var?player?={???color:"#00A",???x:220,?

?

??y:270,???

width:32,???

height:32,?

??draw:function(){?

canvas.fillStyle=this.color;?

canvas.fillRect(this.x,this.y,this.width,this.height);?}?};?

我們現(xiàn)在用一個(gè)純色的矩形來(lái)代表player.當(dāng)我們把它加入游戲當(dāng)中的時(shí)候，我們需要清除畫(huà)布并且畫(huà)上player.?

function?draw(){?

canvas.clearRect(0,0,?CANVAS_WIDTH,?CANVAS_HEIGHT);?player.draw();?

}?

?

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