canvas实现熊熊大火燃烧动画效果代码-html代码-BFW代码库

canvas实现熊熊大火燃烧动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas实现熊熊大火燃烧动画效果代码，点击任意区域可放火。

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">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">

		<style type="text/css">
			body {
				background-color: #000000;
				margin: 0px;
			}
			canvas {
				display: block;
				image-rendering: pixelated;
			}
			#info {
				position: absolute;
				top: 5px;
				width: 100%;
				color: #f06000;
				font-family: Monospace;
				font-size: 13px;
				text-align: center;
			}
		</style>
	</head>
	<body>
	

		<div id="container"></div>
		<div id="info">Click/Touch to create flames.</div>		

		<script type="text/javascript">

			var QUALITY = 6;
			var WIDTH = Math.floor(window.innerWidth / QUALITY);
			var HEIGHT = Math.floor(window.innerHeight / QUALITY);
			var SIZE = WIDTH * HEIGHT;

			var context, image, data,
			buffer1, buffer2, turbulence,

			isUserInteracting, pointers, count = 0;

			init();

			function init() {

				var container, canvas;

				container = document.getElementById('container');

				canvas = document.createElement("canvas");
				canvas.width = WIDTH;
				canvas.height = HEIGHT;
				canvas.style.width = window.innerWidth + "px";
				canvas.style.height = window.innerHeight + "px";
				container.appendChild(canvas);

				context = canvas.getContext("2d");
				context.fillStyle = "rgb(0, 0, 0)";
				context.fillRect (0, 0, WIDTH, HEIGHT);
				image = context.getImageData(0, 0, WIDTH, HEIGHT);
				data = image.data;

				buffer1 = [];
				buffer2 = [];
				turbulence = [];

				for (var i = 0; i < SIZE + WIDTH; i ++) {

					buffer1[i] = 0;
					buffer2[i] = 0;
					turbulence[i] = Math.random();
				}

				document.addEventListener('mousedown', onDocumentMouseDown, false);
				document.addEventListener('mousemove', onDocumentMouseMove, false);
				document.addEventListener('mouseup', onDocumentMouseUp, false);
				document.addEventListener('mouseout', onDocumentMouseOut, false);

				document.addEventListener('touchstart', onDocumentTouchStart, false);
				documen.........完整代码请登录后点击上方下载按钮下载查看