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Close #26 : A player can now hide behind any non-walkable tile, or any other AISprite, and block the vision of an AISprite

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Andrew Kesterson
2014-07-06 14:36:46 -07:00
parent 9b4ec3ff92
commit 164f486bc2
1 changed files with 16 additions and 2 deletions
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18
moonlight/src/AISprite.js
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@@ -42,8 +42,8 @@ var AISprite = function(game, x, y, key, frame) {
if ( hasState(this, STATE_ALERTED) ) if ( hasState(this, STATE_ALERTED) )
vd = vd * 2; vd = vd * 2;
var distance = (new Phaser.Line(spr.x, spr.y, this.x, this.y).length); var viewline = new Phaser.Line(this.x, this.y, spr.x, spr.y);
if ( distance > vd ) { if ( viewline.length > vd ) {
return false; return false;
} }
@@ -53,8 +53,22 @@ var AISprite = function(game, x, y, key, frame) {
} }
var sprrect = positiveRectangle(spr.x, spr.y, 32, 32); var sprrect = positiveRectangle(spr.x, spr.y, 32, 32);
if ( viewrect.intersects(sprrect) || viewrect.containsRect(sprrect) ) { if ( viewrect.intersects(sprrect) || viewrect.containsRect(sprrect) ) {
var grid = gridWithAISprites();
viewline = new Phaser.Line(viewline.start.x / 32,
viewline.start.y / 32,
viewline.end.x / 32,
viewline.end.y / 32);
var viewcoords = viewline.coordinatesOnLine(1);
// Start the counter at 1 so we skip our own tile
for ( var ctr = 1; ctr < viewcoords.length ; ctr++ ) {
var coord = [parseInt(viewcoords[ctr][0]),
parseInt(viewcoords[ctr][1])];
if ( grid.nodes[coord[1]][coord[0]].walkable == false )
return false;
}
return true; return true;
} }
return false; return false;
} }