volleyball_Euler

by k6e2n0t12

HTML

<div id="info">volleyball demo
  <br/>
    <button id="shoot" style="width:15%">start</button>
  <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>
<script src="https://jyunming-chen.github.io/tutsplus/js/KeyboardState.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 keyboard = new KeyboardState();
var clock = new THREE.Clock();
var theta, v, phi=0, p = new THREE.Vector3(-4, 0.21, 0);
var m = 1, t=0;
var ball = new THREE.Object3D();
var ballMachine = new THREE.Object3D();
var barrel = new THREE.Object3D();
var turn = false;

$('#shoot').click(function() {
	turn = !turn;
  if(turn) clock.start();
  else {
  	clock.stop();
    t= 0;
    v = new THREE.Vector3(10*Math.cos(theta), 10*Math.sin(theta), 0);
    ball.position.copy(barrel.localToWorld(new THREE.Vector3(0, 1, 0)));
    p = barrel.localToWorld(new THREE.Vector3(0, 1, 0)).clone();
  }
	theta = Math.PI/2 + barrel.rotation.x;
  console.log(ballMachine.rotation.y+Math.PI/2);
  v = new THREE.Vector3(10*Math.cos(theta), 10*Math.sin(theta), -2*(ballMachine.rotation.y+Math.PI/2));
});

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, 10, 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.PlaneBufferGeometry(16,8,32),new THREE.MeshLambertMaterial({
  	side: THREE.DoubleSide,
    color: 0xffffff
  }));
  floor.rotation.x=-Math.PI/2;
	scene.add(floor);
  
  //ball
  var b = new THREE.Mesh(new THREE.SphereGeometry(0.105, 32, 32), new THREE.MeshBasicMaterial({color:0xff9224}));
  b.position.set (-0.105, 0, 0);
  ball.add(b);
  ball.position.set(-4, 0.21, 0);
  scene.add(ball);
  
  //Ball Machine 
  mesh = new THREE.Mesh(new...