CG stopwatch (HW1)

buttons

by j91157j91157

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/84/three.min.js"></script>
<script src="https://threejs.org/examples/js/controls/OrbitControls.js"></script>
<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>

<div id="info">
  <button id="toggle" style="width:20%">Toggle Turn</button>
  <button id="style" style="width:20%">Change Style</button>
</div>

CSS

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

body {
  overflow: hidden;
}

JavaScript

var scene, renderer, camera, controls;
var aou, ring, cube, circle, turn = false;
var hue = 0, hue_invers = 0;
var startTime, angle = 0, angleNow = 0, temp = 0;
var clock = new THREE.Clock();
var pi = 2*Math.PI/6;
var pot_small, pot_large;

init();
animate();

$("#toggle").click(function() {
  turn = !turn;
  if (turn) startTime = clock.getElapsedTime();
  else temp = angle;
});

$("#style").click(function(){
	ring.material.visible = !ring.material.visible;
  aou.visible = !aou.visible;
  aou_background.visible = !aou_background.visible;
})

function init() {
  scene = new THREE.Scene();
  renderer = new THREE.WebGLRenderer();
  renderer.setSize(window.innerWidth, window.innerHeight);
  renderer.setClearColor(0x000000);
  document.body.appendChild(renderer.domElement);

  camera = new THREE.PerspectiveCamera(10, window.innerWidth / window.innerHeight, 1, 1000);
  camera.position.z = 500;
  controls = new THREE.OrbitControls(camera, renderer.domElement);

  var geometry_ring = new THREE.RingGeometry(10, 25, 32);
	var material_ring = new THREE.MeshBasicMaterial({side: THREE.DoubleSide});
  ring = new THREE.Mesh(geometry_ring, material_ring);
  scene.add(ring);
  
  var geometry_cube = new THREE.BoxGeometry( 2, 26, 1 );
  var material_aou = new THREE.MeshBasicMaterial({color: 0xffffff});
  cube = new THREE.Mesh(geometry_cube, material_aou);
  cube.position.y = 13;
  
  var geometry_cone = new THREE.ConeGeometry( 2, 10, 32 );
  cone = new THREE.Mesh(geometry_cone, material_aou);
  cone.position.y = 31;
  
  circle = new THREE.Mesh(geometry_ring, new THREE.MeshBasicMaterial({side: THREE.DoubleSide}));
  
  pot_small = new THREE.Mesh(new THREE.CircleGeometry( 2, 32 ), new THREE.MeshBasicMaterial({side: THREE.DoubleSide}));
  
  pot_large = new THREE.Mesh(new THREE.CircleGeometry( 5, 8 ), new THREE.MeshBasicMaterial({side: THREE.DoubleSide}));
  
  //小點的位置，共有8個
  var pot_1 = pot_small.clone();
  var pot_2 = pot_small.clone();
  var pot_4 = pot_small.clone();
  var pot_5...