If a body is overlapping with another body, but neither of them are moving (maybe they spawned on-top of each other?) this is set to true.
* @property {boolean} embedded - Body embed value.
*/
this.embedded = false;
/**
* A Body can be set to collide against the World bounds automatically and rebound back into the World if this is set to true. Otherwise it will leave the World.
* @property {boolean} collideWorldBounds - Should the Body collide with the World bounds?
*/
this.collideWorldBounds = false;
/**
* Set the checkCollision properties to control which directions collision is processed for this Body.
* For example checkCollision.up = false means it won't collide when the collision happened while moving up.
* @property {object} checkCollision - An object containing allowed collision.
*/
this.checkCollision = { none: false, any: true, up: true, down: true, left: true, right: true };
/**
* This object is populated with boolean values when the Body collides with another.
* touching.up = true means the collision happened to the top of this Body for example.
* @property {object} touching - An object containing touching results.
*/
this.touching = { none: true, up: false, down: false, left: false, right: false };
/**
* This object is populated with previous touching values from the bodies previous collision.
* @property {object} wasTouching - An object containing previous touching results.
*/
this.wasTouching = { none: true, up: false, down: false, left: false, right: false };
/**
* This object is populated with boolean values when the Body collides with the World bounds or a Tile.
* For example if blocked.up is true then the Body cannot move up.
* @property {object} blocked - An object containing on which faces this Body is blocked from moving, if any.
*/
this.blocked = { up: false, down: false, left: false, right: false };
/**
* If this is an especially small or fast moving object then it can sometimes skip over tilemap collisions if it moves through a tile in a step.
* Set this padding value to add extra padding to its bounds. tilePadding.x applied to its width, y to its height.
* @property {Phaser.Point} tilePadding - Extra padding to be added to this sprites dimensions when checking for tile collision.
*/
this.tilePadding = new Phaser.Point();
/**
* @property {number} phaser - Is this Body in a preUpdate (1) or postUpdate (2) state?
*/
this.phase = 0;
/**
* @property {boolean} _reset - Internal cache var.
* @private
*/
this._reset = true;
/**
* @property {number} _sx - Internal cache var.
* @private
*/
this._sx = sprite.scale.x;
/**
* @property {number} _sy - Internal cache var.
* @private
*/
this._sy = sprite.scale.y;
/**
* @property {number} _dx - Internal cache var.
* @private
*/
this._dx = 0;
/**
* @property {number} _dy - Internal cache var.
* @private
*/
this._dy = 0;
};
Phaser.Physics.Arcade.Body.prototype = {
/**
* Internal method.
*
* @method Phaser.Physics.Arcade.Body#updateBounds
* @protected
*/
updateBounds: function () {
var asx = Math.abs(this.sprite.scale.x);
var asy = Math.abs(this.sprite.scale.y);
if (asx !== this._sx || asy !== this._sy)
{
this.width = this.sourceWidth * asx;
this.height = this.sourceHeight * asy;
this.halfWidth = Math.floor(this.width / 2);
this.halfHeight = Math.floor(this.height / 2);
this._sx = asx;
this._sy = asy;
this.center.setTo(this.position.x + this.halfWidth, this.position.y + this.halfHeight);
this._reset = true;
}
},
/**
* Internal method.
*
* @method Phaser.Physics.Arcade.Body#preUpdate
* @protected
*/
preUpdate: function () {
this.phase = 1;
// Store and reset collision flags
this.wasTouching.none = this.touching.none;
this.wasTouching.up = this.touching.up;
this.wasTouching.down = this.touching.down;
this.wasTouching.left = this.touching.left;
this.wasTouching.right = this.touching.right;
this.touching.none = true;
this.touching.up = false;
this.touching.down = false;
this.touching.left = false;
this.touching.right = false;
this.blocked.up = false;
this.blocked.down = false;
this.blocked.left = false;
this.blocked.right = false;
this.embedded = false;
this.updateBounds();
this.position.x = (this.sprite.world.x - (this.sprite.anchor.x * this.width)) + this.offset.x;
this.position.y = (this.sprite.world.y - (this.sprite.anchor.y * this.height)) + this.offset.y;
this.rotation = this.sprite.angle;
this.preRotation = this.rotation;
if (this._reset || this.sprite._cache[4] === 1)
{
this.prev.x = this.position.x;
this.prev.y = this.position.y;
}
if (this.moves)
{
this.game.physics.arcade.updateMotion(this);
this.newVelocity.set(this.velocity.x * this.game.time.physicsElapsed, this.velocity.y * this.game.time.physicsElapsed);
this.position.x += this.newVelocity.x;
this.position.y += this.newVelocity.y;
if (this.position.x !== this.prev.x || this.position.y !== this.prev.y)
{
this.speed = Math.sqrt(this.velocity.x * this.velocity.x + this.velocity.y * this.velocity.y);
this.angle = Math.atan2(this.velocity.y, this.velocity.x);
}
// Now the State update will throw collision checks at the Body
// And finally we'll integrate the new position back to the Sprite in postUpdate
if (this.collideWorldBounds)
{
this.checkWorldBounds();
}
}
this._dx = this.deltaX();
this._dy = this.deltaY();
this._reset = false;
},
/**
* Internal method.
*
* @method Phaser.Physics.Arcade.Body#postUpdate
* @protected
*/
postUpdate: function () {
// Only allow postUpdate to be called once per frame
if (this.phase === 2)
{
return;
}
this.phase = 2;
if (this.deltaX() < 0)
{
this.facing = Phaser.LEFT;
}
else if (this.deltaX() > 0)
{
this.facing = Phaser.RIGHT;
}
if (this.deltaY() < 0)
{
this.facing = Phaser.UP;
}
else if (this.deltaY() > 0)
{
this.facing = Phaser.DOWN;
}
if (this.moves)
{
this._dx = this.deltaX();
this._dy = this.deltaY();
if (this.deltaMax.x !== 0 && this._dx !== 0)
{
if (this._dx < 0 && this._dx < -this.deltaMax.x)
{
this._dx = -this.deltaMax.x;
}
else if (this._dx > 0 && this._dx > this.deltaMax.x)
{
this._dx = this.deltaMax.x;
}
}
if (this.deltaMax.y !== 0 && this._dy !== 0)
{
if (this._dy < 0 && this._dy < -this.deltaMax.y)
{
this._dy = -this.deltaMax.y;
}
else if (this._dy > 0 && this._dy > this.deltaMax.y)
{
this._dy = this.deltaMax.y;
}
}
this.sprite.x += this._dx;
this.sprite.y += this._dy;
}
this.center.setTo(this.position.x + this.halfWidth, this.position.y + this.halfHeight);
if (this.allowRotation)
{
this.sprite.angle += this.deltaZ();
}
this.prev.x = this.position.x;
this.prev.y = this.position.y;
},
/**
* Removes this bodies reference to its parent sprite, freeing it up for gc.
*
* @method Phaser.Physics.Arcade.Body#destroy
*/
destroy: function () {
this.sprite = null;
},
/**
* Internal method.
*
* @method Phaser.Physics.Arcade.Body#checkWorldBounds
* @protected
*/
checkWorldBounds: function () {
if (this.position.x < this.game.physics.arcade.bounds.x && this.game.physics.arcade.checkCollision.left)
{
this.position.x = this.game.physics.arcade.bounds.x;
this.velocity.x *= -this.bounce.x;
this.blocked.left = true;
}
else if (this.right > this.game.physics.arcade.bounds.right && this.game.physics.arcade.checkCollision.right)
{
this.position.x = this.game.physics.arcade.bounds.right - this.width;
this.velocity.x *= -this.bounce.x;
this.blocked.right = true;
}
if (this.position.y < this.game.physics.arcade.bounds.y && this.game.physics.arcade.checkCollision.up)
{
this.position.y = this.game.physics.arcade.bounds.y;
this.velocity.y *= -this.bounce.y;
this.blocked.up = true;
}
else if (this.bottom > this.game.physics.arcade.bounds.bottom && this.game.physics.arcade.checkCollision.down)
{
this.position.y = this.game.physics.arcade.bounds.bottom - this.height;
this.velocity.y *= -this.bounce.y;
this.blocked.down = true;
}
},
/**
* You can modify the size of the physics Body to be any dimension you need.
* So it could be smaller or larger than the parent Sprite. You can also control the x and y offset, which
* is the position of the Body relative to the top-left of the Sprite.
*
* @method Phaser.Physics.Arcade.Body#setSize
* @param {number} width - The width of the Body.
* @param {number} height - The height of the Body.
* @param {number} offsetX - The X offset of the Body from the Sprite position.
* @param {number} offsetY - The Y offset of the Body from the Sprite position.
*/
setSize: function (width, height, offsetX, offsetY) {
offsetX = offsetX || this.offset.x;
offsetY = offsetY || this.offset.y;
this.sourceWidth = width;
this.sourceHeight = height;
this.width = this.sourceWidth * this._sx;
this.height = this.sourceHeight * this._sy;
this.halfWidth = Math.floor(this.width / 2);
this.halfHeight = Math.floor(this.height / 2);
this.offset.setTo(offsetX, offsetY);
this.center.setTo(this.position.x + this.halfWidth, this.position.y + this.halfHeight);
},
/**
* Resets all Body values (velocity, acceleration, rotation, etc)
*
* @method Phaser.Physics.Arcade.Body#reset
* @param {number} x - The new x position of the Body.
* @param {number} y - The new y position of the Body.
*/
reset: function (x, y) {
this.velocity.set(0);
this.acceleration.set(0);
this.angularVelocity = 0;
this.angularAcceleration = 0;
this.position.x = (x - (this.sprite.anchor.x * this.width)) + this.offset.x;
this.position.y = (y - (this.sprite.anchor.y * this.height)) + this.offset.y;
this.prev.x = this.position.x;
this.prev.y = this.position.y;
this.rotation = this.sprite.angle;
this.preRotation = this.rotation;
this._sx = this.sprite.scale.x;
this._sy = this.sprite.scale.y;
this.center.setTo(this.position.x + this.halfWidth, this.position.y + this.halfHeight);
},
/**
* Tests if a world point lies within this Body.
*
* @method Phaser.Physics.Arcade.Body#hitTest
* @param {number} x - The world x coordinate to test.
* @param {number} y - The world y coordinate to test.
* @return {boolean} True if the given coordinates are inside this Body, otherwise false.
*/
hitTest: function (x, y) {
return Phaser.Rectangle.contains(this, x, y);
},
/**
* Returns true if the bottom of this Body is in contact with either the world bounds or a tile.
*
* @method Phaser.Physics.Arcade.Body#onFloor
* @return {boolean} True if in contact with either the world bounds or a tile.
*/
onFloor: function () {
return this.blocked.down;
},
/**
* Returns true if either side of this Body is in contact with either the world bounds or a tile.
*
* @method Phaser.Physics.Arcade.Body#onWall
* @return {boolean} True if in contact with either the world bounds or a tile.
*/
onWall: function () {
return (this.blocked.left || this.blocked.right);
},
/**
* Returns the absolute delta x value.
*
* @method Phaser.Physics.Arcade.Body#deltaAbsX
* @return {number} The absolute delta value.
*/
deltaAbsX: function () {
return (this.deltaX() > 0 ? this.deltaX() : -this.deltaX());
},
/**
* Returns the absolute delta y value.
*
* @method Phaser.Physics.Arcade.Body#deltaAbsY
* @return {number} The absolute delta value.
*/
deltaAbsY: function () {
return (this.deltaY() > 0 ? this.deltaY() : -this.deltaY());
},
/**
* Returns the delta x value. The difference between Body.x now and in the previous step.
*
* @method Phaser.Physics.Arcade.Body#deltaX
* @return {number} The delta value. Positive if the motion was to the right, negative if to the left.
*/
deltaX: function () {
return this.position.x - this.prev.x;
},
/**
* Returns the delta y value. The difference between Body.y now and in the previous step.
*
* @method Phaser.Physics.Arcade.Body#deltaY
* @return {number} The delta value. Positive if the motion was downwards, negative if upwards.
*/
deltaY: function () {
return this.position.y - this.prev.y;
},
/**
* Returns the delta z value. The difference between Body.rotation now and in the previous step.
*
* @method Phaser.Physics.Arcade.Body#deltaZ
* @return {number} The delta value. Positive if the motion was clockwise, negative if anti-clockwise.
*/
deltaZ: function () {
return this.rotation - this.preRotation;
}
};
/**
* @name Phaser.Physics.Arcade.Body#bottom
* @property {number} bottom - The bottom value of this Body (same as Body.y + Body.height)
* @readonly
*/
Object.defineProperty(Phaser.Physics.Arcade.Body.prototype, "bottom", {
get: function () {
return this.position.y + this.height;
}
});
/**
* @name Phaser.Physics.Arcade.Body#right
* @property {number} right - The right value of this Body (same as Body.x + Body.width)
* @readonly
*/
Object.defineProperty(Phaser.Physics.Arcade.Body.prototype, "right", {
get: function () {
return this.position.x + this.width;
}
});
/**
* @name Phaser.Physics.Arcade.Body#x
* @property {number} x - The x position.
*/
Object.defineProperty(Phaser.Physics.Arcade.Body.prototype, "x", {
get: function () {
return this.position.x;
},
set: function (value) {
this.position.x = value;
}
});
/**
* @name Phaser.Physics.Arcade.Body#y
* @property {number} y - The y position.
*/
Object.defineProperty(Phaser.Physics.Arcade.Body.prototype, "y", {
get: function () {
return this.position.y;
},
set: function (value) {
this.position.y = value;
}
});
/**
* Render Sprite Body.
*
* @method Phaser.Physics.Arcade.Body#renderDebug
* @param {object} context - The context to render to.
* @param {Phaser.Physics.Arcade.Body} body - The Body to render the info of.
* @param {string} [color='rgb(255,255,255)'] - color of the debug info to be rendered. (format is css color string).
* @param {boolean} [filled=true] - Render the objected as a filled (default, true) or a stroked (false)
*/
Phaser.Physics.Arcade.Body.render = function (context, body, filled, color) {
if (typeof filled === 'undefined') { filled = true; }
color = color || 'rgba(0,255,0,0.4)';
if (filled)
{
context.fillStyle = color;
context.fillRect(body.position.x - body.game.camera.x, body.position.y - body.game.camera.y, body.width, body.height);
}
else
{
context.strokeStyle = color;
context.strokeRect(body.position.x - body.game.camera.x, body.position.y - body.game.camera.y, body.width, body.height);
}
};
/**
* Render Sprite Body Physics Data as text.
*
* @method Phaser.Physics.Arcade.Body#renderBodyInfo
* @param {Phaser.Physics.Arcade.Body} body - The Body to render the info of.
* @param {number} x - X position of the debug info to be rendered.
* @param {number} y - Y position of the debug info to be rendered.
* @param {string} [color='rgb(255,255,255)'] - color of the debug info to be rendered. (format is css color string).
*/
Phaser.Physics.Arcade.Body.renderBodyInfo = function (debug, body) {
debug.line('x: ' + body.x.toFixed(2), 'y: ' + body.y.toFixed(2), 'width: ' + body.width, 'height: ' + body.height);
debug.line('velocity x: ' + body.velocity.x.toFixed(2), 'y: ' + body.velocity.y.toFixed(2), 'deltaX: ' + body._dx.toFixed(2), 'deltaY: ' + body._dy.toFixed(2));
debug.line('acceleration x: ' + body.acceleration.x.toFixed(2), 'y: ' + body.acceleration.y.toFixed(2), 'speed: ' + body.speed.toFixed(2), 'angle: ' + body.angle.toFixed(2));
debug.line('gravity x: ' + body.gravity.x, 'y: ' + body.gravity.y, 'bounce x: ' + body.bounce.x.toFixed(2), 'y: ' + body.bounce.y.toFixed(2));
debug.line('touching left: ' + body.touching.left, 'right: ' + body.touching.right, 'up: ' + body.touching.up, 'down: ' + body.touching.down);
debug.line('blocked left: ' + body.blocked.left, 'right: ' + body.blocked.right, 'up: ' + body.blocked.up, 'down: ' + body.blocked.down);
};
Phaser.Physics.Arcade.Body.prototype.constructor = Phaser.Physics.Arcade.Body;

