关于定时器动画效果代码,Js代码库,德仔网

代码语言
代码分类
【Js】关于定时器动画效果
作者:明华 / 发布于2018/3/20/ 443
关于定时器动画效果
<!DOCTYPE html>
<html style="100%">
	<head lang="en">
		<meta charset="utf-8">
		<title>canvas</title>
		<link rel="stylesheet" href="domo.css"/>
	</head>
	<body style="height:100%">
		<canvas id="canvas" style="width:100%;height:100%;">
		</canvas>


		<script type="text/javascript">
				digit =
    [
        [
            [0,0,1,1,1,0,0],
            [0,1,1,0,1,1,0],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,0,1,1,0],
            [0,0,1,1,1,0,0]
        ],//0
        [
            [0,0,0,1,1,0,0],
            [0,1,1,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [1,1,1,1,1,1,1]
        ],//1
        [
            [0,1,1,1,1,1,0],
            [1,1,0,0,0,1,1],
            [0,0,0,0,0,1,1],
            [0,0,0,0,1,1,0],
            [0,0,0,1,1,0,0],
            [0,0,1,1,0,0,0],
            [0,1,1,0,0,0,0],
            [1,1,0,0,0,0,0],
            [1,1,0,0,0,1,1],
            [1,1,1,1,1,1,1]
        ],//2
        [
            [1,1,1,1,1,1,1],
            [0,0,0,0,0,1,1],
            [0,0,0,0,1,1,0],
            [0,0,0,1,1,0,0],
            [0,0,1,1,1,0,0],
            [0,0,0,0,1,1,0],
            [0,0,0,0,0,1,1],
            [0,0,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,1,1,1,0]
        ],//3
        [
            [0,0,0,0,1,1,0],
            [0,0,0,1,1,1,0],
            [0,0,1,1,1,1,0],
            [0,1,1,0,1,1,0],
            [1,1,0,0,1,1,0],
            [1,1,1,1,1,1,1],
            [0,0,0,0,1,1,0],
            [0,0,0,0,1,1,0],
            [0,0,0,0,1,1,0],
            [0,0,0,1,1,1,1]
        ],//4
        [
            [1,1,1,1,1,1,1],
            [1,1,0,0,0,0,0],
            [1,1,0,0,0,0,0],
            [1,1,1,1,1,1,0],
            [0,0,0,0,0,1,1],
            [0,0,0,0,0,1,1],
            [0,0,0,0,0,1,1],
            [0,0,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,1,1,1,0]
        ],//5
        [
            [0,0,0,0,1,1,0],
            [0,0,1,1,0,0,0],
            [0,1,1,0,0,0,0],
            [1,1,0,0,0,0,0],
            [1,1,0,1,1,1,0],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,1,1,1,0]
        ],//6
        [
            [1,1,1,1,1,1,1],
            [1,1,0,0,0,1,1],
            [0,0,0,0,1,1,0],
            [0,0,0,0,1,1,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,1,1,0,0,0],
            [0,0,1,1,0,0,0],
            [0,0,1,1,0,0,0],
            [0,0,1,1,0,0,0]
        ],//7
        [
            [0,1,1,1,1,1,0],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,1,1,1,0],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,1,1,1,0]
        ],//8
        [
            [0,1,1,1,1,1,0],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,1,0,1,1],
            [0,0,0,0,0,1,1],
            [0,0,0,0,0,1,1],
            [0,0,0,0,1,1,0],
            [0,0,0,1,1,0,0],
            [0,1,1,0,0,0,0]
        ],//9
        [
            [0,0,0,0],
            [0,0,0,0],
            [0,1,1,0],
            [0,1,1,0],
            [0,0,0,0],
            [0,0,0,0],
            [0,1,1,0],
            [0,1,1,0],
            [0,0,0,0],
            [0,0,0,0]
        ]//:
    ];
		</script>
		<script type="text/javascript">
				var WINDOW_WIDTH=1024;
var WINDOW_HEIGHT=768;
var RADIUS=8;
var MARGIN_TOP=60;
var MARGIN_LEFT=30;

var endTime=new Date();
endTime.setTime(endTime.getTime()+10*1000);

var curShowTimeSeconds=0;

var balls=[];
const colors=["#33B5E5","#0099CC","#AA66CC","#9933CC","#99CC00","#669900","#FFBB33","#FF8800","#FF4444","#CC0000"]

window.onload=function(){

	WINDOW_WIDTH=document.body.clientWidth;
	WINDOW_HEIGHT=document.body.clientHeight;

