?//大魚(yú)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="img/bigEye0.png";
?	this.bigBody.src="img/bigSwim0.png";	
?	this.bigTail.src="img/bigTail0.png";
?	}
?momObj.prototype.draw=function(){
?	ctx1.save();	
?	ctx1.translate(this.x,this.y);	
?	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();
?	}