?？怀鰜碓趺崔k
330fish.js:52 Uncaught TypeError: Cannot read property 'draw' of undefined?
aneobj.prototype.draw?=?function(){
????for(var?i=0;i<this.num;i++){
????????ctx2.beginPath();
????????ctx2.moveTo(this.x[i],cHeight);
????????ctx2.lineTo(this.x[i],cHeight?-?this.len[i]);
????????ctx2.lineWidth?=?20;
????????ctx2.linCap?=?"round";
????????ctx2.strokeStyle?="purple";
????????ctx2.stroke();
????}function?gameloop(){
????requestAnimFrame(gameloop);
????var?now?=?Date.now();
????deltaTime?=?now?-?lastTime;?
????lastTime?=?now;?
????drawBackground();
????ane.draw();
}
2016-07-03
1 檢查下你有沒有把這個js引進HTML中
2 檢查下在主函數的init()中是否創建了?ane=new aneObj();