	MARGIN_LEFT=Math.round(WINDOW_WIDTH/10);
	RADIUS=Math.round(WINDOW_WIDTH*4/5/108)-1;

	MARGIN_TOP=Math.round(WINDOW_HEIGHT/5);

	var canvas=document.getElementById("canvas");
	var context=canvas.getContext("2d");

	canvas.width=WINDOW_WIDTH;
	canvas.height=WINDOW_HEIGHT;

	curShowTimeSeconds=getCurrentShowTimeSeconds();
	

	setInterval(
		function(){
			render(context);
			update();
		},
		50
	);


}

function getCurrentShowTimeSeconds(){
	var curTime=new Date();
	var ret=endTime.getTime()-curTime.getTime();
	ret=Math.round(ret/1000);

	return ret>=0 ? ret:17*3600+5*60+20;
}




function update(){
	var nextShowTimeSeconds=getCurrentShowTimeSeconds();

	var nextHours=parseInt(nextShowTimeSeconds/3600);
	var nextMinutes=parseInt((nextShowTimeSeconds-nextHours*3600)/60);
	var nextSeconds=nextShowTimeSeconds%60;

	var curHours=parseInt(curShowTimeSeconds/3600);
	var curMinutes=parseInt((curShowTimeSeconds-curHours*3600)/60);
	var curSeconds=curShowTimeSeconds%60;


	if(nextSeconds!=curSeconds){
	  //小时变化检测
		if(parseInt(curHours/10)!=parseInt(nextHours/10)){
			addBalls(MARGIN_LEFT+0,MARGIN_TOP,parseInt(curHours/10));
		}
		if(parseInt(curHours%10)!=parseInt(nextHours%10)){
			addBalls(MARGIN_LEFT+15*(RADIUS+1),MARGIN_TOP,parseInt(curHours/10));
		}
	  //分钟变化检测
	    if(parseInt(curMinutes/10)!=parseInt(nextMinutes/10)){
			addBalls(MARGIN_LEFT+39*(RADIUS+1),MARGIN_TOP,parseInt(curMinutes/10));
		}
		if(parseInt(curMinutes%10)!=parseInt(nextMinutes%10)){
			addBalls(MARGIN_LEFT+54*(RADIUS+1),MARGIN_TOP,parseInt(curMinutes%10));
		}
	  //秒变化检测
	    if(parseInt(curSeconds/10)!=parseInt(nextSeconds/10)){
			addBalls(MARGIN_LEFT+78*(RADIUS+1),MARGIN_TOP,parseInt(curSeconds/10));
		}
		if(parseInt(curSeconds%10)!=parseInt(nextSeconds%10)){
			addBalls(MARGIN_LEFT+93*(RADIUS+1),MARGIN_TOP,parseInt(nextSeconds%10));
		}
		curShowTimeSeconds=nextShowTimeSeconds;
	}
	updateBalls();
	console.log(balls.length);
}



function updateBalls(){
	for(var i=0;i<balls.length;i++){
		balls[i].x +=balls[i].vx;
		balls[i].y +=balls[i].vy;
		balls[i].vy+=balls[i].g;

		if(balls[i].y>=WINDOW_HEIGHT-RADIUS){
			balls[i].y=WINDOW_HEIGHT-RADIUS;
			balls[i].vy=-balls[i].vy*0.75;
		}
	}


	var cnt=0;
	for(var i=0;i<balls.length;i++)
		if(balls[i].x+RADIUS>0&&balls[i].x-RADIUS<WINDOW_WIDTH)
			balls[cnt++]=balls[i];

		while(balls.length>cnt){
			balls.pop()
		}
	
}




function addBalls(x,y,num){
	for(var i=0;i<digit[num].length;i++)
		for(var j=0;j<digit[num][i].length;j++)
			if(digit[num][i][j]==1){
				var aBall={
					x:x+j*2*(RADIUS+1)+(RADIUS+1),
					y:y+i*2*(RADIUS+1)+(RADIUS+1),
					g:1.5+Math.random(),
					vx:Math.pow(-1,Math.ceil(Math.random()*1000))*4,
					vy:-5,
					color:colors[Math.floor(Math.random()*colors.length)]
				}