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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* The Physics Body is linked to a single Sprite. All physics operations should be performed against the body rather than
* the Sprite itself. For example you can set the velocity, bounce values etc all on the Body.
*
* @class Phaser.Physics.Ninja.Body
* @classdesc Ninja Physics Body Constructor
* @constructor
* @param {Phaser.Physics.Ninja} system - The physics system this Body belongs to.
* @param {Phaser.Sprite} sprite - The Sprite object this physics body belongs to.
* @param {number} [type=1] - The type of Ninja shape to create. 1 = AABB, 2 = Circle or 3 = Tile.
* @param {number} [id=1] - If this body is using a Tile shape, you can set the Tile id here, i.e. Phaser.Physics.Ninja.Tile.SLOPE_45DEGpn, Phaser.Physics.Ninja.Tile.CONVEXpp, etc.
* @param {number} [radius=16] - If this body is using a Circle shape this controls the radius.
* @param {number} [x=0] - The x coordinate of this Body. This is only used if a sprite is not provided.
* @param {number} [y=0] - The y coordinate of this Body. This is only used if a sprite is not provided.
* @param {number} [width=0] - The width of this Body. This is only used if a sprite is not provided.
* @param {number} [height=0] - The height of this Body. This is only used if a sprite is not provided.
*/
Phaser.Physics.Ninja.Body = function (system, sprite, type, id, radius, x, y, width, height) {
sprite = sprite || null;
if (typeof type === 'undefined') { type = 1; }
if (typeof id === 'undefined') { id = 1; }
if (typeof radius === 'undefined') { radius = 16; }
/**
* @property {Phaser.Sprite} sprite - Reference to the parent Sprite.
*/
this.sprite = sprite;
/**
* @property {Phaser.Game} game - Local reference to game.
*/
this.game = system.game;
/**
* @property {number} type - The type of physics system this body belongs to.
*/
this.type = Phaser.Physics.NINJA;
/**
* @property {Phaser.Physics.Ninja} system - The parent physics system.
*/
this.system = system;
/**
* @property {Phaser.Physics.Ninja.AABB} aabb - The AABB object this body is using for collision.
*/
this.aabb = null;
/**
* @property {Phaser.Physics.Ninja.Tile} tile - The Tile object this body is using for collision.
*/
this.tile = null;
/**
* @property {Phaser.Physics.Ninja.Circle} circle - The Circle object this body is using for collision.
*/
this.circle = null;
/**
* @property {object} shape - A local reference to the body shape.
*/
this.shape = null;
// Setting drag to 0 and friction to 0 means you get a normalised speed (px psec)
/**
* @property {number} drag - The drag applied to this object as it moves.
* @default
*/
this.drag = 1;
/**
* @property {number} friction - The friction applied to this object as it moves.
* @default
*/
this.friction = 0.05;
/**
* @property {number} gravityScale - How much of the world gravity should be applied to this object? 1 = all of it, 0.5 = 50%, etc.
* @default
*/
this.gravityScale = 1;
/**
* @property {number} bounce - The bounciness of this object when it collides. A value between 0 and 1. We recommend setting it to 0.999 to avoid jittering.
* @default
*/
this.bounce = 0.3;
/**
* @property {Phaser.Point} velocity - The velocity in pixels per second sq. of the Body.
*/
this.velocity = new Phaser.Point();
/**
* @property {number} facing - A const reference to the direction the Body is traveling or facing.
* @default
*/
this.facing = Phaser.NONE;
/**
* @property {boolean} immovable - An immovable Body will not receive any impacts from other bodies. Not fully implemented.
* @default
*/
this.immovable = false;
/**
* A Body can be set to collide against the World bounds automatically and rebound back into the World if this is set to true. Otherwise it will leave the World.
* @property {boolean} collideWorldBounds - Should the Body collide with the World bounds?
*/
this.collideWorldBounds = true;
/**
* Set the checkCollision properties to control which directions collision is processed for this Body.
* For example checkCollision.up = false means it won't collide when the collision happened while moving up.
* @property {object} checkCollision - An object containing allowed collision.
*/
this.checkCollision = { none: false, any: true, up: true, down: true, left: true, right: true };
/**
* This object is populated with boolean values when the Body collides with another.
* touching.up = true means the collision happened to the top of this Body for example.
* @property {object} touching - An object containing touching results.
*/
this.touching = { none: true, up: false, down: false, left: false, right: false };
/**
* This object is populated with previous touching values from the bodies previous collision.
* @property {object} wasTouching - An object containing previous touching results.
*/
this.wasTouching = { none: true, up: false, down: false, left: false, right: false };
/**
* @property {number} maxSpeed - The maximum speed this body can travel at (taking drag and friction into account)
* @default
*/
this.maxSpeed = 8;
if (sprite)
{
x = sprite.x;
y = sprite.y;
width = sprite.width;
height = sprite.height;
if (sprite.anchor.x === 0)
{
x += (sprite.width * 0.5);
}
if (sprite.anchor.y === 0)
{
y += (sprite.height * 0.5);
}
}
if (type === 1)
{
this.aabb = new Phaser.Physics.Ninja.AABB(this, x, y, width, height);
this.shape = this.aabb;
}
else if (type === 2)
{
this.circle = new Phaser.Physics.Ninja.Circle(this, x, y, radius);
this.shape = this.circle;
}
else if (type === 3)
{
this.tile = new Phaser.Physics.Ninja.Tile(this, x, y, width, height, id);
this.shape = this.tile;
}
};
Phaser.Physics.Ninja.Body.prototype = {
/**
* Internal method.
*
* @method Phaser.Physics.Ninja.Body#preUpdate
* @protected
*/
preUpdate: function () {
// Store and reset collision flags
this.wasTouching.none = this.touching.none;
this.wasTouching.up = this.touching.up;
this.wasTouching.down = this.touching.down;
this.wasTouching.left = this.touching.left;
this.wasTouching.right = this.touching.right;
this.touching.none = true;
this.touching.up = false;
this.touching.down = false;
this.touching.left = false;
this.touching.right = false;
this.shape.integrate();
if (this.collideWorldBounds)
{
this.shape.collideWorldBounds();
}
},
/**
* Internal method.
*
* @method Phaser.Physics.Ninja.Body#postUpdate
* @protected
*/
postUpdate: function () {
if (this.sprite)
{
if (this.sprite.type === Phaser.TILESPRITE)
{
// TileSprites don't use their anchor property, so we need to adjust the coordinates
this.sprite.x = this.shape.pos.x - this.shape.xw;
this.sprite.y = this.shape.pos.y - this.shape.yw;
}
else
{
this.sprite.x = this.shape.pos.x;
this.sprite.y = this.shape.pos.y;
}
}
if (this.velocity.x < 0)
{
this.facing = Phaser.LEFT;
}
else if (this.velocity.x > 0)
{
this.facing = Phaser.RIGHT;
}
if (this.velocity.y < 0)
{
this.facing = Phaser.UP;
}
else if (this.velocity.y > 0)
{
this.facing = Phaser.DOWN;
}
},
/**
* Stops all movement of this body.
*
* @method Phaser.Physics.Ninja.Body#setZeroVelocity
*/
setZeroVelocity: function () {
this.shape.oldpos.x = this.shape.pos.x;
this.shape.oldpos.y = this.shape.pos.y;
},
/**
* Moves the Body forwards based on its current angle and the given speed.
* The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).
*
* @method Phaser.Physics.Body#moveTo
* @param {number} speed - The speed at which it should move forwards.
* @param {number} angle - The angle in which it should move, given in degrees.
*/
moveTo: function (speed, angle) {
var magnitude = speed * this.game.time.physicsElapsed;
var angle = this.game.math.degToRad(angle);
this.shape.pos.x = this.shape.oldpos.x + (magnitude * Math.cos(angle));
this.shape.pos.y = this.shape.oldpos.y + (magnitude * Math.sin(angle));
},
/**
* Moves the Body backwards based on its current angle and the given speed.
* The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).
*
* @method Phaser.Physics.Body#moveBackward
* @param {number} speed - The speed at which it should move backwards.
* @param {number} angle - The angle in which it should move, given in degrees.
*/
moveFrom: function (speed, angle) {
var magnitude = -speed * this.game.time.physicsElapsed;
var angle = this.game.math.degToRad(angle);
this.shape.pos.x = this.shape.oldpos.x + (magnitude * Math.cos(angle));
this.shape.pos.y = this.shape.oldpos.y + (magnitude * Math.sin(angle));
},
/**
* If this Body is dynamic then this will move it to the left by setting its x velocity to the given speed.
* The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).
*
* @method Phaser.Physics.Body#moveLeft
* @param {number} speed - The speed at which it should move to the left, in pixels per second.
*/
moveLeft: function (speed) {
var fx = -speed * this.game.time.physicsElapsed;
this.shape.pos.x = this.shape.oldpos.x + Math.min(this.maxSpeed, Math.max(-this.maxSpeed, this.shape.pos.x - this.shape.oldpos.x + fx));
},
/**
* If this Body is dynamic then this will move it to the right by setting its x velocity to the given speed.
* The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).
*
* @method Phaser.Physics.Body#moveRight
* @param {number} speed - The speed at which it should move to the right, in pixels per second.
*/
moveRight: function (speed) {
var fx = speed * this.game.time.physicsElapsed;
this.shape.pos.x = this.shape.oldpos.x + Math.min(this.maxSpeed, Math.max(-this.maxSpeed, this.shape.pos.x - this.shape.oldpos.x + fx));
},
/**
* If this Body is dynamic then this will move it up by setting its y velocity to the given speed.
* The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).
*
* @method Phaser.Physics.Body#moveUp
* @param {number} speed - The speed at which it should move up, in pixels per second.
*/
moveUp: function (speed) {
var fx = -speed * this.game.time.physicsElapsed;
this.shape.pos.y = this.shape.oldpos.y + Math.min(this.maxSpeed, Math.max(-this.maxSpeed, this.shape.pos.y - this.shape.oldpos.y + fx));
},
/**
* If this Body is dynamic then this will move it down by setting its y velocity to the given speed.
* The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).
*
* @method Phaser.Physics.Body#moveDown
* @param {number} speed - The speed at which it should move down, in pixels per second.
*/
moveDown: function (speed) {
var fx = speed * this.game.time.physicsElapsed;
this.shape.pos.y = this.shape.oldpos.y + Math.min(this.maxSpeed, Math.max(-this.maxSpeed, this.shape.pos.y - this.shape.oldpos.y + fx));
},
/**
* Resets all Body values and repositions on the Sprite.
*
* @method Phaser.Physics.Ninja.Body#reset
*/
reset: function () {
this.velocity.set(0);
this.shape.pos.x = this.sprite.x;
this.shape.pos.y = this.sprite.y;
this.shape.oldpos.copyFrom(this.shape.pos);
},
/**
* Returns the absolute delta x value.
*
* @method Phaser.Physics.Ninja.Body#deltaAbsX
* @return {number} The absolute delta value.
*/
deltaAbsX: function () {
return (this.deltaX() > 0 ? this.deltaX() : -this.deltaX());
},
/**
* Returns the absolute delta y value.
*
* @method Phaser.Physics.Ninja.Body#deltaAbsY
* @return {number} The absolute delta value.
*/
deltaAbsY: function () {
return (this.deltaY() > 0 ? this.deltaY() : -this.deltaY());
},
/**
* Returns the delta x value. The difference between Body.x now and in the previous step.
*
* @method Phaser.Physics.Ninja.Body#deltaX
* @return {number} The delta value. Positive if the motion was to the right, negative if to the left.
*/
deltaX: function () {
return this.shape.pos.x - this.shape.oldpos.x;
},
/**
* Returns the delta y value. The difference between Body.y now and in the previous step.
*
* @method Phaser.Physics.Ninja.Body#deltaY
* @return {number} The delta value. Positive if the motion was downwards, negative if upwards.
*/
deltaY: function () {
return this.shape.pos.y - this.shape.oldpos.y;
},
/**
* Destroys this body's reference to the sprite and system, and destroys its shape.
*
* @method Phaser.Physics.Ninja.Body#destroy
*/
destroy: function() {
this.sprite = null;
this.system = null;
this.aabb = null;
this.tile = null;
this.circle = null;
this.shape.destroy();
this.shape = null;
}
};
/**
* @name Phaser.Physics.Ninja.Body#x
* @property {number} x - The x position.
*/
Object.defineProperty(Phaser.Physics.Ninja.Body.prototype, "x", {
get: function () {
return this.shape.pos.x;
},
set: function (value) {
this.shape.pos.x = value;
}
});
/**
* @name Phaser.Physics.Ninja.Body#y
* @property {number} y - The y position.
*/
Object.defineProperty(Phaser.Physics.Ninja.Body.prototype, "y", {
get: function () {
return this.shape.pos.y;
},
set: function (value) {
this.shape.pos.y = value;
}
});
/**
* @name Phaser.Physics.Ninja.Body#width
* @property {number} width - The width of this Body
* @readonly
*/
Object.defineProperty(Phaser.Physics.Ninja.Body.prototype, "width", {
get: function () {
return this.shape.width;
}
});
/**
* @name Phaser.Physics.Ninja.Body#height
* @property {number} height - The height of this Body
* @readonly
*/
Object.defineProperty(Phaser.Physics.Ninja.Body.prototype, "height", {
get: function () {
return this.shape.height;
}
});
/**
* @name Phaser.Physics.Ninja.Body#bottom
* @property {number} bottom - The bottom value of this Body (same as Body.y + Body.height)
* @readonly
*/
Object.defineProperty(Phaser.Physics.Ninja.Body.prototype, "bottom", {
get: function () {
return this.shape.pos.y + this.shape.yw;
}
});
/**
* @name Phaser.Physics.Ninja.Body#right
* @property {number} right - The right value of this Body (same as Body.x + Body.width)
* @readonly
*/
Object.defineProperty(Phaser.Physics.Ninja.Body.prototype, "right", {
get: function () {
return this.shape.pos.x + this.shape.xw;
}
});
/**
* @name Phaser.Physics.Ninja.Body#speed
* @property {number} speed - The speed of this Body
* @readonly
*/
Object.defineProperty(Phaser.Physics.Ninja.Body.prototype, "speed", {
get: function () {
return Math.sqrt(this.shape.velocity.x * this.shape.velocity.x + this.shape.velocity.y * this.shape.velocity.y);
}
});
/**
* @name Phaser.Physics.Ninja.Body#angle
* @property {number} angle - The angle of this Body
* @readonly
*/
Object.defineProperty(Phaser.Physics.Ninja.Body.prototype, "angle", {
get: function () {
return Math.atan2(this.shape.velocity.y, this.shape.velocity.x);
}
});

