volleyball

by YouTingKuo

HTML

<div id="info">volleyball demo
  <br/>
  <br/>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r70/three.min.js"></script>
<script src="https://dl.dropboxusercontent.com/u/3587259/Code/Threejs/OrbitControls.js"></script>
<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>

CSS

#info {
  position: absolute;
  top: 2%;
  width: 100%;
  padding: 10px;
  text-align: center;
  color: #ffff00
}

body {
  overflow: hidden;
}

JavaScript

var scene, renderer, camera;
var controls;
var clock = new THREE.Clock();
var theta = Math.PI/3;
var V0 = 10, Vx = V0*Math.cos(theta), Vy = V0*Math.sin(theta);
var y0 = 1, t=0, dT;
var ball;

init();
animate();


function init() {
  scene = new THREE.Scene();
  renderer = new THREE.WebGLRenderer();
  renderer.setSize(window.innerWidth, window.innerHeight);
  renderer.setClearColor(0x888888);
  document.body.appendChild(renderer.domElement);

  camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 1000);
  camera.position.set(0, 5, 10);
  controls = new THREE.OrbitControls(camera, renderer.domElement);

  light = new THREE.PointLight(0xffffff);
  light.position.set(0,500,500);
  scene.add(light);
  
  var geometry = new THREE.BoxGeometry(100, 20, 20);
  var material = new THREE.MeshBasicMaterial({
    wireframe: true
  });
	floor = new THREE.Mesh(new THREE.PlaneGeometry(16,8,32),new THREE.MeshLambertMaterial({
  	side: THREE.DoubleSide,
    color: 0xffffff
  }));
  floor.rotation.x=-Math.PI/2;
	scene.add(floor);
	
  ball = new THREE.Mesh(new THREE.SphereGeometry(0.105, 32, 32), new THREE.MeshBasicMaterial());
  ball.position.set(-4, 1, 0);
  scene.add(ball);
  
  cylinder = new THREE.Mesh(new THREE.CylinderGeometry(0.1,0.1,2.55,32),new THREE.MeshLambertMaterial({
  	side: THREE.DoubleSide,
    color: 0xffffff
  }));
  cylinder2 = new THREE.Mesh(new THREE.CylinderGeometry(0.1,0.1,2.55,32),new THREE.MeshLambertMaterial({
  	side: THREE.DoubleSide,
    color: 0xffffff
  }));
  cylinder.position.set(0,2.55/2,5);
  cylinder2.position.set(0,2.55/2,-5);
  scene.add(cylinder);
  scene.add(cylinder2);
  
  net =new THREE.Mesh(new THREE.PlaneGeometry(1,8,32),new THREE.MeshLambertMaterial({
  	side: THREE.DoubleSide,
    color: 0xffffff
  })); 
  net.position.set(0,1.93,0);
  net.rotation.z=Math.PI/2;
  net.rotation.y=Math.PI/2;
  scene.add(net);
  
  
  window.addEventListener('resize', onWindowResize, false);
}

function onWindowResize() {
 ...