hw1 prototype

Part 2'

by oKLo

HTML

<div id="info">hw1
  <br>Press space to stop</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 angle = 0;
var pos, vel, force;
var mass = 1;
var r=0;
var clock = new THREE.Clock();

init();
animate();

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

  camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 1000);
  camera.position.z = 500;
  scene.add(camera);

  // add my cylinder


  var gridXZ = new THREE.GridHelper(100, 10);
  gridXZ.setColors(new THREE.Color(0xff0000), new THREE.Color(0xffffff));
  scene.add(gridXZ);

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

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

  //////////////////////
  var geometry = new THREE.Geometry();
  // add vertices
  geometry.vertices.push(new THREE.Vector3(0, 0, -10));
  geometry.vertices.push(new THREE.Vector3(30, 0, 0));
  geometry.vertices.push(new THREE.Vector3(0, 0, 10));
  geometry.vertices.push(new THREE.Vector3(0, 10, 0));

  // add faces
  geometry.faces.push(new THREE.Face3(0, 2, 1));
  geometry.faces.push(new THREE.Face3(2, 3, 1));
  geometry.faces.push(new THREE.Face3(1, 0, 3));
  geometry.faces.push(new THREE.Face3(0, 3, 2));

  // build necessary information
  geometry.computeBoundingSphere();
  geometry.computeFaceNormals();
  geometry.computeVertexNormals();
  var mesh = new THREE.Mesh(geometry, new THREE.MeshNormalMaterial({
    side: THREE.DoubleSide
  }));
  //scene.add (mesh);
  boat = new THREE.Object3D();
  boat.add(mesh);
  scene.add(boat);

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


function computeForce() {
 if (keyboard.down("space")) {
  	force = new THREE.Vector3 (0,0,0);
  }
 else if (keyboard.down("up")) {
    force = new THREE.Vector3(1, 0, 0).applyAxisAngle(new THREE.Vector3(0, 1, 0), angle).multiplyScalar(50);
  }
else if...