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/* jshint camelcase: false */
/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Ninja Physics Tile constructor.
* A Tile is defined by its width, height and type. It's type can include slope data, such as 45 degree slopes, or convex slopes.
* Understand that for any type including a slope (types 2 to 29) the Tile must be SQUARE, i.e. have an equal width and height.
* Also note that as Tiles are primarily used for levels they have gravity disabled and world bounds collision disabled by default.
*
* Note: This class could be massively optimised and reduced in size. I leave that challenge up to you.
*
* @class Phaser.Physics.Ninja.Tile
* @classdesc The Ninja Physics Tile class. Based on code by Metanet Software.
* @constructor
* @param {Phaser.Physics.Ninja.Body} body - The body that owns this shape.
* @param {number} x - The x coordinate to create this shape at.
* @param {number} y - The y coordinate to create this shape at.
* @param {number} width - The width of this AABB.
* @param {number} height - The height of this AABB.
* @param {number} [type=1] - The type of Ninja shape to create. 1 = AABB, 2 = Circle or 3 = Tile.
*/
Phaser.Physics.Ninja.Tile = function (body, x, y, width, height, type) {
if (typeof type === 'undefined') { type = Phaser.Physics.Ninja.Tile.EMPTY; }
/**
* @property {Phaser.Physics.Ninja.Body} system - A reference to the body that owns this shape.
*/
this.body = body;
/**
* @property {Phaser.Physics.Ninja} system - A reference to the physics system.
*/
this.system = body.system;
/**
* @property {number} id - The ID of this Tile.
* @readonly
*/
this.id = type;
/**
* @property {number} type - The type of this Tile.
* @readonly
*/
this.type = Phaser.Physics.Ninja.Tile.TYPE_EMPTY;
/**
* @property {Phaser.Point} pos - The position of this object.
*/
this.pos = new Phaser.Point(x, y);
/**
* @property {Phaser.Point} oldpos - The position of this object in the previous update.
*/
this.oldpos = new Phaser.Point(x, y);
if (this.id > 1 && this.id < 30)
{
// Tile Types 2 to 29 require square tile dimensions, so use the width as the base
height = width;
}
/**
* @property {number} xw - Half the width.
* @readonly
*/
this.xw = Math.abs(width / 2);
/**
* @property {number} xw - Half the height.
* @readonly
*/
this.yw = Math.abs(height / 2);
/**
* @property {number} width - The width.
* @readonly
*/
this.width = width;
/**
* @property {number} height - The height.
* @readonly
*/
this.height = height;
/**
* @property {Phaser.Point} velocity - The velocity of this object.
*/
this.velocity = new Phaser.Point();
/**
* @property {number} signx - Internal var.
* @private
*/
this.signx = 0;
/**
* @property {number} signy - Internal var.
* @private
*/
this.signy = 0;
/**
* @property {number} sx - Internal var.
* @private
*/
this.sx = 0;
/**
* @property {number} sy - Internal var.
* @private
*/
this.sy = 0;
// By default Tiles disable gravity and world bounds collision
this.body.gravityScale = 0;
this.body.collideWorldBounds = false;
if (this.id > 0)
{
this.setType(this.id);
}
};
Phaser.Physics.Ninja.Tile.prototype.constructor = Phaser.Physics.Ninja.Tile;
Phaser.Physics.Ninja.Tile.prototype = {
/**
* Updates this objects position.
*
* @method Phaser.Physics.Ninja.Tile#integrate
*/
integrate: function () {
var px = this.pos.x;
var py = this.pos.y;
this.pos.x += (this.body.drag * this.pos.x) - (this.body.drag * this.oldpos.x);
this.pos.y += (this.body.drag * this.pos.y) - (this.body.drag * this.oldpos.y) + (this.system.gravity * this.body.gravityScale);
this.velocity.set(this.pos.x - px, this.pos.y - py);
this.oldpos.set(px, py);
},
/**
* Tiles cannot collide with the world bounds, it's up to you to keep them where you want them. But we need this API stub to satisfy the Body.
*
* @method Phaser.Physics.Ninja.Tile#collideWorldBounds
*/
collideWorldBounds: function () {
var dx = this.system.bounds.x - (this.pos.x - this.xw);
if (0 < dx)
{
this.reportCollisionVsWorld(dx, 0, 1, 0, null);
}
else
{
dx = (this.pos.x + this.xw) - this.system.bounds.right;
if (0 < dx)
{
this.reportCollisionVsWorld(-dx, 0, -1, 0, null);
}
}
var dy = this.system.bounds.y - (this.pos.y - this.yw);
if (0 < dy)
{
this.reportCollisionVsWorld(0, dy, 0, 1, null);
}
else
{
dy = (this.pos.y + this.yw) - this.system.bounds.bottom;
if (0 < dy)
{
this.reportCollisionVsWorld(0, -dy, 0, -1, null);
}
}
},
/**
* Process a world collision and apply the resulting forces.
*
* @method Phaser.Physics.Ninja.Tile#reportCollisionVsWorld
* @param {number} px - The tangent velocity
* @param {number} py - The tangent velocity
* @param {number} dx - Collision normal
* @param {number} dy - Collision normal
* @param {number} obj - Object this Tile collided with
*/
reportCollisionVsWorld: function (px, py, dx, dy) {
var p = this.pos;
var o = this.oldpos;
// Calc velocity
var vx = p.x - o.x;
var vy = p.y - o.y;
// Find component of velocity parallel to collision normal
var dp = (vx * dx + vy * dy);
var nx = dp * dx; //project velocity onto collision normal
var ny = dp * dy; //nx,ny is normal velocity
var tx = vx - nx; //px,py is tangent velocity
var ty = vy - ny;
// We only want to apply collision response forces if the object is travelling into, and not out of, the collision
var b, bx, by, fx, fy;
if (dp < 0)
{
fx = tx * this.body.friction;
fy = ty * this.body.friction;
b = 1 + this.body.bounce;
bx = (nx * b);
by = (ny * b);
if (dx === 1)
{
this.body.touching.left = true;
}
else if (dx === -1)
{
this.body.touching.right = true;
}
if (dy === 1)
{
this.body.touching.up = true;
}
else if (dy === -1)
{
this.body.touching.down = true;
}
}
else
{
// Moving out of collision, do not apply forces
bx = by = fx = fy = 0;
}
// Project object out of collision
p.x += px;
p.y += py;
// Apply bounce+friction impulses which alter velocity
o.x += px + bx + fx;
o.y += py + by + fy;
},
/**
* Tiles cannot collide with the world bounds, it's up to you to keep them where you want them. But we need this API stub to satisfy the Body.
*
* @method Phaser.Physics.Ninja.Tile#setType
* @param {number} id - The type of Tile this will use, i.e. Phaser.Physics.Ninja.Tile.SLOPE_45DEGpn, Phaser.Physics.Ninja.Tile.CONVEXpp, etc.
*/
setType: function (id) {
if (id === Phaser.Physics.Ninja.Tile.EMPTY)
{
this.clear();
}
else
{
this.id = id;
this.updateType();
}
return this;
},
/**
* Sets this tile to be empty.
*
* @method Phaser.Physics.Ninja.Tile#clear
*/
clear: function () {
this.id = Phaser.Physics.Ninja.Tile.EMPTY;
this.updateType();
},
/**
* Destroys this Tiles reference to Body and System.
*
* @method Phaser.Physics.Ninja.Tile#destroy
*/
destroy: function () {
this.body = null;
this.system = null;
},
/**
* This converts a tile from implicitly-defined (via id), to explicit (via properties).
* Don't call directly, instead of setType.
*
* @method Phaser.Physics.Ninja.Tile#updateType
* @private
*/
updateType: function () {
if (this.id === 0)
{
//EMPTY
this.type = Phaser.Physics.Ninja.Tile.TYPE_EMPTY;
this.signx = 0;
this.signy = 0;
this.sx = 0;
this.sy = 0;
return true;
}
//tile is non-empty; collide
if (this.id < Phaser.Physics.Ninja.Tile.TYPE_45DEG)
{
//FULL
this.type = Phaser.Physics.Ninja.Tile.TYPE_FULL;
this.signx = 0;
this.signy = 0;
this.sx = 0;
this.sy = 0;
}
else if (this.id < Phaser.Physics.Ninja.Tile.TYPE_CONCAVE)
{
// 45deg
this.type = Phaser.Physics.Ninja.Tile.TYPE_45DEG;
if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_45DEGpn)
{
this.signx = 1;
this.signy = -1;
this.sx = this.signx / Math.SQRT2;//get slope _unit_ normal
this.sy = this.signy / Math.SQRT2;//since normal is (1,-1), length is sqrt(1*1 + -1*-1) = sqrt(2)
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_45DEGnn)
{
this.signx = -1;
this.signy = -1;
this.sx = this.signx / Math.SQRT2;//get slope _unit_ normal
this.sy = this.signy / Math.SQRT2;//since normal is (1,-1), length is sqrt(1*1 + -1*-1) = sqrt(2)
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_45DEGnp)
{
this.signx = -1;
this.signy = 1;
this.sx = this.signx / Math.SQRT2;//get slope _unit_ normal
this.sy = this.signy / Math.SQRT2;//since normal is (1,-1), length is sqrt(1*1 + -1*-1) = sqrt(2)
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_45DEGpp)
{
this.signx = 1;
this.signy = 1;
this.sx = this.signx / Math.SQRT2;//get slope _unit_ normal
this.sy = this.signy / Math.SQRT2;//since normal is (1,-1), length is sqrt(1*1 + -1*-1) = sqrt(2)
}
else
{
return false;
}
}
else if (this.id < Phaser.Physics.Ninja.Tile.TYPE_CONVEX)
{
// Concave
this.type = Phaser.Physics.Ninja.Tile.TYPE_CONCAVE;
if (this.id == Phaser.Physics.Ninja.Tile.CONCAVEpn)
{
this.signx = 1;
this.signy = -1;
this.sx = 0;
this.sy = 0;
}
else if (this.id == Phaser.Physics.Ninja.Tile.CONCAVEnn)
{
this.signx = -1;
this.signy = -1;
this.sx = 0;
this.sy = 0;
}
else if (this.id == Phaser.Physics.Ninja.Tile.CONCAVEnp)
{
this.signx = -1;
this.signy = 1;
this.sx = 0;
this.sy = 0;
}
else if (this.id == Phaser.Physics.Ninja.Tile.CONCAVEpp)
{
this.signx = 1;
this.signy = 1;
this.sx = 0;
this.sy = 0;
}
else
{
return false;
}
}
else if (this.id < Phaser.Physics.Ninja.Tile.TYPE_22DEGs)
{
// Convex
this.type = Phaser.Physics.Ninja.Tile.TYPE_CONVEX;
if (this.id == Phaser.Physics.Ninja.Tile.CONVEXpn)
{
this.signx = 1;
this.signy = -1;
this.sx = 0;
this.sy = 0;
}
else if (this.id == Phaser.Physics.Ninja.Tile.CONVEXnn)
{
this.signx = -1;
this.signy = -1;
this.sx = 0;
this.sy = 0;
}
else if (this.id == Phaser.Physics.Ninja.Tile.CONVEXnp)
{
this.signx = -1;
this.signy = 1;
this.sx = 0;
this.sy = 0;
}
else if (this.id == Phaser.Physics.Ninja.Tile.CONVEXpp)
{
this.signx = 1;
this.signy = 1;
this.sx = 0;
this.sy = 0;
}
else
{
return false;
}
}
else if (this.id < Phaser.Physics.Ninja.Tile.TYPE_22DEGb)
{
// 22deg small
this.type = Phaser.Physics.Ninja.Tile.TYPE_22DEGs;
if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_22DEGpnS)
{
this.signx = 1;
this.signy = -1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 1) / slen;
this.sy = (this.signy * 2) / slen;
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_22DEGnnS)
{
this.signx = -1;
this.signy = -1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 1) / slen;
this.sy = (this.signy * 2) / slen;
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_22DEGnpS)
{
this.signx = -1;
this.signy = 1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 1) / slen;
this.sy = (this.signy * 2) / slen;
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_22DEGppS)
{
this.signx = 1;
this.signy = 1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 1) / slen;
this.sy = (this.signy * 2) / slen;
}
else
{
return false;
}
}
else if (this.id < Phaser.Physics.Ninja.Tile.TYPE_67DEGs)
{
// 22deg big
this.type = Phaser.Physics.Ninja.Tile.TYPE_22DEGb;
if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_22DEGpnB)
{
this.signx = 1;
this.signy = -1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 1) / slen;
this.sy = (this.signy * 2) / slen;
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_22DEGnnB)
{
this.signx = -1;
this.signy = -1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 1) / slen;
this.sy = (this.signy * 2) / slen;
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_22DEGnpB)
{
this.signx = -1;
this.signy = 1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 1) / slen;
this.sy = (this.signy * 2) / slen;
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_22DEGppB)
{
this.signx = 1;
this.signy = 1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 1) / slen;
this.sy = (this.signy * 2) / slen;
}
else
{
return false;
}
}
else if (this.id < Phaser.Physics.Ninja.Tile.TYPE_67DEGb)
{
// 67deg small
this.type = Phaser.Physics.Ninja.Tile.TYPE_67DEGs;
if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_67DEGpnS)
{
this.signx = 1;
this.signy = -1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 2) / slen;
this.sy = (this.signy * 1) / slen;
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_67DEGnnS)
{
this.signx = -1;
this.signy = -1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 2) / slen;
this.sy = (this.signy * 1) / slen;
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_67DEGnpS)
{
this.signx = -1;
this.signy = 1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 2) / slen;
this.sy = (this.signy * 1) / slen;
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_67DEGppS)
{
this.signx = 1;
this.signy = 1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 2) / slen;
this.sy = (this.signy * 1) / slen;
}
else
{
return false;
}
}
else if (this.id < Phaser.Physics.Ninja.Tile.TYPE_HALF)
{
// 67deg big
this.type = Phaser.Physics.Ninja.Tile.TYPE_67DEGb;
if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_67DEGpnB)
{
this.signx = 1;
this.signy = -1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 2) / slen;
this.sy = (this.signy * 1) / slen;
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_67DEGnnB)
{
this.signx = -1;
this.signy = -1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 2) / slen;
this.sy = (this.signy * 1) / slen;
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_67DEGnpB)
{
this.signx = -1;
this.signy = 1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 2) / slen;
this.sy = (this.signy * 1) / slen;
}
else if (this.id == Phaser.Physics.Ninja.Tile.SLOPE_67DEGppB)
{
this.signx = 1;
this.signy = 1;
var slen = Math.sqrt(2 * 2 + 1 * 1);
this.sx = (this.signx * 2) / slen;
this.sy = (this.signy * 1) / slen;
}
else
{
return false;
}
}
else
{
// Half-full tile
this.type = Phaser.Physics.Ninja.Tile.TYPE_HALF;
if (this.id == Phaser.Physics.Ninja.Tile.HALFd)
{
this.signx = 0;
this.signy = -1;
this.sx = this.signx;
this.sy = this.signy;
}
else if (this.id == Phaser.Physics.Ninja.Tile.HALFu)
{
this.signx = 0;
this.signy = 1;
this.sx = this.signx;
this.sy = this.signy;
}
else if (this.id == Phaser.Physics.Ninja.Tile.HALFl)
{
this.signx = 1;
this.signy = 0;
this.sx = this.signx;
this.sy = this.signy;
}
else if (this.id == Phaser.Physics.Ninja.Tile.HALFr)
{
this.signx = -1;
this.signy = 0;
this.sx = this.signx;
this.sy = this.signy;
}
else
{
return false;
}
}
}
};
/**
* @name Phaser.Physics.Ninja.Tile#x
* @property {number} x - The x position.
*/
Object.defineProperty(Phaser.Physics.Ninja.Tile.prototype, "x", {
get: function () {
return this.pos.x - this.xw;
},
set: function (value) {
this.pos.x = value;
}
});
/**
* @name Phaser.Physics.Ninja.Tile#y
* @property {number} y - The y position.
*/
Object.defineProperty(Phaser.Physics.Ninja.Tile.prototype, "y", {
get: function () {
return this.pos.y - this.yw;
},
set: function (value) {
this.pos.y = value;
}
});
/**
* @name Phaser.Physics.Ninja.Tile#bottom
* @property {number} bottom - The bottom value of this Body (same as Body.y + Body.height)
* @readonly
*/
Object.defineProperty(Phaser.Physics.Ninja.Tile.prototype, "bottom", {
get: function () {
return this.pos.y + this.yw;
}
});
/**
* @name Phaser.Physics.Ninja.Tile#right
* @property {number} right - The right value of this Body (same as Body.x + Body.width)
* @readonly
*/
Object.defineProperty(Phaser.Physics.Ninja.Tile.prototype, "right", {
get: function () {
return this.pos.x + this.xw;
}
});
Phaser.Physics.Ninja.Tile.EMPTY = 0;
Phaser.Physics.Ninja.Tile.FULL = 1;//fullAABB tile
Phaser.Physics.Ninja.Tile.SLOPE_45DEGpn = 2;//45-degree triangle, whose normal is (+ve,-ve)
Phaser.Physics.Ninja.Tile.SLOPE_45DEGnn = 3;//(+ve,+ve)
Phaser.Physics.Ninja.Tile.SLOPE_45DEGnp = 4;//(-ve,+ve)
Phaser.Physics.Ninja.Tile.SLOPE_45DEGpp = 5;//(-ve,-ve)
Phaser.Physics.Ninja.Tile.CONCAVEpn = 6;//1/4-circle cutout
Phaser.Physics.Ninja.Tile.CONCAVEnn = 7;
Phaser.Physics.Ninja.Tile.CONCAVEnp = 8;
Phaser.Physics.Ninja.Tile.CONCAVEpp = 9;
Phaser.Physics.Ninja.Tile.CONVEXpn = 10;//1/4/circle
Phaser.Physics.Ninja.Tile.CONVEXnn = 11;
Phaser.Physics.Ninja.Tile.CONVEXnp = 12;
Phaser.Physics.Ninja.Tile.CONVEXpp = 13;
Phaser.Physics.Ninja.Tile.SLOPE_22DEGpnS = 14;//22.5 degree slope
Phaser.Physics.Ninja.Tile.SLOPE_22DEGnnS = 15;
Phaser.Physics.Ninja.Tile.SLOPE_22DEGnpS = 16;
Phaser.Physics.Ninja.Tile.SLOPE_22DEGppS = 17;
Phaser.Physics.Ninja.Tile.SLOPE_22DEGpnB = 18;
Phaser.Physics.Ninja.Tile.SLOPE_22DEGnnB = 19;
Phaser.Physics.Ninja.Tile.SLOPE_22DEGnpB = 20;
Phaser.Physics.Ninja.Tile.SLOPE_22DEGppB = 21;
Phaser.Physics.Ninja.Tile.SLOPE_67DEGpnS = 22;//67.5 degree slope
Phaser.Physics.Ninja.Tile.SLOPE_67DEGnnS = 23;
Phaser.Physics.Ninja.Tile.SLOPE_67DEGnpS = 24;
Phaser.Physics.Ninja.Tile.SLOPE_67DEGppS = 25;
Phaser.Physics.Ninja.Tile.SLOPE_67DEGpnB = 26;
Phaser.Physics.Ninja.Tile.SLOPE_67DEGnnB = 27;
Phaser.Physics.Ninja.Tile.SLOPE_67DEGnpB = 28;
Phaser.Physics.Ninja.Tile.SLOPE_67DEGppB = 29;
Phaser.Physics.Ninja.Tile.HALFd = 30;//half-full tiles
Phaser.Physics.Ninja.Tile.HALFr = 31;
Phaser.Physics.Ninja.Tile.HALFu = 32;
Phaser.Physics.Ninja.Tile.HALFl = 33;
Phaser.Physics.Ninja.Tile.TYPE_EMPTY = 0;
Phaser.Physics.Ninja.Tile.TYPE_FULL = 1;
Phaser.Physics.Ninja.Tile.TYPE_45DEG = 2;
Phaser.Physics.Ninja.Tile.TYPE_CONCAVE = 6;
Phaser.Physics.Ninja.Tile.TYPE_CONVEX = 10;
Phaser.Physics.Ninja.Tile.TYPE_22DEGs = 14;
Phaser.Physics.Ninja.Tile.TYPE_22DEGb = 18;
Phaser.Physics.Ninja.Tile.TYPE_67DEGs = 22;
Phaser.Physics.Ninja.Tile.TYPE_67DEGb = 26;
Phaser.Physics.Ninja.Tile.TYPE_HALF = 30;

