threejs打造三维草坪效果-html代码-BFW代码库

threejs打造三维草坪效果

代码语言：html

所属分类：三维

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 charset="UTF-8">
    <style>
        body {
            background-color: #fff;
            margin: 0;
            overflow: hidden;
        }
        .label {
            position: absolute;
            top: 0;
            left: 0;
            padding: 5px 15px;
            color: #fff;
            font-size: 13px;
            background-color: rgba(0, 0, 0, .15);
        }
        .instructions {
            position: absolute;
            bottom: 0%;
            left: 0;
            padding: 5px 15px;
            color: #fff;
            font-size: 13px;
            background-color: rgba(0, 0, 0, .15);
        }
        canvas {
            display: block;
        }
    </style>


</head>
<body>

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

    <div class="label">
        GRASS
    </div>
    <div class="instructions">
        DRAG TO MOVE CAMERA
    </div>

    <script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/three.js"></script>
    <script src="http://repo.bfw.wiki/bfwrepo/js/OrbitControls.js"></script>
    <script src="http://repo.bfw.wiki/bfwrepo/js/perlin.js"></script>
    <script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/stats-min.js"></script>

    <script>


        var canvas = document.getElementById("canvas");

        var TWO_PI = Math.PI * 2;

        const mobile = (navigator.userAgent.match(/Android/i) || navigator.userAgent.match(/webOS/i) || navigator.userAgent.match(/iPhone/i) || navigator.userAgent.match(/iPod/i) || navigator.userAgent.match(/BlackBerry/i) || navigator.userAgent.match(/Windows Phone/i));


        //Variables for blade mesh
        var joints = 5;
        var w_ = 0.12;
        var h_ = 1;

        //Patch side length
        var width = 120;

        //Number of blades
        var instances = 50000;
        if (mobile) {
            instances = 10000;
            width = 50;
        }

        //Camera rotate
        var rotate = false;

        //Initialise three.js
        var scene = new THREE.Scene();

        var renderer = new THREE.WebGLRenderer({
            antialias: true,
            canvas: canvas
        });
        renderer.setPixelRatio(window.devicePixelRatio);
        renderer.setSize(window.innerWidth, window.innerHeight);
        renderer.setClearColor(0x66deff, 1);

        distance = 400;

        var FOV = 2 * Math.atan(window.innerHeight / (2 * distance)) * 90 / Math.PI;

        //Camera
        var camera = new THREE.PerspectiveCamera(FOV, window.innerWidth / window.innerHeight, 1, 20000);
        camera.position.set(-50, 10, 50);
        scene.add(camera);

        window.addEventListener('resize', onWindowResize, false);

        function onWindowResize() {
            camera.aspect = window.innerWidth / window.innerHeight;
            camera.updateProjec.........完整代码请登录后点击上方下载按钮下载查看