three实现立方体爬上楼梯堆叠动画效果代码-html代码-BFW代码库

three实现立方体爬上楼梯堆叠动画效果代码

代码语言：html

所属分类：三维

代码描述：three实现立方体爬上楼梯堆叠动画效果代码

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/css?family=Open+Sans:800);
body{
    margin: 0;
    padding: 0;
    overflow: hidden;
}
footer{
    position: absolute;
    padding: 15px;
    bottom: 0;

}
footer a{
    font-family:'Open Sans', sans-serif;
    font-size: 14px;
    color: #212121;
    text-decoration: underline;
}
</style>

  


</head>

<body>

<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/TweenMax.min.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.72.js"></script>
      <script>
var that;
var StairwayCubes = function () {
  this.scene = new THREE.Scene();
  that = this;
};

StairwayCubes.prototype.init = function () {
  this.createCamera();
  this.createRenderer();

  this.createBoxes();

  this.createFloor();
  this.createLights();

  this.animateBoxes();

  this.render();
};

StairwayCubes.prototype.createCamera = function () {
  this.camera = new THREE.OrthographicCamera(window.innerWidth / -2, window.innerWidth / 2, window.innerHeight / 2, window.innerHeight / -2, -1000, 1000);
  this.camera.position.x = 100;
  this.camera.position.y = 100;
  this.camera.position.z = 100;

  this.camera.lookAt(new THREE.Vector3(0, 0, 0));
  this.camera.zoom = 1.1;
  this.camera.updateProjectionMatrix();

  //Adjust the scene to center the stairs
  this.scene.position.z = 150;
  this.scene.position.y = -50;
};

StairwayCubes.prototype.createRenderer = function () {
  this.renderer = new THREE.WebGLRenderer({ antialias: true });
  this.renderer.setSize(window.innerWidth, window.innerHeight);
  this.renderer.setClearColor(0xf2f2f2);
  this.renderer.shadowMapEnabled = true;
  this.renderer.shadowMapType = THREE.PCFSoftShadowMap;
  this.renderer.shadowMapSoft = true;
  document.body.appendChild(this.renderer.domElement);
  //window.addEventListener('resize', this.onWindowResize, false);
};

StairwayCubes.prototype.createBoxes = function () {
  this.numberOfStairs = 4;
  this.repeatBoxeAnimation = this.numberOfStairs - 1;
  this.stairs = [];
  var positionZStart = -25; //start position of the stairs on their Z axis


  var geometry = new THREE.BoxGeometry(50, 50, 50);
  var material = new THREE.MeshLambertMaterial({ color: 0xf2f2f2, shading: THREE.FlatShading });

  //boxe container is usefull to rotate the boxe around his edge
  this.boxeContainer = new THREE.Object3D();
  this.boxeContainer.rotation.x = -2 * Math.PI;
  this.boxeContainer.position.y = 50;
  this.boxeContainer.position.z = -50;

  this.boxe = new THREE.Mesh(geometry, material);
  this.boxe.position.x = 0;
  this.boxe.position.y = -25;
  this.boxe.position.z = 25;
  this.boxe.castShadow = true;

  this.boxeContainer.add(this.boxe);
  this.scene.add(this.boxeContainer);

  //We create the stairs
  var geometryStair = new THREE.BoxGeometry(50, 51, 50);
  geometryStair.applyMatrix(new THREE.Matrix4().makeTranslation(0, 25, 0)); //permit to change the origin point to the box floor

  for (var i = 1; i <= this.numberOfStairs; i++) {
    this.stairs[i] = new THREE.Mesh(geometryStair, material);
    this.stairs[i].position.y = -1;
    this.stairs[i].position.z = positionZStart - 50;
    this.stairs[i].scale.y = 0;
    this.stairs[i].castShadow = true;
    positionZStart -= 50;
    this.scene.add(this.stairs[i]);
  }
};

StairwayCubes.prototype.createFl.........完整代码请登录后点击上方下载按钮下载查看