(sources, callback)
| 34 | } |
| 35 | |
| 36 | var loadImages = function(sources, callback){ |
| 37 | var nb = 0; |
| 38 | var loaded = 0; |
| 39 | var imgs = {}; |
| 40 | for(var i in sources){ |
| 41 | nb++; |
| 42 | imgs[i] = new Image(); |
| 43 | imgs[i].src = sources[i]; |
| 44 | imgs[i].onload = function(){ |
| 45 | loaded++; |
| 46 | if(loaded == nb){ |
| 47 | callback(imgs); |
| 48 | } |
| 49 | } |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | var Bird = function(json){ |
| 54 | this.x = 80; |