				balls.push(aBall)
			}
}




function render(cxt){

	cxt.clearRect(0,0,WINDOW_WIDTH,WINDOW_HEIGHT);

	var hours=parseInt(curShowTimeSeconds/3600);
	var minutes=parseInt((curShowTimeSeconds-hours*3600)/60);
	var seconds=curShowTimeSeconds%60;



	renderDigit(MARGIN_LEFT,MARGIN_TOP,parseInt(hours/10),cxt);
	renderDigit(MARGIN_LEFT+15*(RADIUS+1),MARGIN_TOP,parseInt(hours%10),cxt);
	renderDigit(MARGIN_LEFT+30*(RADIUS+1),MARGIN_TOP,10,cxt);
	renderDigit(MARGIN_LEFT+39*(RADIUS+1),MARGIN_TOP,parseInt(minutes/10),cxt);
	renderDigit(MARGIN_LEFT+54*(RADIUS+1),MARGIN_TOP,parseInt(minutes%10),cxt);
	renderDigit(MARGIN_LEFT+69*(RADIUS+1),MARGIN_TOP,10,cxt);
	renderDigit(MARGIN_LEFT+78*(RADIUS+1),MARGIN_TOP,parseInt(seconds/10),cxt);
	renderDigit(MARGIN_LEFT+93*(RADIUS+1),MARGIN_TOP,parseInt(seconds%10),cxt);
	

	for(var i=0;i<balls.length;i++){
		cxt.fillStyle=balls[i].color;
		cxt.beginPath();
		cxt.arc(balls[i].x,balls[i].y,RADIUS,0,2*Math.PI,true);
		cxt.closePath();

		cxt.fill();
	}
	
}

function renderDigit(x,y,num,cxt){//此处的x，y
	cxt.fillStyle="rgb(0,102,153)";
	for(var i=0;i<digit[num].length;i++)
		for(var j=0;j<digit[num][i].length;j++)
			if(digit[num][i][j]==1){
				cxt.beginPath();
				cxt.arc(x+j*2*(RADIUS+1)+(RADIUS+1),y+i*2*(RADIUS+1)+(RADIUS+1),RADIUS,0,2*Math.PI);
				cxt.closePath();

				cxt.fill()


			}
}
		</script>
	</body>
</html>




index.html

<!DOCTYPE html>
<html style="100%">
	<head lang="en">
		<meta charset="utf-8">
		<title>canvas</title>
		<link rel="stylesheet" href="domo.css"/>
	</head>
	<body style="height:100%">
		<canvas id="canvas" style="width:100%;height:100%;">
		</canvas>


		<script type="text/javascript">
				digit =
    [
        [
            [0,0,1,1,1,0,0],
            [0,1,1,0,1,1,0],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,0,1,1,0],
            [0,0,1,1,1,0,0]
        ],//0
        [
            [0,0,0,1,1,0,0],
            [0,1,1,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [1,1,1,1,1,1,1]
        ],//1
        [
            [0,1,1,1,1,1,0],
            [1,1,0,0,0,1,1],
            [0,0,0,0,0,1,1],
            [0,0,0,0,1,1,0],
            [0,0,0,1,1,0,0],
            [0,0,1,1,0,0,0],
            [0,1,1,0,0,0,0],
            [1,1,0,0,0,0,0],
            [1,1,0,0,0,1,1],
            [1,1,1,1,1,1,1]
        ],//2
        [
            [1,1,1,1,1,1,1],
            [0,0,0,0,0,1,1],
            [0,0,0,0,1,1,0],
            [0,0,0,1,1,0,0],
            [0,0,1,1,1,0,0],
            [0,0,0,0,1,1,0],
            [0,0,0,0,0,1,1],
            [0,0,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,1,1,1,0]
        ],//3
        [
            [0,0,0,0,1,1,0],
            [0,0,0,1,1,1,0],
            [0,0,1,1,1,1,0],
            [0,1,1,0,1,1,0],
            [1,1,0,0,1,1,0],
            [1,1,1,1,1,1,1],
            [0,0,0,0,1,1,0],
            [0,0,0,0,1,1,0],
            [0,0,0,0,1,1,0],
            [0,0,0,1,1,1,1]
        ],//4
        [
            [1,1,1,1,1,1,1],
            [1,1,0,0,0,0,0],
            [1,1,0,0,0,0,0],
            [1,1,1,1,1,1,0],
            [0,0,0,0,0,1,1],
            [0,0,0,0,0,1,1],
            [0,0,0,0,0,1,1],
            [0,0,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,1,1,1,0]
        ],//5
        [
            [0,0,0,0,1,1,0],
            [0,0,1,1,0,0,0],
            [0,1,1,0,0,0,0],
            [1,1,0,0,0,0,0],
            [1,1,0,1,1,1,0],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,1,1,1,0]
        ],//6
        [
            [1,1,1,1,1,1,1],
            [1,1,0,0,0,1,1],
            [0,0,0,0,1,1,0],
            [0,0,0,0,1,1,0],
            [0,0,0,1,1,0,0],
            [0,0,0,1,1,0,0],
            [0,0,1,1,0,0,0],
            [0,0,1,1,0,0,0],
            [0,0,1,1,0,0,0],
            [0,0,1,1,0,0,0]
        ],//7
        [
            [0,1,1,1,1,1,0],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,1,1,1,0],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,1,1,1,0]
        ],//8
        [
            [0,1,1,1,1,1,0],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [1,1,0,0,0,1,1],
            [0,1,1,1,0,1,1],
            [0,0,0,0,0,1,1],
            [0,0,0,0,0,1,1],
            [0,0,0,0,1,1,0],
            [0,0,0,1,1,0,0],
            [0,1,1,0,0,0,0]
        ],//9
        [
            [0,0,0,0],
            [0,0,0,0],
            [0,1,1,0],
            [0,1,1,0],
            [0,0,0,0],
            [0,0,0,0],
            [0,1,1,0],
            [0,1,1,0],
            [0,0,0,0],
            [0,0,0,0]
        ]//:
    ];
		</script>
		<script type="text/javascript">
				var WINDOW_WIDTH=1024;
var WINDOW_HEIGHT=768;
var RADIUS=8;
var MARGIN_TOP=60;
var MARGIN_LEFT=30;

