Added Sprite.getBounds function

photonstorm · photonstorm · commit 71b4cc532f28 · 2013-09-01T11:15:13.000+01:00
diff --git a/examples/get_bounds.php b/examples/get_bounds.php
@@ -0,0 +1,51 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+	<title>phaser.js - a new beginning</title>
+	<?php
+		require('js.php');
+	?>
+</head>
+<body>
+
+<script type="text/javascript">
+
+(function () {
+
+	var game = new Phaser.Game(800, 600, Phaser.CANVAS, '', { preload: preload, create: create, update: update, render: render });
+
+	var s;
+	var r;
+
+	function preload() {
+		game.load.image('test', 'assets/sprites/mana_card.png');
+	}
+
+	function create() {
+
+		s = game.add.sprite(game.world.centerX, game.world.centerY, 'test');
+		s.anchor.setTo(0.5, 0.5);
+
+		r = s.getBounds(r);
+
+	}
+
+	function update() {
+
+		s.angle += 1;
+		s.getBounds(r);
+
+	}
+
+	function render() {
+
+		game.debug.renderRectangle(r);
+
+	}
+
+})();
+
+</script>
+
+</body>
+</html>
diff --git a/src/gameobjects/Sprite.js b/src/gameobjects/Sprite.js
@@ -219,6 +219,26 @@ Phaser.Sprite.prototype.getLocalPosition = function(p, x, y) {
 
 }
 
+Phaser.Sprite.prototype.getBounds = function(rect) {
+
+    rect = rect || new Phaser.Rectangle;
+
+    var left = Math.min(this.topLeft.x, this.topRight.x, this.bottomLeft.x, this.bottomRight.x);
+    var right = Math.max(this.topLeft.x, this.topRight.x, this.bottomLeft.x, this.bottomRight.x);
+    var top = Math.min(this.topLeft.y, this.topRight.y, this.bottomLeft.y, this.bottomRight.y);
+    var bottom = Math.max(this.topLeft.y, this.topRight.y, this.bottomLeft.y, this.bottomRight.y);
+
+    rect.x = left;
+    rect.y = top;
+    rect.width = right - left;
+    rect.height = bottom - top;
+
+    //  This could work to include the children by running through the linked list and storing only the highest min.max values
+    
+    return rect;
+
+}
+
 Object.defineProperty(Phaser.Sprite.prototype, 'angle', {
 
     get: function() {