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src/physics/ninja/World.js Normal file
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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Ninja Physics. The Ninja Physics system was created in Flash by Metanet Software and ported to JavaScript by Richard Davey.
*
* It allows for AABB and Circle to Tile collision. Tiles can be any of 34 different types, including slopes, convex and concave shapes.
*
* It does what it does very well, but is ripe for expansion and optimisation. Here are some features that I'd love to see the community add:
*
* * AABB to AABB collision
* * AABB to Circle collision
* * AABB and Circle 'immovable' property support
* * n-way collision, so an AABB/Circle could pass through a tile from below and land upon it.
* * QuadTree or spatial grid for faster Body vs. Tile Group look-ups.
* * Optimise the internal vector math and reduce the quantity of temporary vars created.
* * Expand Gravity and Bounce to allow for separate x/y axis values.
* * Support Bodies linked to Sprites that don't have anchor set to 0.5
*
* Feel free to attempt any of the above and submit a Pull Request with your code! Be sure to include test cases proving they work.
*
* @class Phaser.Physics.Ninja
* @classdesc Ninja Physics Constructor
* @constructor
* @param {Phaser.Game} game reference to the current game instance.
*/
Phaser.Physics.Ninja = function (game) {
/**
* @property {Phaser.Game} game - Local reference to game.
*/
this.game = game;
/**
* @property {Phaser.Time} time - Local reference to game.time.
*/
this.time = this.game.time;
/**
* @property {number} gravity - The World gravity setting.
*/
this.gravity = 0.2;
/**
* @property {Phaser.Rectangle} bounds - The bounds inside of which the physics world exists. Defaults to match the world bounds.
*/
this.bounds = new Phaser.Rectangle(0, 0, game.world.width, game.world.height);
/**
* @property {number} maxObjects - Used by the QuadTree to set the maximum number of objects per quad.
*/
this.maxObjects = 10;
/**
* @property {number} maxLevels - Used by the QuadTree to set the maximum number of iteration levels.
*/
this.maxLevels = 4;
/**
* @property {Phaser.QuadTree} quadTree - The world QuadTree.
*/
this.quadTree = new Phaser.QuadTree(this.game.world.bounds.x, this.game.world.bounds.y, this.game.world.bounds.width, this.game.world.bounds.height, this.maxObjects, this.maxLevels);
};
Phaser.Physics.Ninja.prototype.constructor = Phaser.Physics.Ninja;
Phaser.Physics.Ninja.prototype = {
/**
* This will create a Ninja Physics AABB body on the given game object. Its dimensions will match the width and height of the object at the point it is created.
* A game object can only have 1 physics body active at any one time, and it can't be changed until the object is destroyed.
*
* @method Phaser.Physics.Ninja#enableAABB
* @param {object|array|Phaser.Group} object - The game object to create the physics body on. Can also be an array or Group of objects, a body will be created on every child that has a `body` property.
* @param {boolean} [children=true] - Should a body be created on all children of this object? If true it will recurse down the display list as far as it can go.
*/
enableAABB: function (object, children) {
this.enable(object, 1, 0, 0, children);
},
/**
* This will create a Ninja Physics Circle body on the given game object.
* A game object can only have 1 physics body active at any one time, and it can't be changed until the object is destroyed.
*
* @method Phaser.Physics.Ninja#enableCircle
* @param {object|array|Phaser.Group} object - The game object to create the physics body on. Can also be an array or Group of objects, a body will be created on every child that has a `body` property.
* @param {number} radius - The radius of the Circle.
* @param {boolean} [children=true] - Should a body be created on all children of this object? If true it will recurse down the display list as far as it can go.
*/
enableCircle: function (object, radius, children) {
this.enable(object, 2, 0, radius, children);
},
/**
* This will create a Ninja Physics Tile body on the given game object. There are 34 different types of tile you can create, including 45 degree slopes,
* convex and concave circles and more. The id parameter controls which Tile type is created, but you can also change it at run-time.
* Note that for all degree based tile types they need to have an equal width and height. If the given object doesn't have equal width and height it will use the width.
* A game object can only have 1 physics body active at any one time, and it can't be changed until the object is destroyed.
*
* @method Phaser.Physics.Ninja#enableTile
* @param {object|array|Phaser.Group} object - The game object to create the physics body on. Can also be an array or Group of objects, a body will be created on every child that has a `body` property.
* @param {number} [id=1] - The type of Tile this will use, i.e. Phaser.Physics.Ninja.Tile.SLOPE_45DEGpn, Phaser.Physics.Ninja.Tile.CONVEXpp, etc.
* @param {boolean} [children=true] - Should a body be created on all children of this object? If true it will recurse down the display list as far as it can go.
*/
enableTile: function (object, id, children) {
this.enable(object, 3, id, 0, children);
},
/**
* This will create a Ninja Physics body on the given game object or array of game objects.
* A game object can only have 1 physics body active at any one time, and it can't be changed until the object is destroyed.
*
* @method Phaser.Physics.Ninja#enable
* @param {object|array|Phaser.Group} object - The game object to create the physics body on. Can also be an array or Group of objects, a body will be created on every child that has a `body` property.
* @param {number} [type=1] - The type of Ninja shape to create. 1 = AABB, 2 = Circle or 3 = Tile.
* @param {number} [id=1] - If this body is using a Tile shape, you can set the Tile id here, i.e. Phaser.Physics.Ninja.Tile.SLOPE_45DEGpn, Phaser.Physics.Ninja.Tile.CONVEXpp, etc.
* @param {number} [radius=0] - If this body is using a Circle shape this controls the radius.
* @param {boolean} [children=true] - Should a body be created on all children of this object? If true it will recurse down the display list as far as it can go.
*/
enable: function (object, type, id, radius, children) {
if (typeof type === 'undefined') { type = 1; }
if (typeof id === 'undefined') { id = 1; }
if (typeof radius === 'undefined') { radius = 0; }
if (typeof children === 'undefined') { children = true; }
if (Array.isArray(object))
{
var i = object.length;
while (i--)
{
if (object[i] instanceof Phaser.Group)
{
// If it's a Group then we do it on the children regardless
this.enable(object[i].children, type, id, radius, children);
}
else
{
this.enableBody(object[i], type, id, radius);
if (children && object[i].hasOwnProperty('children') && object[i].children.length > 0)
{
this.enable(object[i], type, id, radius, true);
}
}
}
}
else
{
if (object instanceof Phaser.Group)
{
// If it's a Group then we do it on the children regardless
this.enable(object.children, type, id, radius, children);
}
else
{
this.enableBody(object, type, id, radius);
if (children && object.hasOwnProperty('children') && object.children.length > 0)
{
this.enable(object.children, type, id, radius, true);
}
}
}
},
/**
* Creates a Ninja Physics body on the given game object.
* A game object can only have 1 physics body active at any one time, and it can't be changed until the body is nulled.
*
* @method Phaser.Physics.Ninja#enableBody
* @param {object} object - The game object to create the physics body on. A body will only be created if this object has a null `body` property.
*/
enableBody: function (object, type, id, radius) {
if (object.hasOwnProperty('body') && object.body === null)
{
object.body = new Phaser.Physics.Ninja.Body(this, object, type, id, radius);
object.anchor.set(0.5);
}
},
/**
* Updates the size of this physics world.
*
* @method Phaser.Physics.Ninja#setBounds
* @param {number} x - Top left most corner of the world.
* @param {number} y - Top left most corner of the world.
* @param {number} width - New width of the world. Can never be smaller than the Game.width.
* @param {number} height - New height of the world. Can never be smaller than the Game.height.
*/
setBounds: function (x, y, width, height) {
this.bounds.setTo(x, y, width, height);
},
/**
* Updates the size of this physics world to match the size of the game world.
*
* @method Phaser.Physics.Ninja#setBoundsToWorld
*/
setBoundsToWorld: function () {
this.bounds.setTo(this.game.world.bounds.x, this.game.world.bounds.y, this.game.world.bounds.width, this.game.world.bounds.height);
},
/**
* Clears all physics bodies from the given TilemapLayer that were created with `World.convertTilemap`.
*
* @method Phaser.Physics.Ninja#clearTilemapLayerBodies
* @param {Phaser.Tilemap} map - The Tilemap to get the map data from.
* @param {number|string|Phaser.TilemapLayer} [layer] - The layer to operate on. If not given will default to map.currentLayer.
*/
clearTilemapLayerBodies: function (map, layer) {
layer = map.getLayer(layer);
var i = map.layers[layer].bodies.length;
while (i--)
{
map.layers[layer].bodies[i].destroy();
}
map.layers[layer].bodies.length = [];
},
/**
* Goes through all tiles in the given Tilemap and TilemapLayer and converts those set to collide into physics tiles.
* Only call this *after* you have specified all of the tiles you wish to collide with calls like Tilemap.setCollisionBetween, etc.
* Every time you call this method it will destroy any previously created bodies and remove them from the world.
* Therefore understand it's a very expensive operation and not to be done in a core game update loop.
*
* In Ninja the Tiles have an ID from 0 to 33, where 0 is 'empty', 1 is a full tile, 2 is a 45-degree slope, etc. You can find the ID
* list either at the very bottom of `Tile.js`, or in a handy visual reference in the `resources/Ninja Physics Debug Tiles` folder in the repository.
* The slopeMap parameter is an array that controls how the indexes of the tiles in your tilemap data will map to the Ninja Tile IDs.
* For example if you had 6 tiles in your tileset: Imagine the first 4 should be converted into fully solid Tiles and the other 2 are 45-degree slopes.
* Your slopeMap array would look like this: `[ 1, 1, 1, 1, 2, 3 ]`.
* Where each element of the array is a tile in your tilemap and the resulting Ninja Tile it should create.
*
* @method Phaser.Physics.Ninja#convertTilemap
* @param {Phaser.Tilemap} map - The Tilemap to get the map data from.
* @param {number|string|Phaser.TilemapLayer} [layer] - The layer to operate on. If not given will default to map.currentLayer.
* @param {object} [slopeMap] - The tilemap index to Tile ID map.
* @return {array} An array of the Phaser.Physics.Ninja.Tile objects that were created.
*/
convertTilemap: function (map, layer, slopeMap) {
layer = map.getLayer(layer);
// If the bodies array is already populated we need to nuke it
this.clearTilemapLayerBodies(map, layer);
for (var y = 0, h = map.layers[layer].height; y < h; y++)
{
for (var x = 0, w = map.layers[layer].width; x < w; x++)
{
var tile = map.layers[layer].data[y][x];
if (tile && slopeMap.hasOwnProperty(tile.index))
{
var body = new Phaser.Physics.Ninja.Body(this, null, 3, slopeMap[tile.index], 0, tile.worldX + tile.centerX, tile.worldY + tile.centerY, tile.width, tile.height);
map.layers[layer].bodies.push(body);
}
}
}
return map.layers[layer].bodies;
},
/**
* Checks for overlaps between two game objects. The objects can be Sprites, Groups or Emitters.
* You can perform Sprite vs. Sprite, Sprite vs. Group and Group vs. Group overlap checks.