var endTime=new Date();
endTime.setTime(endTime.getTime()+10*1000);

var curShowTimeSeconds=0;

var balls=[];
const colors=["#33B5E5","#0099CC","#AA66CC","#9933CC","#99CC00","#669900","#FFBB33","#FF8800","#FF4444","#CC0000"]

window.onload=function(){

	WINDOW_WIDTH=document.body.clientWidth;
	WINDOW_HEIGHT=document.body.clientHeight;

	MARGIN_LEFT=Math.round(WINDOW_WIDTH/10);
	RADIUS=Math.round(WINDOW_WIDTH*4/5/108)-1;

	MARGIN_TOP=Math.round(WINDOW_HEIGHT/5);

	var canvas=document.getElementById("canvas");
	var context=canvas.getContext("2d");

	canvas.width=WINDOW_WIDTH;
	canvas.height=WINDOW_HEIGHT;

	curShowTimeSeconds=getCurrentShowTimeSeconds();
	

	setInterval(
		function(){
			render(context);
			update();
		},
		50
	);


}

function getCurrentShowTimeSeconds(){
	var curTime=new Date();
	var ret=endTime.getTime()-curTime.getTime();
	ret=Math.round(ret/1000);

	return ret>=0 ? ret:17*3600+5*60+20;
}




function update(){
	var nextShowTimeSeconds=getCurrentShowTimeSeconds();

	var nextHours=parseInt(nextShowTimeSeconds/3600);
	var nextMinutes=parseInt((nextShowTimeSeconds-nextHours*3600)/60);
	var nextSeconds=nextShowTimeSeconds%60;

	var curHours=parseInt(curShowTimeSeconds/3600);
	var curMinutes=parseInt((curShowTimeSeconds-curHours*3600)/60);
	var curSeconds=curShowTimeSeconds%60;


