hw1 prototype

Part 2'

by Alvin Chen

HTML

<div id="info">hw1</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://jyunming-chen.github.io/tutsplus/js/KeyboardState.js"></script>

CSS

#info {
  position: absolute;
  top: 0px;
  width: 100%;
  padding: 10px;
  text-align: center;
  color: #ffff00
}

body {
  overflow: hidden;
}

JavaScript

var camera, scene, renderer, controls;
var keyboard = new KeyboardState();
var cylinder;
var brakeOn = false;

var pos, vel, force;
var angle = 0;
var theta = 0;
var toytrain;
var origin;
var go =false;

//var power;
var mass=1;
var clock = new THREE.Clock();
var power=0;
init();
animate();

function init() {
  scene = new THREE.Scene();

  camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 1000);

  scene.add(camera);

  var gridXZ = new THREE.GridHelper(100, 10);
  gridXZ.setColors(new THREE.Color(0xff0000), new THREE.Color(0xffffff));
  scene.add(gridXZ);
  
  
  
  THREE.ImageUtils.crossOrigin = ''; 
  bumpMap = THREE.ImageUtils.loadTexture('https://raw.githubusercontent.com/AlvinChen730/hw-pages/gh-pages/models4/bodybkgd.JPG');
  var loader = new THREE.ObjectLoader();
  loader.load ('https://raw.githubusercontent.com/AlvinChen730/hw-pages/gh-pages/models4/1967-shelby-ford-mustang.json', 
  function ( obj ) {
  	origin = new THREE.Object3D();
  	toytrain = obj.clone();
    toytrain.scale.set (3,3,3);
    toytrain.position.set(0,0,0);
    toytrain.rotation.y = Math.PI/2;
    origin.add( toytrain );
    scene.add(origin);
    toytrain.traverse (
    	function (mesh) {
      	if (mesh instanceof THREE.Mesh) {
        	mesh.material.map =bumpMap;
          mesh.material.bumpScale = 0.8;
        }
      });
  });

  renderer = new THREE.WebGLRenderer();
  renderer.setSize(window.innerWidth, window.innerHeight);
  renderer.setClearColor(0x888888);

  controls = new THREE.OrbitControls(camera, renderer.domElement);

	//////////////////////
  pos = new THREE.Vector3();
  vel = new THREE.Vector3();
  force = new THREE.Vector3();
  
  document.body.appendChild(renderer.domElement);
}


function computeForce() {
	//thrust
  force = new THREE.Vector3(1,0,0).applyAxisAngle (new THREE.Vector3(0,1,0), angle-theta).multiplyScalar (power);    
  
  // drag
  var alpha = 2.050;
  force.add ( vel.clone().multiplyScalar (-alpha) );
}


function...