* Unlike collide the objects are NOT automatically separated or have any physics applied, they merely test for overlap results.
* The second parameter can be an array of objects, of differing types.
*
* @method Phaser.Physics.Ninja#overlap
* @param {Phaser.Sprite|Phaser.Group|Phaser.Particles.Emitter} object1 - The first object to check. Can be an instance of Phaser.Sprite, Phaser.Group or Phaser.Particles.Emitter.
* @param {Phaser.Sprite|Phaser.Group|Phaser.Particles.Emitter|array} object2 - The second object or array of objects to check. Can be Phaser.Sprite, Phaser.Group or Phaser.Particles.Emitter.
* @param {function} [overlapCallback=null] - An optional callback function that is called if the objects overlap. The two objects will be passed to this function in the same order in which you specified them.
* @param {function} [processCallback=null] - A callback function that lets you perform additional checks against the two objects if they overlap. If this is set then overlapCallback will only be called if processCallback returns true.
* @param {object} [callbackContext] - The context in which to run the callbacks.
* @returns {boolean} True if an overlap occured otherwise false.
*/
overlap: function (object1, object2, overlapCallback, processCallback, callbackContext) {
overlapCallback = overlapCallback || null;
processCallback = processCallback || null;
callbackContext = callbackContext || overlapCallback;
this._result = false;
this._total = 0;
if (Array.isArray(object2))
{
for (var i = 0, len = object2.length; i < len; i++)
{
this.collideHandler(object1, object2[i], overlapCallback, processCallback, callbackContext, true);
}
}
else
{
this.collideHandler(object1, object2, overlapCallback, processCallback, callbackContext, true);
}
return (this._total > 0);
},
/**
* Checks for collision between two game objects. You can perform Sprite vs. Sprite, Sprite vs. Group, Group vs. Group, Sprite vs. Tilemap Layer or Group vs. Tilemap Layer collisions.
* The second parameter can be an array of objects, of differing types.
* The objects are also automatically separated. If you don't require separation then use ArcadePhysics.overlap instead.
* An optional processCallback can be provided. If given this function will be called when two sprites are found to be colliding. It is called before any separation takes place,
* giving you the chance to perform additional checks. If the function returns true then the collision and separation is carried out. If it returns false it is skipped.
* The collideCallback is an optional function that is only called if two sprites collide. If a processCallback has been set then it needs to return true for collideCallback to be called.
*
* @method Phaser.Physics.Ninja#collide
* @param {Phaser.Sprite|Phaser.Group|Phaser.Particles.Emitter|Phaser.Tilemap} object1 - The first object to check. Can be an instance of Phaser.Sprite, Phaser.Group, Phaser.Particles.Emitter, or Phaser.Tilemap.
* @param {Phaser.Sprite|Phaser.Group|Phaser.Particles.Emitter|Phaser.Tilemap|array} object2 - The second object or array of objects to check. Can be Phaser.Sprite, Phaser.Group, Phaser.Particles.Emitter or Phaser.Tilemap.
* @param {function} [collideCallback=null] - An optional callback function that is called if the objects collide. The two objects will be passed to this function in the same order in which you specified them.
* @param {function} [processCallback=null] - A callback function that lets you perform additional checks against the two objects if they overlap. If this is set then collision will only happen if processCallback returns true. The two objects will be passed to this function in the same order in which you specified them.
* @param {object} [callbackContext] - The context in which to run the callbacks.
* @returns {boolean} True if a collision occured otherwise false.
*/
collide: function (object1, object2, collideCallback, processCallback, callbackContext) {
collideCallback = collideCallback || null;
processCallback = processCallback || null;
callbackContext = callbackContext || collideCallback;
this._result = false;
this._total = 0;
if (Array.isArray(object2))
{
for (var i = 0, len = object2.length; i < len; i++)
{
this.collideHandler(object1, object2[i], collideCallback, processCallback, callbackContext, false);
}
}
else
{
this.collideHandler(object1, object2, collideCallback, processCallback, callbackContext, false);
}
return (this._total > 0);
},
/**
* Internal collision handler.
*
* @method Phaser.Physics.Ninja#collideHandler
* @private
* @param {Phaser.Sprite|Phaser.Group|Phaser.Particles.Emitter|Phaser.Tilemap} object1 - The first object to check. Can be an instance of Phaser.Sprite, Phaser.Group, Phaser.Particles.Emitter, or Phaser.Tilemap.
* @param {Phaser.Sprite|Phaser.Group|Phaser.Particles.Emitter|Phaser.Tilemap} object2 - The second object to check. Can be an instance of Phaser.Sprite, Phaser.Group, Phaser.Particles.Emitter or Phaser.Tilemap. Can also be an array of objects to check.
* @param {function} collideCallback - An optional callback function that is called if the objects collide. The two objects will be passed to this function in the same order in which you specified them.
* @param {function} processCallback - A callback function that lets you perform additional checks against the two objects if they overlap. If this is set then collision will only happen if processCallback returns true. The two objects will be passed to this function in the same order in which you specified them.
* @param {object} callbackContext - The context in which to run the callbacks.
* @param {boolean} overlapOnly - Just run an overlap or a full collision.
*/
collideHandler: function (object1, object2, collideCallback, processCallback, callbackContext, overlapOnly) {
// Only collide valid objects
if (typeof object2 === 'undefined' && (object1.type === Phaser.GROUP || object1.type === Phaser.EMITTER))
{
this.collideGroupVsSelf(object1, collideCallback, processCallback, callbackContext, overlapOnly);
return;
}
if (object1 && object2 && object1.exists && object2.exists)
{
// SPRITES
if (object1.type == Phaser.SPRITE || object1.type == Phaser.TILESPRITE)
{
if (object2.type == Phaser.SPRITE || object2.type == Phaser.TILESPRITE)
{
this.collideSpriteVsSprite(object1, object2, collideCallback, processCallback, callbackContext, overlapOnly);
}
else if (object2.type == Phaser.GROUP || object2.type == Phaser.EMITTER)
{
this.collideSpriteVsGroup(object1, object2, collideCallback, processCallback, callbackContext, overlapOnly);
}
else if (object2.type == Phaser.TILEMAPLAYER)
{
this.collideSpriteVsTilemapLayer(object1, object2, collideCallback, processCallback, callbackContext);
}
}
// GROUPS
else if (object1.type == Phaser.GROUP)
{
if (object2.type == Phaser.SPRITE || object2.type == Phaser.TILESPRITE)
{
this.collideSpriteVsGroup(object2, object1, collideCallback, processCallback, callbackContext, overlapOnly);
}
else if (object2.type == Phaser.GROUP || object2.type == Phaser.EMITTER)
{
this.collideGroupVsGroup(object1, object2, collideCallback, processCallback, callbackContext, overlapOnly);
}
else if (object2.type == Phaser.TILEMAPLAYER)
{
this.collideGroupVsTilemapLayer(object1, object2, collideCallback, processCallback, callbackContext);
}
}
// TILEMAP LAYERS
else if (object1.type == Phaser.TILEMAPLAYER)
{
if (object2.type == Phaser.SPRITE || object2.type == Phaser.TILESPRITE)
{
this.collideSpriteVsTilemapLayer(object2, object1, collideCallback, processCallback, callbackContext);
}
else if (object2.type == Phaser.GROUP || object2.type == Phaser.EMITTER)
{
this.collideGroupVsTilemapLayer(object2, object1, collideCallback, processCallback, callbackContext);
}
}
// EMITTER
else if (object1.type == Phaser.EMITTER)
{
if (object2.type == Phaser.SPRITE || object2.type == Phaser.TILESPRITE)
{
this.collideSpriteVsGroup(object2, object1, collideCallback, processCallback, callbackContext, overlapOnly);
}
else if (object2.type == Phaser.GROUP || object2.type == Phaser.EMITTER)
{
this.collideGroupVsGroup(object1, object2, collideCallback, processCallback, callbackContext, overlapOnly);
}
else if (object2.type == Phaser.TILEMAPLAYER)
{
this.collideGroupVsTilemapLayer(object1, object2, collideCallback, processCallback, callbackContext);
}
}
}
},
/**
* An internal function. Use Phaser.Physics.Ninja.collide instead.
*
* @method Phaser.Physics.Ninja#collideSpriteVsSprite
* @private
*/
collideSpriteVsSprite: function (sprite1, sprite2, collideCallback, processCallback, callbackContext, overlapOnly) {
if (this.separate(sprite1.body, sprite2.body, processCallback, callbackContext, overlapOnly))
{
if (collideCallback)
{
collideCallback.call(callbackContext, sprite1, sprite2);
}
this._total++;
}
},
/**
* An internal function. Use Phaser.Physics.Ninja.collide instead.
*
* @method Phaser.Physics.Ninja#collideSpriteVsGroup
* @private
*/
collideSpriteVsGroup: function (sprite, group, collideCallback, processCallback, callbackContext, overlapOnly) {
if (group.length === 0)
{
return;
}
// What is the sprite colliding with in the quadtree?
// this.quadTree.clear();
// this.quadTree = new Phaser.QuadTree(this.game.world.bounds.x, this.game.world.bounds.y, this.game.world.bounds.width, this.game.world.bounds.height, this.maxObjects, this.maxLevels);
// this.quadTree.populate(group);
// this._potentials = this.quadTree.retrieve(sprite);
for (var i = 0, len = group.children.length; i < len; i++)
{
// We have our potential suspects, are they in this group?
if (group.children[i].exists && group.children[i].body && this.separate(sprite.body, group.children[i].body, processCallback, callbackContext, overlapOnly))
{
if (collideCallback)
{
collideCallback.call(callbackContext, sprite, group.children[i]);
}
this._total++;
}
}
},
/**
* An internal function. Use Phaser.Physics.Ninja.collide instead.
*
* @method Phaser.Physics.Ninja#collideGroupVsSelf
* @private
*/
collideGroupVsSelf: function (group, collideCallback, processCallback, callbackContext, overlapOnly) {
if (group.length === 0)
{
return;
}
var len = group.children.length;
for (var i = 0; i < len; i++)
{
for (var j = i + 1; j <= len; j++)
{
if (group.children[i] && group.children[j] && group.children[i].exists && group.children[j].exists)
{
this.collideSpriteVsSprite(group.children[i], group.children[j], collideCallback, processCallback, callbackContext, overlapOnly);
}
}
}
},
/**
* An internal function. Use Phaser.Physics.Ninja.collide instead.
*
* @method Phaser.Physics.Ninja#collideGroupVsGroup
* @private
*/
collideGroupVsGroup: function (group1, group2, collideCallback, processCallback, callbackContext, overlapOnly) {
if (group1.length === 0 || group2.length === 0)
{
return;
}
for (var i = 0, len = group1.children.length; i < len; i++)
{
if (group1.children[i].exists)
{
this.collideSpriteVsGroup(group1.children[i], group2, collideCallback, processCallback, callbackContext, overlapOnly);
}
}
},
/**
* The core separation function to separate two physics bodies.
* @method Phaser.Physics.Ninja#separate
* @param {Phaser.Physics.Ninja.Body} body1 - The Body object to separate.
* @param {Phaser.Physics.Ninja.Body} body2 - The Body object to separate.
* @returns {boolean} Returns true if the bodies collided, otherwise false.
*/
separate: function (body1, body2) {
if (body1.type !== Phaser.Physics.NINJA || body2.type !== Phaser.Physics.NINJA)
{
return false;
}
if (body1.aabb && body2.aabb)
{
return body1.aabb.collideAABBVsAABB(body2.aabb);
}
if (body1.aabb && body2.tile)
{
return body1.aabb.collideAABBVsTile(body2.tile);
}
if (body1.tile && body2.aabb)
{
return body2.aabb.collideAABBVsTile(body1.tile);
}
if (body1.circle && body2.tile)
{
return body1.circle.collideCircleVsTile(body2.tile);
}
if (body1.tile && body2.circle)
{
return body2.circle.collideCircleVsTile(body1.tile);
}
}
};

