three实现三维小鸟眼睛和头跟随鼠标转动扭动效果代码-html代码-BFW代码库

代码语言：html

所属分类：三维

代码描述：three实现三维小鸟眼睛和头跟随鼠标转动扭动效果代码

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);
#world {
  background: #e0dacd;
  position:absolute;
  width:100%;
  height:100%;
  overflow:hidden;
}
#instructions{
  position:absolute;
  width:100%;
  top:50%;
  margin: auto;
  margin-top:50px;
  font-family:'Open Sans', sans-serif;
  color:#b75505;
  font-size:.9em;
  text-transform: uppercase;
  text-align : center;
}
.lightInstructions {
  color:#b59b63;
  font-size:.8em;
}

#credits{
  position:absolute;
  width:100%;
  margin: auto;
  bottom:0;
  margin-bottom:20px;
  font-family:'Open Sans', sans-serif;
  color:#b59b63;
  font-size:0.7em;
  text-transform: uppercase;
  text-align : center;
}
#credits a {
  color:#b59b63;
}
</style>

</head>

<body>
    <!-- partial:index.partial.html -->
    <div id="world"></div>
    <div id="instructions">^<br/>Move the head of this bird<br/><span class="lightInstructions">and watch how the 2 others<br/>interact with him</span></div>

    <div id="credits">

    </div>
    <!-- partial -->
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.72.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/TweenMax.min.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/OrbitControls.72.js"></script>
    <script >
        //THREEJS RELATED VARIABLES 

var scene, 
    camera,
    controls,
    fieldOfView,
  	aspectRatio,
  	nearPlane,
  	farPlane,
    shadowLight, 
    backLight,
    light, 
    renderer,
		container;

//SCENE
var floor, brid1, bird2;

//SCREEN VARIABLES

var HEIGHT,
  	WIDTH,
    windowHalfX,
  	windowHalfY,
    mousePos = {x:0,y:0};


//INIT THREE JS, SCREEN AND MOUSE EVENTS

function init(){
  scene = new THREE.Scene();
  HEIGHT = window.innerHeight;
  WIDTH = window.innerWidth;
  aspectRatio = WIDTH / HEIGHT;
  fieldOfView = 60;
  nearPlane = 1;
  farPlane = 2000; 
  camera = new THREE.PerspectiveCamera(
    fieldOfView,
    aspectRatio,
    nearPlane,
    farPlane);
  camera.position.z = 1000;  
  camera.position.y = 300;
  camera.lookAt(new THREE.Vector3(0,0,0));    
  renderer = new THREE.WebGLRenderer({alpha: true, antialias: true });
  renderer.setPixelRatio(window.devicePixelRatio); 
  renderer.setSize(WIDTH, HEIGHT);
  renderer.shadowMapEnabled = true;
  
  container = document.getElementById('world');
  container.appendChild(renderer.domElement);

  windowHalfX = WIDTH / 2;
  windowHalfY = HEIGHT / 2;
    
  window.addEventListener('resize', onWindowResize, false);
  document.addEventListener('mousemove', handleMouseMove, false);
  document.addEventListener('touchstart', handleTouchStart, false);
	document.addEventListener('touchend', handleTouchEnd, false);
	document.addEventListener('touchmove',handleTouchMove, false);
  /*
  controls = new THREE.OrbitControls( camera, renderer.domElement);
  //*/
}

function onWindowResize() {
  HEIGHT = window.innerHeight;
  WIDTH = window.innerWidth;
  windowHalfX = WIDTH / 2;
  windowHalfY = HEIGHT / 2;
  renderer.setSize(WIDTH, HEIGHT);
  camera.aspect = WIDTH / HEIGHT;
  camera.updateProjectionMatrix();
}

function handleMouseMove(event) {
  mousePos = {x:event.clientX, y:event.clientY};
}

function handleTouchStart(event) {
  if (event.touches.length > 1) {
    event.preventDefault();
		mousePos = {x:event.touches[0].pageX, y:event.touches[0].pageY};
  }
}

function handleTouchEnd(event) {
    mousePos = {x:windowHalfX, y:windowHalfY};
}

function handleTouchMove(event) {
  if (event.touches.length == 1) {
    event.preventDefault();
		mousePos = {x:event.touches[0].pageX, y:event.touches[0].pageY};
  }
}

