问答详情
源自:1-2 搭建HTML网页结构

有没有大神分享一下完整版代码的?菜鸟求帮助!!!

有没有大神分享一下完整版代码的?菜鸟求帮助!!!图片一直显示在左下角,并且报错ane.js,提示Uncaught TypeError: Object #<CanvasRenderingContext2D> has no method 'LineTO' 。

提问者:小智啊 2017-10-19 18:01

个回答

  • 性别男爱好女
    2017-12-20 20:05:18

    我靠,复制上去肿么成这鬼样子了。。。。

  • 性别男爱好女
    2017-12-20 20:02:43

    var can1;
    var can2;
    
    var ctx1,ctx2;
    
    var lastTime;
    var deltaTime;
    
    var mx,my;
    
    var bgpic=new Image();
    $(function(){
    	init();
    	lastTime=Date.now();
    	deltaTime=0;
    	gameloop();
    });
    
    function init(){
    	can1=document.getElementById('cs1');
    	can2=document.getElementById('cs2');
    	ctx1=can1.getContext('2d');
    	ctx2=can2.getContext('2d');
    	
    	can1.addEventListener('mousemove',onMouseMove,false);
    	
    	bgpic.src='./img/background.jpg';
    	aneObj.init();
    	fruit.init();
    	dayu.init();
    	xiaoyu.init();
    	
    	mx=can1.width/2;
    	my=can1.height/2;
    }
    
    function gameloop(){
    	window.requestAnimationFrame(gameloop);
    	var now=Date.now();
    	deltaTime=(now-lastTime>20?18:now-lastTime);
    	lastTime=now;
    	ctx2.drawImage(bgpic,0,0,can1.width,can1.height);
    	aneObj.draw();
    	fruit.draw();
    	fruit.fruitMonitor();
    	
    	ctx1.clearRect(0,0,can1.width,can1.height);
    	dayu.draw();
    	xiaoyu.draw();
    	chi.chile();
    }
    
    function onMouseMove(e){
    	if(e.offSetX||e.layerX){
    		mx=e.offSetX==undefined?e.layerX:e.offSetX;
    		my=e.offSetY==undefined?e.layerY:e.offSetY;
    	}
    }
    
    window.aneObj={
    	param:{
    		x:[],
    		len:[],
    		num:50
    	},
    	
    	init:function(){
    		for(i=0;i<aneObj.param.num;i++){
    			aneObj.param.x[i]=i*16+Math.random()*20;
    			aneObj.param.len[i]=200+Math.random()*50;
    		}
    	},
    	
    	draw:function(){
    		ctx2.save();
    		ctx2.globalAlpha=0.6;
    		ctx2.lineWidth=20;
    		ctx2.lineCap="round";
    		ctx2.strokeStyle="#3b154e";
    		for(i=0;i<aneObj.param.num;i++){
    			ctx2.beginPath();
    			ctx2.moveTo(aneObj.param.x[i],can1.height);
    			ctx2.lineTo(aneObj.param.x[i],can1.height-aneObj.param.len[i]);
    			ctx2.stroke();
    		}
    		ctx2.restore();
    	}
    }
    
    window.fruit={
    	param:{
    		alive:[],
    		x:[],
    		y:[],
    		spd:[],
    		l:[],
    		max:[],
    		orange:new Image(),
    		blue:new Image(),
    		num:30,
    		thisImg:[]
    	},
    	
    	init:function(){
    		for(i=0;i<fruit.param.num;i++){
    			fruit.param.alive[i]=false;
    			fruit.param.x[i]=0;
    			fruit.param.y[i]=0;
    			fruit.param.spd[i]=Math.random()*0.017+0.003;
    			fruit.param.max[i]=Math.random()*21;
    			fruit.param.thisImg[i]=new Image();
    			for(;true;){
    				if(fruit.param.max[i]<10){
    					fruit.param.max[i]=Math.random()*21;
    				}else{
    					break;
    				}
    			}
    		}
    		fruit.param.orange.src='./img/fruit.png';
    		fruit.param.blue.src='./img/blue.png';
    	},
    	
    	draw:function(){
    		for(i=0;i<fruit.param.num;i++){
    			if(fruit.param.alive[i]){
    				if(fruit.param.l[i]<=fruit.param.max[i]){
    					fruit.param.l[i]+=fruit.param.spd[i]*deltaTime;
    				}else{
    					fruit.param.y[i]-=fruit.param.spd[i]*7*deltaTime;	
    				}
    				ctx2.drawImage(fruit.param.thisImg[i],fruit.param.x[i]-fruit.param.l[i]/2,fruit.param.y[i]-fruit.param.l[i]/2,fruit.param.l[i],fruit.param.l[i]);
    				if(fruit.param.y[i]<0){
    					fruit.param.alive[i]=false;
    				}
    			}
    		}
    	},
    	
