bgPic.onload = function drawBg(){
ctx2.drawImage(bgPic,0,0,canWidth,canHeight);
}
ctx2.drawImage(bgPic,0,0,canWidth,canHeight);
}
如果,你跟著老師的打而且沒有錯誤的話,老師在main.js里面的fruit = new fruitObj();下一行加個fruit.init();,果實就能出來了。
2017-04-26
ctx1 = can1.context();報錯,context() is not a function.
我改成 ctx1 = can1.getContext(); 測試OK
我改成 ctx1 = can1.getContext(); 測試OK