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Making AI able to 'see' the player

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This commit is contained in:
Andrew Kesterson
2014-06-14 16:17:08 -07:00
parent 5531f0787d
commit 11a104c516
1 changed files with 31 additions and 15 deletions
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46
moonlight/js/moonlight-skulk.js
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@@ -588,21 +588,7 @@ EffectSprite.prototype = Object.create(Phaser.Sprite.prototype);
EffectSprite.prototype.constructor = EffectSprite;
var AISprite = function(game, x, y, key, frame) {
this.canSeeSprite = function(spr, debug) {
var xd = (spr.x - this.x);
if ( xd < 0 )
xd = -(xd);
var yd = (spr.y - this.y);
if ( yd < 0 )
yd = -(yd);
var hyp = Math.sqrt(Number(xd * xd) + Number(yd * yd));
if ( hyp > this.view_distance ) {
if ( debug == true )
console.log(spr + " is too far away");
return false;
}
this.viewRectangle = function() {
if ( hasState(this, STATE_FACE_LEFT) ) {
var viewrect = new Phaser.Rectangle(this.x, this.y - 32,
this.x - this.view_distance,
@@ -620,9 +606,28 @@ var AISprite = function(game, x, y, key, frame) {
this.x + 64,
this.y - this.view_distance);
} else {
return null;
}
}
this.canSeeSprite = function(spr, debug) {
var xd = (spr.x - this.x);
if ( xd < 0 )
xd = -(xd);
var yd = (spr.y - this.y);
if ( yd < 0 )
yd = -(yd);
var hyp = Math.sqrt(Number(xd * xd) + Number(yd * yd));
if ( hyp > this.view_distance ) {
if ( debug == true )
console.log(spr + " is too far away");
return false;
}
var viewrect = this.viewRectangle();
if ( viewrect == null )
return false;
var sprrect = new Phaser.Rectangle(spr.x, spr.y, spr.x + 32, spr.y + 32);
if ( viewrect.intersects(sprrect) || viewrect.containsRect(sprrect) ) {
@@ -1113,6 +1118,17 @@ GameState.prototype.update = function()
this.aiSprites.forEach(_inner_collide, this);
this.updateShadowTexture();
function _draw_viewrect(x) {
var r = x.viewRectangle();
this.shadowTexture.context.fillStyle = 'rgba(255, 255, 255)';
this.shadowTexture.context.fillRect(r.left,
r.top,
r.right,
r.bottom);
}
this.aiSprites.forEach(_draw_viewrect, this);
if (game.time.fps !== 0) {
this.fpsText.setText(game.time.fps + ' FPS');
}