threejs打造一个鼠标跟随点击跳跃的三维山羊效果代码-html代码-BFW代码库

代码语言：html

所属分类：三维

代码描述：threejs打造一个鼠标跟随点击跳跃的三维山羊效果代码

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">
  

  
<style>
@import url(https://fonts.googleapis.com/css2?family=Roboto:wght@400;700);
.app {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  overflow: hidden;
}

* {
  -webkit-tap-highlight-color: transparent;
}

.scene-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background: rgb(85,121,56);
  background-image: linear-gradient(0deg, #7cb64c 0%, #81a459  100%);
}

.infos {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 84px;
  z-index: 1;
  text-align: center;
  pointer-events: none;
  color: #fff;
  font-family:'Roboto', sans-serif;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.instructions {
  margin-bottom: 10px;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  line-height: 1.3;
  padding: 0 50px;
}

.infos .link {
  pointer-events: all;
  cursor: pointer;
  text-decoration: none;
  color: #000000;
  font-weight: bold;
  transition: all 0.5s ease-out;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
}
.infos .link:hover {
  color: #fff;
}
</style>


</head>

<body >
  <div class='scene-background'></div>
  <canvas class='app'></canvas>
  <div class='infos'>
    <p class='instructions'>
      Click and hold to make the sheep jump the highest.
    </p>
  
  </div>

<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.126.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/GLTFLoader.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/BufferGeometryUtils.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/gsap.3.5.2.js"></script>
      <script >
//THREEJS Variables
let renderer,
camera,
scene,
background,
floor,
cameraTarget = new THREE.Vector3(),
shadowLight,
keyLight,
hemiLight,
sheepGroup,
spaceGroup,
cloudsGroup,
treeGroup,
head,
poo,
corps,
eyeLeft,
eyeRight,
pupilleLeft,
pupilleRight;


let isDown = false,
downCounter = 0,
pooCounter = 0,
status = 'default',
mouse = { x: 0, y: 0 },
currentJumpStemp = 0;


// Whole config
const CONFIG = {
  CAMERA: {
    fov: 45,
    nearPlane: 1,
    farPlane: 20 },

  PHYSICS: {
    gravity: 0.1,
    falling: false,
    colorize: false,
    force: 0,
    forceTarget: 0 },

  BLINK: {
    delay: THREE.MathUtils.randInt(100, 300),
    counter: 0,
    length: 7,
    double: false },

  STEPS: [
  {
    altitude: 2,
    impulse: 0.2,
    angle: 10,
    diffStart: 0,
    flyingLerp: 0.05,
    colorStart: '#cfe1e3',
    colorEnd: '#cfe1e3' },

  {
    altitude: 6,
    impulse: 0.15,
    angle: 22,
    diffStart: 0,
    flyingLerp: 0.05,
    colorStart: '#51c7ab',
    colorEnd: '#51b1c7' },

  {
    altitude: 12,
    impulse: 0.1,
    angle: 30,
    diffStart: 1.5,
    flyingLerp: 0.03,
    colorStart: '#6eaceb',
    colorEnd: '#4f9be8' },

  {
    altitude: 30,
    impulse: 0.05,
    angle: 40,
    diffStart: 3,
    flyingLerp: 0.015,
    colorStart: '#0f0d1c',
    colorEnd: '#000000' }],


  COLORS: {
    clouds: 0xfefae0,
    floor: 0x4b6b30,
    tree: 0x1a1412,
    leaf: 0x133019,
    poo: 0x402e2a,
    white: new THREE.Color(1, 1, 1),
    red: new THREE.Color(0xf71735) } };



//Backgrounds colors
const backgrounds = [];

// INIT THREEJS 
function init() {
  scene = new THREE.Scene();
  scene.fog = new THREE.Fog(0x4b6b30, CONFIG.CAMERA.nearPlane, CONFIG.CAMERA.farPlane * 0.5);
  camera = new THREE.PerspectiveCamera(CONFIG.CAMERA.fov, window.innerWidth / window.innerHeight, CONFIG.CAMERA.nearPlane, CONFIG.CAMERA.farPlane);
  camera.position.set(0, 2, 5);

  renderer = new THREE.WebGLRenderer({
    alpha: true,
    antialias: true,
    canvas: document.querySelector(".app") });

  renderer.shadowMap.enabled = true;
  renderer.shadowMap.type = THREE.PCFSoftShadowMap;
  renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
  renderer.setSize(window.innerWidth, window.innerHeight);

  window.addEventListener("resize", onResize);
  window.addEventListener("mousedown", onDown);
  window.addEventListener("touchstart", onDown);
  window.addEventListener("mouseup", onUp);
  window.addEventListener("touchend", onUp);
  window.addEventListener("mousemove", onMove);
  window.addEventListener("touchmove", onTouchMove);
  window.addEventListener("keydown", onKeyDown);
  window.addEventListener("keyup", onKeyUp);
}

function addFloor() {
  floor = new THREE.Mesh(new THREE.PlaneGeometry(1, 1, 1), new THREE.MeshLambertMaterial({ color: CONFIG.COLORS.floor }));
  floor.rotation.x = -Math.PI / 2;
  floor.position.z = 1;
  floor.receiveShadow = true;
  floor.scale.set(20, 10, 1);
  scene.add(floor);
}

function addSheep() {
  const loader = new THREE.GLTFLoader();
  loader.load(
  '//repo.bfw.wiki/bfwrepo/threemodel/sheep.gltf',
  gltf => {
    sheepGroup = gltf.scene;
    sheepGroup.position.set(0, 0, 0.8);
    sheepGroup.scale.set(0.5, 0.5, 0.5);
    sheepGroup.receiveShadow = true;
    sheepGroup.castShadow = true;
    sheepGroup.rotation.y = THREE.MathUtils.degToRad(-50);
    scene.add(sheepGroup);

    poo = new THREE.Mesh(new THREE.BoxGeometry(0.25, 0.25, 0.25), new THREE.MeshLambertMaterial({ fog: false, color: CONFIG.COLORS.poo }));
    poo.name = "poo";
    poo.position.set(0, -0.2, 0);
    poo.userData.position = poo.position.clone();
    sheepGroup.add(poo);

    const exceptions = ['corps', 'Head', 'Nose', 'Face', 'EyeLeft', 'EyeRight'];

    sheepGroup.traverse(child => {
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