box2d实现重力自由落体球体碰撞交互动画效果代码-html代码-BFW代码库

box2d实现重力自由落体球体碰撞交互动画效果代码

代码语言：html

所属分类：动画

代码描述：box2d实现重力自由落体球体碰撞交互动画效果代码，点击屏幕位置可创建球体自由下落和碰撞运动。

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>

<head>

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

    <meta http-equiv="X-UA-Compatible" content="chrome=1">

    <meta http-equiv="Content-Type" content="text/html; charset = UTF-8" />

    <title></title>

    <style>

        body {

            overflow: hidden;

            background-color: #000000;



            user-select: none;

            -webkit-user-select: none;

            -moz-user-select: none;

            -o-user-select: none;

            -ms-user-select: none;



        }

    </style>

</head>

<body>



    <div id="canvas"></div>

    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/protoclass.js"></script>

    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/box2d.js"></script>


    <script>
        var canvas;

        var delta = [0, 0];
        var stage = [window.screenX, window.screenY, window.innerWidth, window.innerHeight];
        getBrowserDimensions();

        var themes = [["#10222B", "#95AB63", "#BDD684", "#E2F0D6", "#F6FFE0"],
            ["#362C2A", "#732420", "#BF734C", "#FAD9A0", "#736859"],
            ["#0D1114", "#102C2E", "#695F4C", "#EBBC5E", "#FFFBB8"],
            ["#2E2F38", "#FFD63E", "#FFB54B", "#E88638", "#8A221C"],
            ["#121212", "#E6F2DA", "#C9F24B", "#4D7B85", "#23383D"],
            ["#343F40", "#736751", "#F2D7B6", "#BFAC95", "#8C3F3F"],
            ["#000000", "#2D2B2A", "#561812", "#B81111", "#FFFFFF"],
            ["#333B3A", "#B4BD51", "#543B38", "#61594D", "#B8925A"]];
        var theme;

        var worldAABB, world, iterations = 1, timeStep = 1 / 15;

        var walls = [];
        var wall_thickness = 200;
        var wallsSetted = false;

        var bodies, elements, text;

        var createMode = false;
        var destroyMode = false;

        var isMouseDown = false;
        var mouseJoint;
        var mouse = {
            x: 0,
            y: 0
        };
        var gravity = {
            x: 0,
            y: 1
        };

        var PI2 = Math.PI * 2;

        var timeOfLastTouch = 0.........完整代码请登录后点击上方下载按钮下载查看