为什么大鱼没有显示

Question

// JavaScript Document

var momObj=function()

{

this.x;

this.y;

this.bigEye=new Image();

this.bigBody=new Image();

this.bigTail=new Image();

}

momObj.prototype.init=function()

{

this.x=canWidth*0.5;

this.y=canHeight*0.5;

this.bigEye.src="./src/bigEye0.png";

this.bigBody.src="./src/bigSwim0.png";

this.bigTail.src="./src/bigTail0.png";

}

momObj.prototype.draw=function()

{

ctx1.drawImage(this.bigEye,this.x,this.y);

ctx1.drawImage(this.bigBody,this.x,this.y);

ctx1.drawImage(this.bigTail,this.x,this.y);

}

Answer 1

调用函数了？