24-THREE.JS 镜面高光材质

<!DOCTYPE html>

<html>

<head>

    <title>Example 04.07 - Mesh Phong material</title>

   <script src="https://cdn.bootcss.com/three.js/r67/three.js"></script>

    <script src="https://cdn.bootcss.com/stats.js/r10/Stats.min.js"></script>

    <script type="text/javascript" src="https://cdn.bootcss.com/dat-gui/0.7.3/dat.gui.js"></script>

    <script type="text/javascript" src="../libs/CanvasRenderer.js"></script>

    <script type="text/javascript" src="../libs/Projector.js"></script>

    <style>

        body {

            margin: 0;

            overflow: hidden;

        }

    </style>

</head>

<body>

<div id="Stats-output">

</div>

<div id="WebGL-output">

</div>

<script type="text/javascript">

    // 初始化

    function init() {

        var stats = initStats();

        // 场景

        var scene = new THREE.Scene();

        // 创建一个相机

        var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 1000);

        // 创建一个渲染器

        var renderer;

        var webGLRenderer = new THREE.WebGLRenderer();

        webGLRenderer.setClearColor(new THREE.Color(0xEEEEEE, 1.0));

        webGLRenderer.setSize(window.innerWidth, window.innerHeight);

        webGLRenderer.shadowMapEnabled = true;

        var canvasRenderer = new THREE.CanvasRenderer();

        canvasRenderer.setSize(window.innerWidth, window.innerHeight);

        renderer = webGLRenderer;

        var groundGeom = new THREE.PlaneGeometry(100, 100, 4, 4);

        var groundMesh = new THREE.Mesh(groundGeom, new THREE.MeshBasicMaterial({color: 0x555555}));

        groundMesh.rotation.x = -Math.PI / 2;

        groundMesh.position.y = -20;

        scene.add(groundMesh);

        var sphereGeometry = new THREE.SphereGeometry(14, 20, 20);

        var cubeGeometry = new THREE.BoxGeometry(15, 15, 15);

        var planeGeometry = new THREE.PlaneGeometry(14, 14, 4, 4);

        var meshMaterial = new THREE.MeshPhongMaterial({color: 0x7777ff});

        var sphere = new THREE.Mesh(sphereGeometry, meshMaterial);

        var cube = new THREE.Mesh(cubeGeometry, meshMaterial);

        var plane = new THREE.Mesh(planeGeometry, meshMaterial);

        sphere.position.x = 0;

        sphere.position.y = 3;

        sphere.position.z = 2;

        cube.position = sphere.position;

        plane.position = sphere.position;

        // 把正方体添加到场景中去

        scene.add(cube);

        // 设置相机的坐标

        camera.position.x = -20;

        camera.position.y = 30;

        camera.position.z = 40;

        camera.lookAt(new THREE.Vector3(10, 0, 0));

        // add subtle ambient lighting

//        var ambientLight = new THREE.AmbientLight(0x0c0c0c);

//        scene.add(ambientLight);

        // 添加聚光灯

        var spotLight = new THREE.SpotLight(0xffffff);

        spotLight.position.set(-0, 30, 60);

        spotLight.castShadow = true;

        spotLight.intensity = 0.6;

        scene.add(spotLight);

        // 把渲染后的结果放到DOM元素中去

        document.getElementById("WebGL-output").appendChild(renderer.domElement);

        var step = 0;

        var controls = new function () {

            this.rotationSpeed = 0.02;

            this.bouncingSpeed = 0.03;

            this.opacity = meshMaterial.opacity;

            this.transparent = meshMaterial.transparent;

            this.overdraw = meshMaterial.overdraw;

            this.visible = meshMaterial.visible;

            this.emissive = meshMaterial.emissive.getHex();

            this.ambient = meshMaterial.ambient.getHex();

            this.specular = meshMaterial.specular.getHex();

            this.shininess = meshMaterial.shininess;

            this.side = "front";

            this.color = meshMaterial.color.getStyle();

            this.metal = false;

            this.wrapAround = false;

            this.wrapR = 1;

            this.wrapG = 1;

            this.wrapB = 1;

            this.selectedMesh = "cube";

        };

        var gui = new dat.GUI();

        var spGui = gui.addFolder("Mesh");

        spGui.add(controls, 'opacity', 0, 1).onChange(function (e) {

            meshMaterial.opacity = e

        });

        spGui.add(controls, 'transparent').onChange(function (e) {

            meshMaterial.transparent = e

        });

        spGui.add(controls, 'visible').onChange(function (e) {

            meshMaterial.visible = e

        });

        spGui.addColor(controls, 'ambient').onChange(function (e) {

            meshMaterial.ambient = new THREE.Color(e)

        });

        spGui.addColor(controls, 'emissive').onChange(function (e) {

            meshMaterial.emissive = new THREE.Color(e)

        });

        spGui.addColor(controls, 'specular').onChange(function (e) {

            meshMaterial.specular = new THREE.Color(e)

        });

        spGui.add(controls, 'shininess', 0, 200).onChange(function (e) {

            meshMaterial.shininess = e

        });

        spGui.add(controls, 'side', ["front", "back", "double"]).onChange(function (e) {

            console.log(e);

            switch (e) {

                case "front":

                    meshMaterial.side = THREE.FrontSide;

                    break;

                case "back":

                    meshMaterial.side = THREE.BackSide;

                    break;

                case "double":

                    meshMaterial.side = THREE.DoubleSide;

                    break;

            }

            meshMaterial.needsUpdate = true;

            console.log(meshMaterial);

        });

        spGui.addColor(controls, 'color').onChange(function (e) {

            meshMaterial.color.setStyle(e)

        });

        spGui.add(controls, 'selectedMesh', ["cube", "sphere", "plane"]).onChange(function (e) {

            scene.remove(plane);

            scene.remove(cube);

            scene.remove(sphere);

            switch (e) {

                case "cube":

                    scene.add(cube);

                    break;

                case "sphere":

                    scene.add(sphere);

                    break;

                case "plane":

                    scene.add(plane);

                    break;

            }

            scene.add(e);

        });

        spGui.add(controls, 'metal').onChange(function (e) {

            meshMaterial.metal = e;

            meshMaterial.needsUpdate = true;

        });

        spGui.add(controls, 'wrapAround').onChange(function (e) {

            meshMaterial.wrapAround = e;

            meshMaterial.needsUpdate = true;

        });

        spGui.add(controls, 'wrapR', 0, 1).step(0.01).onChange(function (e) {

            meshMaterial.wrapRGB.x = e;

        });

        spGui.add(controls, 'wrapG', 0, 1).step(0.01).onChange(function (e) {

            meshMaterial.wrapRGB.y = e;

        });

        spGui.add(controls, 'wrapB', 0, 1).step(0.01).onChange(function (e) {

            meshMaterial.wrapRGB.z = e;

        });

        render();

        function render() {

            stats.update();

            cube.rotation.y = step += 0.01;

            plane.rotation.y = step;

            sphere.rotation.y = step;

            requestAnimationFrame(render);

            renderer.render(scene, camera);

        }

        function initStats() {

            var stats = new Stats();

            stats.setMode(0); // 0: fps, 1: ms

            stats.domElement.style.position = 'absolute';

            stats.domElement.style.left = '0px';

            stats.domElement.style.top = '0px';

            document.getElementById("Stats-output").appendChild(stats.domElement);

            return stats;

        }

    }

    window.onload = init;

</script>

</body>

</html>

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24-THREE.JS 镜面高光材质

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