fixed loadPolygon center of mass

Author: georgiee

src/physics/p2/Body.js

@@ -1218,62 +1218,43 @@ Phaser.Physics.P2.Body.prototype = {
 
         var data = this.game.cache.getPhysicsData(key, object);
 
-        if (data.length === 1)
+        //  We've multiple Convex shapes, they should be CCW automatically
+        var cm = p2.vec2.create();
+
+        for (var i = 0; i < data.length; i++)
         {
-            var temp = [];
-            var localData = data[data.length - 1];
+            var vertices = [];
 
-            //  We've a list of numbers
-            for (var i = 0, len = localData.shape.length; i < len; i += 2)
+            for (var s = 0; s < data[i].shape.length; s += 2)
             {
-                temp.push([localData.shape[i], localData.shape[i + 1]]);
+                vertices.push([ this.world.pxmi(data[i].shape[s]), this.world.pxmi(data[i].shape[s + 1]) ]);
             }
 
-            return this.addPolygon(options, temp);
-        }
-        else
-        {
-            //  We've multiple Convex shapes, they should be CCW automatically
-            var cm = p2.vec2.create();
+            var c = new p2.Convex(vertices);
 
-            for (var i = 0; i < data.length; i++)
+            // Move all vertices so its center of mass is in the local center of the convex
+            for (var j = 0; j !== c.vertices.length; j++)
             {
-                var vertices = [];
-
-                for (var s = 0; s < data[i].shape.length; s += 2)
-                {
-                    vertices.push([ this.world.pxmi(data[i].shape[s]), this.world.pxmi(data[i].shape[s + 1]) ]);
-                }
-
-                var c = new p2.Convex(vertices);
-
-                // Move all vertices so its center of mass is in the local center of the convex
-                for (var j = 0; j !== c.vertices.length; j++)
-                {
-                    var v = c.vertices[j];
-                    p2.vec2.sub(v, v, c.centerOfMass);
-                }
-
-                p2.vec2.scale(cm, c.centerOfMass, 1);
-
-                cm[0] -= this.world.pxmi(this.sprite.width / 2);
-                cm[1] -= this.world.pxmi(this.sprite.height / 2);
-
-                c.updateTriangles();
-                c.updateCenterOfMass();
-                c.updateBoundingRadius();
-
-                this.data.addShape(c, cm);
+                var v = c.vertices[j];
+                p2.vec2.sub(v, v, c.centerOfMass);
             }
 
-            this.data.aabbNeedsUpdate = true;
-            this.shapeChanged();
+            p2.vec2.scale(cm, c.centerOfMass, 1);
+
+            cm[0] -= this.world.pxmi(this.sprite.width / 2);
+            cm[1] -= this.world.pxmi(this.sprite.height / 2);
 
-            return true;
+            c.updateTriangles();
+            c.updateCenterOfMass();
+            c.updateBoundingRadius();
 
+            this.data.addShape(c, cm);
         }
 
-        return false;
+        this.data.aabbNeedsUpdate = true;
+        this.shapeChanged();
+
+        return true;
 
     },