canvas飓风旋转鼠标跟随尾巴动画效果代码

代码语言:html

所属分类:动画

代码描述:canvas飓风旋转鼠标跟随尾巴动画效果代码

代码标签: canvas 飓风 尾部 跟随 动画

下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">




</head>

<body>
  

    <canvas id="world"><p class="noCanvas">You need a <a href="https://www.google.com/chrome">modern browser</a> to view this.</p></canvas>
   

    <script>	
	/**
	 * With love.
	 * http://hakim.se/experiments/
	 * http://twitter.com/hakimel
	 */
	
	var SCREEN_WIDTH = 900;
	var SCREEN_HEIGHT = 600;
	
	var RADIUS = 110;
	
	var RADIUS_SCALE = 1;
	var RADIUS_SCALE_MIN = 1;
	var RADIUS_SCALE_MAX = 1.5;
	
	// The number of particles that are used to generate the trail
	var QUANTITY = 25;

	var canvas;
	var context;
	var particles;
	
	var mouseX = (window.innerWidth - SCREEN_WIDTH);
	var mouseY = (window.innerHeight - SCREEN_HEIGHT);
	var mouseIsDown = false;
	
	init();

	function init() {

		canvas = document.getElementById( 'world' );
		
		if (canvas && canvas.getContext) {
			context = canvas.getContext('2d');
			
			// Register event listeners
			document.addEventListener('mousemove', documentMouseMoveHandler, false);
			document.addEventListener('mousedown', documentMouseDownHandler, false);
			document.addEventListener('mouseup', documentMouseUpHandler, false);
			canvas.addEventListener('touchstart', canvasTouchStartHandler, false);
			canvas.addEventListener('touchmove', canvasTouchMoveHandler, false);
			window.addEventListener('resize', windowResizeHandler, false);
			
			createParticles();
			
			windowResizeHandler();
			
			setInterval( loop, 1000 / 60 );
		}
	}

	function createParticles() {
		particles = [];
		
		for (var i = 0; i < QUANTITY; i++) {
			var particle = {
				position: { x: mouseX, y: mouse.........完整代码请登录后点击上方下载按钮下载查看

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