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/**
* @author George https://github.com/georgiee
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Draws a P2 Body to a Graphics instance for visual debugging.
* Needless to say, for every body you enable debug drawing on, you are adding processor and graphical overhead.
* So use sparingly and rarely (if ever) in production code.
*
* @class Phaser.Physics.P2.BodyDebug
* @classdesc Physics Body Debug Constructor
* @constructor
* @extends Phaser.Group
* @param {Phaser.Game} game - Game reference to the currently running game.
* @param {Phaser.Physics.P2.Body} body - The P2 Body to display debug data for.
* @param {object} settings - Settings object.
*/
Phaser.Physics.P2.BodyDebug = function(game, body, settings) {
Phaser.Group.call(this, game);
/**
* @property {object} defaultSettings - Default debug settings.
* @private
*/
var defaultSettings = {
pixelsPerLengthUnit: 20,
debugPolygons: false,
lineWidth: 1,
alpha: 0.5
};
this.settings = Phaser.Utils.extend(defaultSettings, settings);
/**
* @property {number} ppu - Pixels per Length Unit.
*/
this.ppu = this.settings.pixelsPerLengthUnit;
this.ppu = -1 * this.ppu;
/**
* @property {Phaser.Physics.P2.Body} body - The P2 Body to display debug data for.
*/
this.body = body;
/**
* @property {Phaser.Graphics} canvas - The canvas to render the debug info to.
*/
this.canvas = new Phaser.Graphics(game);
this.canvas.alpha = this.settings.alpha;
this.add(this.canvas);
this.draw();
};
Phaser.Physics.P2.BodyDebug.prototype = Object.create(Phaser.Group.prototype);
Phaser.Physics.P2.BodyDebug.prototype.constructor = Phaser.Physics.P2.BodyDebug;
Phaser.Utils.extend(Phaser.Physics.P2.BodyDebug.prototype, {
/**
* Core update.
*
* @method Phaser.Physics.P2.BodyDebug#update
*/
update: function() {
this.updateSpriteTransform();
},
/**
* Core update.
*
* @method Phaser.Physics.P2.BodyDebug#updateSpriteTransform
*/
updateSpriteTransform: function() {
this.position.x = this.body.position[0] * this.ppu;
this.position.y = this.body.position[1] * this.ppu;
return this.rotation = this.body.angle;
},
/**
* Draws the P2 shapes to the Graphics object.
*
* @method Phaser.Physics.P2.BodyDebug#draw
*/
draw: function() {
var angle, child, color, i, j, lineColor, lw, obj, offset, sprite, v, verts, vrot, _j, _ref1;
obj = this.body;
sprite = this.canvas;
sprite.clear();
color = parseInt(this.randomPastelHex(), 16);
lineColor = 0xff0000;
lw = this.lineWidth;
if (obj instanceof p2.Body && obj.shapes.length)
{
var l = obj.shapes.length;
i = 0;
while (i !== l)
{
child = obj.shapes[i];
offset = obj.shapeOffsets[i];
angle = obj.shapeAngles[i];
offset = offset || 0;
angle = angle || 0;
if (child instanceof p2.Circle)
{
this.drawCircle(sprite, offset[0] * this.ppu, offset[1] * this.ppu, angle, child.radius * this.ppu, color, lw);
}
else if (child instanceof p2.Convex)
{
verts = [];
vrot = p2.vec2.create();
for (j = _j = 0, _ref1 = child.vertices.length; 0 <= _ref1 ? _j < _ref1 : _j > _ref1; j = 0 <= _ref1 ? ++_j : --_j)
{
v = child.vertices[j];
p2.vec2.rotate(vrot, v, angle);
verts.push([(vrot[0] + offset[0]) * this.ppu, -(vrot[1] + offset[1]) * this.ppu]);
}
this.drawConvex(sprite, verts, child.triangles, lineColor, color, lw, this.settings.debugPolygons, [offset[0] * this.ppu, -offset[1] * this.ppu]);
}
else if (child instanceof p2.Plane)
{
this.drawPlane(sprite, offset[0] * this.ppu, -offset[1] * this.ppu, color, lineColor, lw * 5, lw * 10, lw * 10, this.ppu * 100, angle);
}
else if (child instanceof p2.Line)
{
this.drawLine(sprite, child.length * this.ppu, lineColor, lw);
}
else if (child instanceof p2.Rectangle)
{
this.drawRectangle(sprite, offset[0] * this.ppu, -offset[1] * this.ppu, angle, child.width * this.ppu, child.height * this.ppu, lineColor, color, lw);
}
i++;
}
}
},
/**
* Draws the P2 shapes to the Graphics object.
*
* @method Phaser.Physics.P2.BodyDebug#draw
*/
drawRectangle: function(g, x, y, angle, w, h, color, fillColor, lineWidth) {
if (typeof lineWidth === 'undefined') { lineWidth = 1; }
if (typeof color === 'undefined') { color = 0x000000; }
g.lineStyle(lineWidth, color, 1);
g.beginFill(fillColor);
g.drawRect(x - w / 2, y - h / 2, w, h);
},
/**
* Draws a P2 Circle shape.
*
* @method Phaser.Physics.P2.BodyDebug#drawCircle
*/
drawCircle: function(g, x, y, angle, radius, color, lineWidth) {
if (typeof lineWidth === 'undefined') { lineWidth = 1; }
if (typeof color === 'undefined') { color = 0xffffff; }
g.lineStyle(lineWidth, 0x000000, 1);
g.beginFill(color, 1.0);
g.drawCircle(x, y, -radius);
g.endFill();
g.moveTo(x, y);
g.lineTo(x + radius * Math.cos(-angle), y + radius * Math.sin(-angle));
},
/**
* Draws a P2 Line shape.
*
* @method Phaser.Physics.P2.BodyDebug#drawCircle
*/
drawLine: function(g, len, color, lineWidth) {
if (typeof lineWidth === 'undefined') { lineWidth = 1; }
if (typeof color === 'undefined') { color = 0x000000; }
g.lineStyle(lineWidth * 5, color, 1);
g.moveTo(-len / 2, 0);
g.lineTo(len / 2, 0);
},
/**
* Draws a P2 Convex shape.
*
* @method Phaser.Physics.P2.BodyDebug#drawConvex
*/
drawConvex: function(g, verts, triangles, color, fillColor, lineWidth, debug, offset) {
var colors, i, v, v0, v1, x, x0, x1, y, y0, y1;
if (typeof lineWidth === 'undefined') { lineWidth = 1; }
if (typeof color === 'undefined') { color = 0x000000; }
if (!debug)
{
g.lineStyle(lineWidth, color, 1);
g.beginFill(fillColor);
i = 0;
while (i !== verts.length)
{
v = verts[i];
x = v[0];
y = v[1];
if (i === 0)
{
g.moveTo(x, -y);
}
else
{
g.lineTo(x, -y);
}
i++;
}
g.endFill();
if (verts.length > 2)
{
g.moveTo(verts[verts.length - 1][0], -verts[verts.length - 1][1]);
return g.lineTo(verts[0][0], -verts[0][1]);
}
}
else
{
colors = [0xff0000, 0x00ff00, 0x0000ff];
i = 0;
while (i !== verts.length + 1)
{
v0 = verts[i % verts.length];
v1 = verts[(i + 1) % verts.length];
x0 = v0[0];
y0 = v0[1];
x1 = v1[0];
y1 = v1[1];
g.lineStyle(lineWidth, colors[i % colors.length], 1);
g.moveTo(x0, -y0);
g.lineTo(x1, -y1);
g.drawCircle(x0, -y0, lineWidth * 2);
i++;
}
g.lineStyle(lineWidth, 0x000000, 1);
return g.drawCircle(offset[0], offset[1], lineWidth * 2);
}
},
/**
* Draws a P2 Path.
*
* @method Phaser.Physics.P2.BodyDebug#drawPath
*/
drawPath: function(g, path, color, fillColor, lineWidth) {
var area, i, lastx, lasty, p1x, p1y, p2x, p2y, p3x, p3y, v, x, y;
if (typeof lineWidth === 'undefined') { lineWidth = 1; }
if (typeof color === 'undefined') { color = 0x000000; }
g.lineStyle(lineWidth, color, 1);
if (typeof fillColor === "number")
{
g.beginFill(fillColor);
}
lastx = null;
lasty = null;
i = 0;
while (i < path.length)
{
v = path[i];
x = v[0];
y = v[1];
if (x !== lastx || y !== lasty)
{
if (i === 0)
{
g.moveTo(x, y);
}
else
{
p1x = lastx;
p1y = lasty;
p2x = x;
p2y = y;
p3x = path[(i + 1) % path.length][0];
p3y = path[(i + 1) % path.length][1];
area = ((p2x - p1x) * (p3y - p1y)) - ((p3x - p1x) * (p2y - p1y));
if (area !== 0)
{
g.lineTo(x, y);
}
}
lastx = x;
lasty = y;
}
i++;
}
if (typeof fillColor === "number")
{
g.endFill();
}
if (path.length > 2 && typeof fillColor === "number")
{
g.moveTo(path[path.length - 1][0], path[path.length - 1][1]);
g.lineTo(path[0][0], path[0][1]);
}
},
/**
* Draws a P2 Plane shape.
*
* @method Phaser.Physics.P2.BodyDebug#drawPlane
*/
drawPlane: function(g, x0, x1, color, lineColor, lineWidth, diagMargin, diagSize, maxLength, angle) {
var max, xd, yd;
if (typeof lineWidth === 'undefined') { lineWidth = 1; }
if (typeof color === 'undefined') { color = 0xffffff; }
g.lineStyle(lineWidth, lineColor, 11);
g.beginFill(color);
max = maxLength;
g.moveTo(x0, -x1);
xd = x0 + Math.cos(angle) * this.game.width;
yd = x1 + Math.sin(angle) * this.game.height;
g.lineTo(xd, -yd);
g.moveTo(x0, -x1);
xd = x0 + Math.cos(angle) * -this.game.width;
yd = x1 + Math.sin(angle) * -this.game.height;
g.lineTo(xd, -yd);
},
/**
* Picks a random pastel color.
*
* @method Phaser.Physics.P2.BodyDebug#randomPastelHex
*/
randomPastelHex: function() {
var blue, green, mix, red;
mix = [255, 255, 255];
red = Math.floor(Math.random() * 256);
green = Math.floor(Math.random() * 256);
blue = Math.floor(Math.random() * 256);
red = Math.floor((red + 3 * mix[0]) / 4);
green = Math.floor((green + 3 * mix[1]) / 4);
blue = Math.floor((blue + 3 * mix[2]) / 4);
return this.rgbToHex(red, green, blue);
},
/**
* Converts from RGB to Hex.
*
* @method Phaser.Physics.P2.BodyDebug#rgbToHex
*/
rgbToHex: function(r, g, b) {
return this.componentToHex(r) + this.componentToHex(g) + this.componentToHex(b);
},
/**
* Component to hex conversion.
*
* @method Phaser.Physics.P2.BodyDebug#componentToHex
*/
componentToHex: function(c) {
var hex;
hex = c.toString(16);
if (hex.len === 2)
{
return hex;
}
else
{
return hex + '0';
}
}
});