	if(nextSeconds!=curSeconds){
	  //小时变化检测
		if(parseInt(curHours/10)!=parseInt(nextHours/10)){
			addBalls(MARGIN_LEFT+0,MARGIN_TOP,parseInt(curHours/10));
		}
		if(parseInt(curHours%10)!=parseInt(nextHours%10)){
			addBalls(MARGIN_LEFT+15*(RADIUS+1),MARGIN_TOP,parseInt(curHours/10));
		}
	  //分钟变化检测
	    if(parseInt(curMinutes/10)!=parseInt(nextMinutes/10)){
			addBalls(MARGIN_LEFT+39*(RADIUS+1),MARGIN_TOP,parseInt(curMinutes/10));
		}
		if(parseInt(curMinutes%10)!=parseInt(nextMinutes%10)){
			addBalls(MARGIN_LEFT+54*(RADIUS+1),MARGIN_TOP,parseInt(curMinutes%10));
		}
	  //秒变化检测
	    if(parseInt(curSeconds/10)!=parseInt(nextSeconds/10)){
			addBalls(MARGIN_LEFT+78*(RADIUS+1),MARGIN_TOP,parseInt(curSeconds/10));
		}
		if(parseInt(curSeconds%10)!=parseInt(nextSeconds%10)){
			addBalls(MARGIN_LEFT+93*(RADIUS+1),MARGIN_TOP,parseInt(nextSeconds%10));
		}
		curShowTimeSeconds=nextShowTimeSeconds;
	}
	updateBalls();
	console.log(balls.length);
}



function updateBalls(){
	for(var i=0;i<balls.length;i++){
		balls[i].x +=balls[i].vx;
		balls[i].y +=balls[i].vy;
		balls[i].vy+=balls[i].g;

		if(balls[i].y>=WINDOW_HEIGHT-RADIUS){
			balls[i].y=WINDOW_HEIGHT-RADIUS;
			balls[i].vy=-balls[i].vy*0.75;
		}
	}


	var cnt=0;
	for(var i=0;i<balls.length;i++)
		if(balls[i].x+RADIUS>0&&balls[i].x-RADIUS<WINDOW_WIDTH)
			balls[cnt++]=balls[i];

		while(balls.length>cnt){
			balls.pop()
		}
	
}




function addBalls(x,y,num){
	for(var i=0;i<digit[num].length;i++)
		for(var j=0;j<digit[num][i].length;j++)
			if(digit[num][i][j]==1){
				var aBall={
					x:x+j*2*(RADIUS+1)+(RADIUS+1),
					y:y+i*2*(RADIUS+1)+(RADIUS+1),
					g:1.5+Math.random(),
					vx:Math.pow(-1,Math.ceil(Math.random()*1000))*4,
					vy:-5,
					color:colors[Math.floor(Math.random()*colors.length)]
				}

				balls.push(aBall)
			}
}




function render(cxt){

	cxt.clearRect(0,0,WINDOW_WIDTH,WINDOW_HEIGHT);

	var hours=parseInt(curShowTimeSeconds/3600);
	var minutes=parseInt((curShowTimeSeconds-hours*3600)/60);
	var seconds=curShowTimeSeconds%60;



	renderDigit(MARGIN_LEFT,MARGIN_TOP,parseInt(hours/10),cxt);
	renderDigit(MARGIN_LEFT+15*(RADIUS+1),MARGIN_TOP,parseInt(hours%10),cxt);
	renderDigit(MARGIN_LEFT+30*(RADIUS+1),MARGIN_TOP,10,cxt);
	renderDigit(MARGIN_LEFT+39*(RADIUS+1),MARGIN_TOP,parseInt(minutes/10),cxt);
	renderDigit(MARGIN_LEFT+54*(RADIUS+1),MARGIN_TOP,parseInt(minutes%10),cxt);
	renderDigit(MARGIN_LEFT+69*(RADIUS+1),MARGIN_TOP,10,cxt);
	renderDigit(MARGIN_LEFT+78*(RADIUS+1),MARGIN_TOP,parseInt(seconds/10),cxt);
	renderDigit(MARGIN_LEFT+93*(RADIUS+1),MARGIN_TOP,parseInt(seconds%10),cxt);
	

	for(var i=0;i<balls.length;i++){
		cxt.fillStyle=balls[i].color;
		cxt.beginPath();
		cxt.arc(balls[i].x,balls[i].y,RADIUS,0,2*Math.PI,true);
		cxt.closePath();

		cxt.fill();
	}
	
}

function renderDigit(x,y,num,cxt){//此处的x，y
	cxt.fillStyle="rgb(0,102,153)";
	for(var i=0;i<digit[num].length;i++)
		for(var j=0;j<digit[num][i].length;j++)
			if(digit[num][i][j]==1){
				cxt.beginPath();
				cxt.arc(x+j*2*(RADIUS+1)+(RADIUS+1),y+i*2*(RADIUS+1)+(RADIUS+1),RADIUS,0,2*Math.PI);
				cxt.closePath();

				cxt.fill()


			}
}
		</script>
	</body>
</html>
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