function createLights() {
  light = new THREE.HemisphereLight(0xffffff, 0xffffff, .5)
  
  shadowLight = new THREE.DirectionalLight(0xffffff, .8);
  shadowLight.position.set(200, 200, 200);
  shadowLight.castShadow = true;
  shadowLight.shadowDarkness = .2;
 	
  backLight = new THREE.DirectionalLight(0xffffff, .4);
  backLight.position.set(-100, 200, 50);
  backLight.shadowDarkness = .1;
  backLight.castShadow = true;
 	
  scene.add(backLight);
  scene.add(light);
  scene.add(shadowLight);
}

//BIRD

Bird = function(){
  
  this.rSegments = 4;
  this.hSegments = 3;
  this.cylRay = 120;
  this.bodyBirdInitPositions = [];
  this.vAngle = this.hAngle = 0;
  this.normalSkin = {r:255/255, g:222/255, b:121/255};
  this.shySkin = {r:255/255, g:157/255, b:101/255};
  this.color = {r:this.normalSkin.r, g:this.normalSkin.g, b:this.normalSkin.b};
  this.side = "left";
  
  this.shyAngles = {h:0, v:0};
  this.behaviourInterval;
  this.intervalRunning = false;
  
  this.threegroup = new THREE.Group();
  
  // materials
  this.yellowMat = new THREE.MeshLambertMaterial ({
    color: 0xffde79, 
    shading:THREE.FlatShading
  });
  this.whiteMat = new THREE.MeshLambertMaterial ({
    color: 0xffffff,
    shading: THREE.FlatShading
  });
  this.blackMat = new THREE.MeshLambertMaterial ({
    color: 0x000000,
    shading: THREE.FlatShading
  });
  this.orangeMat = new THREE.MeshLambertMaterial ({
    color: 0xff5535,
    shading: THREE.FlatShading
  });
  
  //WINGS
  
  this.wingLeftGroup = new THREE.Group();
  this.wingRightGroup = new THREE.Group();
 
  var wingGeom = new THREE.BoxGeometry(60,60, 5);
  var wingLeft = new THREE.Mesh(wingGeom, this.yellowMat);
  this.wingLeftGroup.add(wingLeft);
  this.wingLeftGroup.position.x = 70;
  this.wingLeftGroup.position.z = 0;
  this.wingLeftGroup.rotation.y = Math.PI/2;
  wingLeft.rotation.x = -Math.PI/4;
  var wingRight = new THREE.Mesh(wingGeom, this.yellowMat);
  this.wingRightGroup.add(wingRight);
  this.wingRightGroup.position.x = -70;
  this.wingRightGroup.position.z = 0;
  this.wingRightGroup.rotation.y = -Math.PI/2;
  wingRight.rotation.x = -Math.PI/4;
  
  //BODY
  
  var bodyGeom = new THREE.CylinderGeometry(40, 70, 200, this.rSegments, this.hSegments);
  this.bodyBird = new THREE.Mesh(bodyGeom, this.yellowMat);
  this.bodyBird.position.y = 70;
  
  this.bodyVerticesLength = (this.rSegments+1)*(this.hSegments);
  for (var i=0;i<this.bodyVerticesLength; i++){
    var tv = this.bodyBird.geometry.vertices[i];
    this.bodyBirdInitPositions.push({x:tv.x, y:tv.y, z:tv.z});
  }
  
  this.threegroup.add(this.bodyBird);
  this.threegroup.add(this.wingLeftGroup);
  this.threegroup.add(this.wingRightGroup);
  
  
  // EYES
  
  this.face = new THREE.Group();
  var eyeGeom = new THREE.BoxGeometry(60,60,10);
  var irisGeom = new THREE.BoxGeometry(10,10,10);
  
  this.leftEye = new THREE.Mesh(eyeGeom, this.whiteMat);
  this.leftEye.position.x = -30;
  this.leftEye.position.y = 120;
  this.leftEye.position.z = 35;
  this.leftEye.rotation.y = -Math.PI/4;
  
  this.leftIris = new THREE.Mesh(irisGeom, this.blackMat);
  this.leftIris.position.x = -30;
  this.leftIris.position.y = 120;
  thi.........完整代码请登录后点击上方下载按钮下载查看