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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Collision Group
*
* @class Phaser.Physics.P2.CollisionGroup
* @classdesc Physics Collision Group Constructor
* @constructor
*/
Phaser.Physics.P2.CollisionGroup = function (bitmask) {
/**
* @property {number} mask - The CollisionGroup bitmask.
*/
this.mask = bitmask;
};

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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Defines a physics material
*
* @class Phaser.Physics.P2.ContactMaterial
* @classdesc Physics ContactMaterial Constructor
* @constructor
* @param {Phaser.Physics.P2.Material} materialA
* @param {Phaser.Physics.P2.Material} materialB
* @param {object} [options]
*/
Phaser.Physics.P2.ContactMaterial = function (materialA, materialB, options) {
/**
* @property {number} id - The contact material identifier.
*/
/**
* @property {Phaser.Physics.P2.Material} materialA - First material participating in the contact material.
*/
/**
* @property {Phaser.Physics.P2.Material} materialB - First second participating in the contact material.
*/
/**
* @property {number} [friction=0.3] - Friction to use in the contact of these two materials.
*/
/**
* @property {number} [restitution=0.0] - Restitution to use in the contact of these two materials.
*/
/**
* @property {number} [stiffness=1e7] - Stiffness of the resulting ContactEquation that this ContactMaterial generate.
*/
/**
* @property {number} [relaxation=3] - Relaxation of the resulting ContactEquation that this ContactMaterial generate.
*/
/**
* @property {number} [frictionStiffness=1e7] - Stiffness of the resulting FrictionEquation that this ContactMaterial generate.
*/
/**
* @property {number} [frictionRelaxation=3] - Relaxation of the resulting FrictionEquation that this ContactMaterial generate.
*/
/**
* @property {number} [surfaceVelocity=0] - Will add surface velocity to this material. If bodyA rests on top if bodyB, and the surface velocity is positive, bodyA will slide to the right.
*/
p2.ContactMaterial.call(this, materialA, materialB, options);
};
Phaser.Physics.P2.ContactMaterial.prototype = Object.create(p2.ContactMaterial.prototype);
Phaser.Physics.P2.ContactMaterial.prototype.constructor = Phaser.Physics.P2.ContactMaterial;

40
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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* A constraint that tries to keep the distance between two bodies constant.
*
* @class Phaser.Physics.P2.DistanceConstraint
* @classdesc Physics DistanceConstraint Constructor
* @constructor
* @param {Phaser.Physics.P2} world - A reference to the P2 World.
* @param {p2.Body} bodyA - First connected body.
* @param {p2.Body} bodyB - Second connected body.
* @param {number} distance - The distance to keep between the bodies.
* @param {number} [maxForce] - The maximum force that should be applied to constrain the bodies.
*/
Phaser.Physics.P2.DistanceConstraint = function (world, bodyA, bodyB, distance, maxForce) {
if (typeof distance === 'undefined') { distance = 100; }
/**
* @property {Phaser.Game} game - Local reference to game.
*/
this.game = world.game;
/**
* @property {Phaser.Physics.P2} world - Local reference to P2 World.
*/
this.world = world;
distance = world.pxm(distance);
p2.DistanceConstraint.call(this, bodyA, bodyB, distance, {maxForce: maxForce});
};
Phaser.Physics.P2.DistanceConstraint.prototype = Object.create(p2.DistanceConstraint.prototype);
Phaser.Physics.P2.DistanceConstraint.prototype.constructor = Phaser.Physics.P2.DistanceConstraint;

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/* jshint noarg: false */
/**
* @author Georgios Kaleadis https://github.com/georgiee
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Allow to access a list of created fixture (coming from Body#addPhaserPolygon)
* which itself parse the input from PhysicsEditor with the custom phaser exporter.
* You can access fixtures of a Body by a group index or even by providing a fixture Key.
* You can set the fixture key and also the group index for a fixture in PhysicsEditor.
* This gives you the power to create a complex body built of many fixtures and modify them
* during runtime (to remove parts, set masks, categories & sensor properties)
*
* @class Phaser.Physics.P2.FixtureList
* @classdesc Collection for generated P2 fixtures
* @constructor
* @param {Array} list - A list of fixtures (from Phaser.Physics.P2.Body#addPhaserPolygon)
*/
Phaser.Physics.P2.FixtureList = function (list) {
if (!Array.isArray(list))
{
list = [list];
}
this.rawList = list;
this.init();
this.parse(this.rawList);
};
Phaser.Physics.P2.FixtureList.prototype = {
/**
* @method Phaser.Physics.P2.FixtureList#init
*/
init: function () {
/**
* @property {object} namedFixtures - Collect all fixtures with a key
* @private
*/
this.namedFixtures = {};
/**
* @property {Array} groupedFixtures - Collect all given fixtures per group index. Notice: Every fixture with a key also belongs to a group
* @private
*/
this.groupedFixtures = [];
/**
* @property {Array} allFixtures - This is a list of everything in this collection
* @private
*/
this.allFixtures = [];
},
/**
* @method Phaser.Physics.P2.FixtureList#setCategory
* @param {number} bit - The bit to set as the collision group.
* @param {string} fixtureKey - Only apply to the fixture with the given key.
*/
setCategory: function (bit, fixtureKey) {
var setter = function(fixture) {
fixture.collisionGroup = bit;
};
this.getFixtures(fixtureKey).forEach(setter);
},
/**
* @method Phaser.Physics.P2.FixtureList#setMask
* @param {number} bit - The bit to set as the collision mask
* @param {string} fixtureKey - Only apply to the fixture with the given key
*/
setMask: function (bit, fixtureKey) {
var setter = function(fixture) {
fixture.collisionMask = bit;
};
this.getFixtures(fixtureKey).forEach(setter);
},
/**
* @method Phaser.Physics.P2.FixtureList#setSensor
* @param {boolean} value - sensor true or false
* @param {string} fixtureKey - Only apply to the fixture with the given key
*/
setSensor: function (value, fixtureKey) {
var setter = function(fixture) {
fixture.sensor = value;
};
this.getFixtures(fixtureKey).forEach(setter);
},
/**
* @method Phaser.Physics.P2.FixtureList#setMaterial
* @param {Object} material - The contact material for a fixture
* @param {string} fixtureKey - Only apply to the fixture with the given key
*/
setMaterial: function (material, fixtureKey) {
var setter = function(fixture) {
fixture.material = material;
};
this.getFixtures(fixtureKey).forEach(setter);
},
/**
* Accessor to get either a list of specified fixtures by key or the whole fixture list
*
* @method Phaser.Physics.P2.FixtureList#getFixtures
* @param {array} keys - A list of fixture keys
*/
getFixtures: function (keys) {
var fixtures = [];
if (keys)
{
if (!(keys instanceof Array))
{
keys = [keys];
}
var self = this;
keys.forEach(function(key) {
if (self.namedFixtures[key])
{
fixtures.push(self.namedFixtures[key]);
}
});
return this.flatten(fixtures);
}
else
{
return this.allFixtures;
}
},
/**
* Accessor to get either a single fixture by its key.
*
* @method Phaser.Physics.P2.FixtureList#getFixtureByKey
* @param {string} key - The key of the fixture.
*/
getFixtureByKey: function (key) {
return this.namedFixtures[key];
},
/**
* Accessor to get a group of fixtures by its group index.
*
* @method Phaser.Physics.P2.FixtureList#getGroup
* @param {number} groupID - The group index.
*/
getGroup: function (groupID) {
return this.groupedFixtures[groupID];
},
/**
* Parser for the output of Phaser.Physics.P2.Body#addPhaserPolygon
*
* @method Phaser.Physics.P2.FixtureList#parse
*/
parse: function () {
var key, value, _ref, _results;
_ref = this.rawList;
_results = [];
for (key in _ref)
{
value = _ref[key];
if (!isNaN(key - 0))
{
this.groupedFixtures[key] = this.groupedFixtures[key] || [];
this.groupedFixtures[key] = this.groupedFixtures[key].concat(value);
}
else
{
this.namedFixtures[key] = this.flatten(value);
}
_results.push(this.allFixtures = this.flatten(this.groupedFixtures));
}
},
/**
* A helper to flatten arrays. This is very useful as the fixtures are nested from time to time due to the way P2 creates and splits polygons.
*
* @method Phaser.Physics.P2.FixtureList#flatten
* @param {array} array - The array to flatten. Notice: This will happen recursive not shallow.
*/
flatten: function (array) {
var result, self;
result = [];
self = arguments.callee;
array.forEach(function(item) {
return Array.prototype.push.apply(result, (Array.isArray(item) ? self(item) : [item]));
});
return result;
}
};