    	born:function(i){
    		fruit.param.thisImg[i].src=Math.random()>0.1?fruit.param.orange.src:fruit.param.blue.src;
    		var aneObjid=Math.floor(Math.random()*aneObj.param.num);
    		fruit.param.x[i]=aneObj.param.x[aneObjid];
    		fruit.param.y[i]=can1.height-aneObj.param.len[aneObjid];
    		fruit.param.l[i]=0;
    		fruit.param.alive[i]=true;
    	},
    	
    	fruitMonitor:function(){
    		var num=0;
    		for(i=0;i<fruit.param.num;i++){
    			if(fruit.param.alive[i]){
    				num++;
    			}
    		}
    		if(num<15){
    			fruit.sendFruit()
    			return;
    		}
    	},
    	
    	sendFruit:function(){
    		for(i=0;i<fruit.param.num;i++){
    			if(!fruit.param.alive[i]){
    				fruit.born(i);
    				return;
    			}
    		}
    	}
    }
    
    window.dayu={
    	param:{
    		x:0,
    		y:0,
    		bigEye:new Image(),
    		bigBody:new Image(),
    		bigTail:new Image(),
    		angle:0
    	},
    	
    	init:function(){
    		dayu.param.x=can1.width/2;
    		dayu.param.y=can1.height/2;
    		dayu.param.bigEye.src='./img/bigEye0.png';
    		dayu.param.bigBody.src='./img/bigSwim0.png';
    		dayu.param.bigTail.src='./img/bigTail0.png';
    	},
    	
    	draw:function(){
    		dayu.param.x=lerpDistance(mx,dayu.param.x,0.98);
    		dayu.param.y=lerpDistance(my,dayu.param.y,0.99);
    		var daltaY=my-dayu.param.y;
    		var daltaX=mx-dayu.param.x;
    		var beta=Math.atan2(daltaY,daltaX)+Math.PI;
    		
    		dayu.param.angle=lerpAngle(beta,dayu.param.angle,0.6);
    		
    		ctx1.save();
    		ctx1.translate(dayu.param.x,dayu.param.y);
    		ctx1.rotate(dayu.param.angle);
    		
    		ctx1.drawImage(dayu.param.bigBody,-dayu.param.bigBody.width/2,-dayu.param.bigBody.height/2);
    		ctx1.drawImage(dayu.param.bigTail,-dayu.param.bigTail.width/2+30,-dayu.param.bigTail.height/2);
    		ctx1.drawImage(dayu.param.bigEye,-dayu.param.bigEye.width/2,-dayu.param.bigEye.height/2);
    		ctx1.restore();
    	}
    }
    
    window.xiaoyu={
    	param:{
    		x:0,
    		y:0,
    		bigEye:new Image(),
    		bigBody:new Image(),
    		bigTail:new Image(),
    		angle:0
    	},
    	
    	init:function(){
    		xiaoyu.param.x=can1.width/2-50;
    		xiaoyu.param.y=can1.height/2+50;
    		xiaoyu.param.bigEye.src='./img/babyEye0.png';
    		xiaoyu.param.bigBody.src='./img/babyFade0.png';
    		xiaoyu.param.bigTail.src='./img/babyTail0.png';
    	},
    	
    	draw:function(){
    		xiaoyu.param.x=lerpDistance(dayu.param.x,xiaoyu.param.x,0.99);
    		xiaoyu.param.y=lerpDistance(dayu.param.y,xiaoyu.param.y,0.99);
    		var daltaY=dayu.param.y-xiaoyu.param.y;
    		var daltaX=dayu.param.x-xiaoyu.param.x;
    		var beta=Math.atan2(daltaY,daltaX)+Math.PI;
    		
    		xiaoyu.param.angle=lerpAngle(beta,xiaoyu.param.angle,0.6);
    		
    		ctx1.save();
    		ctx1.translate(xiaoyu.param.x,xiaoyu.param.y);
    		ctx1.rotate(xiaoyu.param.angle);
    		ctx1.drawImage(xiaoyu.param.bigBody,-xiaoyu.param.bigBody.width/2,-xiaoyu.param.bigBody.height/2);
    		ctx1.drawImage(xiaoyu.param.bigTail,-xiaoyu.param.bigTail.width/2+25,-xiaoyu.param.bigTail.height/2);
    		ctx1.drawImage(xiaoyu.param.bigEye,-xiaoyu.param.bigEye.width/2,-xiaoyu.param.bigEye.height/2);
    		ctx1.restore();
    	}
    }
    
    window.chi={
    	chile:function(){
    		for(i=0;i<fruit.param.num;i++){
    			if(fruit.param.alive[i]){
    				var l=calLength2(fruit.param.x[i],fruit.param.y[i],dayu.param.x,dayu.param.y);
    				if(l<900){
    					fruit.param.alive[i]=false;
    				}
    			}
    		}
    	}
    }
    
    
    //放一个文件中就可以了


  • realwds
    2017-11-21 14:47:04

    应该是lineTo把