momObj.prototype.draw=function()

{

this.x=lerpDistance(mx,this.x,0.99);//運動速度

this.y=lerpDistance(my,this.y,0.99);

? ? var deltaY=my-this.y;//角度差

? ? var deltaX=mx-this.x;

? ? var beta = Math.atan2(deltaY,deltaX);

? ? this.angel=lerpAngle(beta,this.angel,-0.6);

ctx1.save();//表示僅限于適用大魚

ctx1.translate(this.x,this.y);//移動原點

ctx1.rotate(this.angel);

? ? ctx1.drawImage(this.bigEye,-this.bigEye.width*0.5,-this.bigEye.height*0.5);

? ? ctx1.drawImage(this.bigBody,-this.bigBody.width*0.5,-this.bigBody.height*0.5);

? ? ctx1.drawImage(this.bigTail,-this.bigTail.width*0.5+30,-this.bigTail.height*0.5);

? ? ctx1.restore();

}