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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Connects two bodies at given offset points, letting them rotate relative to each other around this point.
*
* @class Phaser.Physics.P2.GearConstraint
* @classdesc Physics GearConstraint Constructor
* @constructor
* @param {Phaser.Physics.P2} world - A reference to the P2 World.
* @param {p2.Body} bodyA - First connected body.
* @param {p2.Body} bodyB - Second connected body.
* @param {number} [angle=0] - The relative angle
* @param {number} [ratio=1] - The gear ratio.
*/
Phaser.Physics.P2.GearConstraint = function (world, bodyA, bodyB, angle, ratio) {
if (typeof angle === 'undefined') { angle = 0; }
if (typeof ratio === 'undefined') { ratio = 1; }
/**
* @property {Phaser.Game} game - Local reference to game.
*/
this.game = world.game;
/**
* @property {Phaser.Physics.P2} world - Local reference to P2 World.
*/
this.world = world;
var options = { angle: angle, ratio: ratio };
p2.GearConstraint.call(this, bodyA, bodyB, options);
};
Phaser.Physics.P2.GearConstraint.prototype = Object.create(p2.GearConstraint.prototype);
Phaser.Physics.P2.GearConstraint.prototype.constructor = Phaser.Physics.P2.GearConstraint;

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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* A InversePointProxy is an internal class that allows for direct getter/setter style property access to Arrays and TypedArrays but inverses the values on set.
*
* @class Phaser.Physics.P2.InversePointProxy
* @classdesc InversePointProxy
* @constructor
* @param {Phaser.Physics.P2} world - A reference to the P2 World.
* @param {any} destination - The object to bind to.
*/
Phaser.Physics.P2.InversePointProxy = function (world, destination) {
this.world = world;
this.destination = destination;
};
Phaser.Physics.P2.InversePointProxy.prototype.constructor = Phaser.Physics.P2.InversePointProxy;
/**
* @name Phaser.Physics.P2.InversePointProxy#x
* @property {number} x - The x property of this InversePointProxy.
*/
Object.defineProperty(Phaser.Physics.P2.InversePointProxy.prototype, "x", {
get: function () {
return this.destination[0];
},
set: function (value) {
this.destination[0] = this.world.pxm(-value);
}
});
/**
* @name Phaser.Physics.P2.InversePointProxy#y
* @property {number} y - The y property of this InversePointProxy.
*/
Object.defineProperty(Phaser.Physics.P2.InversePointProxy.prototype, "y", {
get: function () {
return this.destination[1];
},
set: function (value) {
this.destination[1] = this.world.pxm(-value);
}
});

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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Locks the relative position between two bodies.
*
* @class Phaser.Physics.P2.LockConstraint
* @classdesc Physics LockConstraint Constructor
* @constructor
* @param {Phaser.Physics.P2} world - A reference to the P2 World.
* @param {p2.Body} bodyA - First connected body.
* @param {p2.Body} bodyB - Second connected body.
* @param {Array} [offset] - The offset of bodyB in bodyA's frame. The value is an array with 2 elements matching x and y, i.e: [32, 32].
* @param {number} [angle=0] - The angle of bodyB in bodyA's frame.
* @param {number} [maxForce] - The maximum force that should be applied to constrain the bodies.
*/
Phaser.Physics.P2.LockConstraint = function (world, bodyA, bodyB, offset, angle, maxForce) {
if (typeof offset === 'undefined') { offset = [0, 0]; }
if (typeof angle === 'undefined') { angle = 0; }
if (typeof maxForce === 'undefined') { maxForce = Number.MAX_VALUE; }
/**
* @property {Phaser.Game} game - Local reference to game.
*/
this.game = world.game;
/**
* @property {Phaser.Physics.P2} world - Local reference to P2 World.
*/
this.world = world;
offset = [ world.pxm(offset[0]), world.pxm(offset[1]) ];
var options = { localOffsetB: offset, localAngleB: angle, maxForce: maxForce };
p2.LockConstraint.call(this, bodyA, bodyB, options);
};
Phaser.Physics.P2.LockConstraint.prototype = Object.create(p2.LockConstraint.prototype);
Phaser.Physics.P2.LockConstraint.prototype.constructor = Phaser.Physics.P2.LockConstraint;

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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* \o/ ~ "Because I'm a Material girl"
*
* @class Phaser.Physics.P2.Material
* @classdesc Physics Material Constructor
* @constructor
*/
Phaser.Physics.P2.Material = function (name) {
/**
* @property {string} name - The user defined name given to this Material.
* @default
*/
this.name = name;
p2.Material.call(this);
};
Phaser.Physics.P2.Material.prototype = Object.create(p2.Material.prototype);
Phaser.Physics.P2.Material.prototype.constructor = Phaser.Physics.P2.Material;

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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* A PointProxy is an internal class that allows for direct getter/setter style property access to Arrays and TypedArrays.
*
* @class Phaser.Physics.P2.PointProxy
* @classdesc PointProxy
* @constructor
* @param {Phaser.Physics.P2} world - A reference to the P2 World.
* @param {any} destination - The object to bind to.
*/
Phaser.Physics.P2.PointProxy = function (world, destination) {
this.world = world;
this.destination = destination;
};
Phaser.Physics.P2.PointProxy.prototype.constructor = Phaser.Physics.P2.PointProxy;
/**
* @name Phaser.Physics.P2.PointProxy#x
* @property {number} x - The x property of this PointProxy.
*/
Object.defineProperty(Phaser.Physics.P2.PointProxy.prototype, "x", {
get: function () {
return this.destination[0];
},
set: function (value) {
this.destination[0] = this.world.pxm(value);
}
});
/**
* @name Phaser.Physics.P2.PointProxy#y
* @property {number} y - The y property of this PointProxy.
*/
Object.defineProperty(Phaser.Physics.P2.PointProxy.prototype, "y", {
get: function () {
return this.destination[1];
},
set: function (value) {
this.destination[1] = this.world.pxm(value);
}
});

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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Connects two bodies at given offset points, letting them rotate relative to each other around this point.
*
* @class Phaser.Physics.P2.PrismaticConstraint
* @classdesc Physics PrismaticConstraint Constructor
* @constructor
* @param {Phaser.Physics.P2} world - A reference to the P2 World.
* @param {p2.Body} bodyA - First connected body.
* @param {p2.Body} bodyB - Second connected body.
* @param {boolean} [lockRotation=true] - If set to false, bodyB will be free to rotate around its anchor point.
* @param {Array} [anchorA] - Body A's anchor point, defined in its own local frame. The value is an array with 2 elements matching x and y, i.e: [32, 32].
* @param {Array} [anchorB] - Body A's anchor point, defined in its own local frame. The value is an array with 2 elements matching x and y, i.e: [32, 32].
* @param {Array} [axis] - An axis, defined in body A frame, that body B's anchor point may slide along. The value is an array with 2 elements matching x and y, i.e: [32, 32].
* @param {number} [maxForce] - The maximum force that should be applied to constrain the bodies.
*/
Phaser.Physics.P2.PrismaticConstraint = function (world, bodyA, bodyB, lockRotation, anchorA, anchorB, axis, maxForce) {
if (typeof lockRotation === 'undefined') { lockRotation = true; }
if (typeof anchorA === 'undefined') { anchorA = [0, 0]; }
if (typeof anchorB === 'undefined') { anchorB = [0, 0]; }
if (typeof axis === 'undefined') { axis = [0, 0]; }
if (typeof maxForce === 'undefined') { maxForce = Number.MAX_VALUE; }
/**
* @property {Phaser.Game} game - Local reference to game.
*/
this.game = world.game;
/**
* @property {Phaser.Physics.P2} world - Local reference to P2 World.
*/
this.world = world;
anchorA = [ world.pxmi(anchorA[0]), world.pxmi(anchorA[1]) ];
anchorB = [ world.pxmi(anchorB[0]), world.pxmi(anchorB[1]) ];
var options = { localAnchorA: anchorA, localAnchorB: anchorB, localAxisA: axis, maxForce: maxForce, disableRotationalLock: !lockRotation };
p2.PrismaticConstraint.call(this, bodyA, bodyB, options);
};
Phaser.Physics.P2.PrismaticConstraint.prototype = Object.create(p2.PrismaticConstraint.prototype);
Phaser.Physics.P2.PrismaticConstraint.prototype.constructor = Phaser.Physics.P2.PrismaticConstraint;

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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Connects two bodies at given offset points, letting them rotate relative to each other around this point.
* The pivot points are given in world (pixel) coordinates.
*
* @class Phaser.Physics.P2.RevoluteConstraint
* @classdesc Physics RevoluteConstraint Constructor
* @constructor
* @param {Phaser.Physics.P2} world - A reference to the P2 World.
* @param {p2.Body} bodyA - First connected body.
* @param {Float32Array} pivotA - The point relative to the center of mass of bodyA which bodyA is constrained to. The value is an array with 2 elements matching x and y, i.e: [32, 32].
* @param {p2.Body} bodyB - Second connected body.
* @param {Float32Array} pivotB - The point relative to the center of mass of bodyB which bodyB is constrained to. The value is an array with 2 elements matching x and y, i.e: [32, 32].
* @param {number} [maxForce=0] - The maximum force that should be applied to constrain the bodies.
*/
Phaser.Physics.P2.RevoluteConstraint = function (world, bodyA, pivotA, bodyB, pivotB, maxForce) {
if (typeof maxForce === 'undefined') { maxForce = Number.MAX_VALUE; }
/**
* @property {Phaser.Game} game - Local reference to game.
*/
this.game = world.game;
/**
* @property {Phaser.Physics.P2} world - Local reference to P2 World.
*/
this.world = world;
pivotA = [ world.pxmi(pivotA[0]), world.pxmi(pivotA[1]) ];
pivotB = [ world.pxmi(pivotB[0]), world.pxmi(pivotB[1]) ];
p2.RevoluteConstraint.call(this, bodyA, pivotA, bodyB, pivotB, {maxForce: maxForce});
};
Phaser.Physics.P2.RevoluteConstraint.prototype = Object.create(p2.RevoluteConstraint.prototype);
Phaser.Physics.P2.RevoluteConstraint.prototype.constructor = Phaser.Physics.P2.RevoluteConstraint;

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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Creates a spring, connecting two bodies. A spring can have a resting length, a stiffness and damping.
*
* @class Phaser.Physics.P2.Spring
* @classdesc Physics Spring Constructor
* @constructor
* @param {Phaser.Physics.P2} world - A reference to the P2 World.
* @param {p2.Body} bodyA - First connected body.
* @param {p2.Body} bodyB - Second connected body.
* @param {number} [restLength=1] - Rest length of the spring. A number > 0.
* @param {number} [stiffness=100] - Stiffness of the spring. A number >= 0.
* @param {number} [damping=1] - Damping of the spring. A number >= 0.
* @param {Array} [worldA] - Where to hook the spring to body A in world coordinates. This value is an array with 2 elements matching x and y, i.e: [32, 32].
* @param {Array} [worldB] - Where to hook the spring to body B in world coordinates. This value is an array with 2 elements matching x and y, i.e: [32, 32].
* @param {Array} [localA] - Where to hook the spring to body A in local body coordinates. This value is an array with 2 elements matching x and y, i.e: [32, 32].
* @param {Array} [localB] - Where to hook the spring to body B in local body coordinates. This value is an array with 2 elements matching x and y, i.e: [32, 32].
*/
Phaser.Physics.P2.Spring = function (world, bodyA, bodyB, restLength, stiffness, damping, worldA, worldB, localA, localB) {
/**
* @property {Phaser.Game} game - Local reference to game.
*/
this.game = world.game;
/**
* @property {Phaser.Physics.P2} world - Local reference to P2 World.
*/
this.world = world;
if (typeof restLength === 'undefined') { restLength = 1; }
if (typeof stiffness === 'undefined') { stiffness = 100; }
if (typeof damping === 'undefined') { damping = 1; }
restLength = world.pxm(restLength);
var options = {
restLength: restLength,
stiffness: stiffness,
damping: damping
};
if (typeof worldA !== 'undefined' && worldA !== null)
{
options.worldAnchorA = [ world.pxm(worldA[0]), world.pxm(worldA[1]) ];
}
if (typeof worldB !== 'undefined' && worldB !== null)
{
options.worldAnchorB = [ world.pxm(worldB[0]), world.pxm(worldB[1]) ];
}
if (typeof localA !== 'undefined' && localA !== null)
{
options.localAnchorA = [ world.pxm(localA[0]), world.pxm(localA[1]) ];
}
if (typeof localB !== 'undefined' && localB !== null)
{
options.localAnchorB = [ world.pxm(localB[0]), world.pxm(localB[1]) ];
}
p2.Spring.call(this, bodyA, bodyB, options);
};
Phaser.Physics.P2.Spring.prototype = Object.create(p2.Spring.prototype);
Phaser.Physics.P2.Spring.prototype.constructor = Phaser.Physics.P2.Spring;

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