Add crossOrigin attribute to imgs to prevent canvas tainted errors

js/Sprite.js

@@ -140,7 +140,10 @@ Sprite.prototype.attach = function(scene) {
                 });
             scene.append($(sprite.textures[c]));
         })
-        .attr('src', io.asset_base + this.costumes[c].baseLayerMD5 + io.asset_suffix);
+        .attr({
+            'crossOrigin': 'annonymous',
+            'src': io.asset_base + this.costumes[c].baseLayerMD5 + io.asset_suffix
+        });
     }
 
     this.mesh = this.textures[this.currentCostumeIndex];