raycaster

Matrix4Update

by joe chan

HTML

<div id="info">Orientation 3D
  <br/>Matrix4</div>
<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://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, light, controls;
var plane;
var tank;
var R = 80;
var change = 0;
var go = 0;
var faxs = new THREE.Object3D();
var angle= 0;
var asix0;
var laser;
var keyboard = new KeyboardState();
var raylaser = new THREE.Raycaster();
var pickables = [];
var target ;

init();
animate();

function buildTank() {
	var tank = new THREE.Object3D();
  var normalMat = new THREE.MeshNormalMaterial();

  var body = new THREE.Mesh (new THREE.BoxGeometry (15,3,10), normalMat);
  body.position.y=1.5;
  tank.add (body);
	return tank;
}

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

  camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 100000);
  camera.position.z = 500;
  scene.add(camera);

  light = new THREE.PointLight(0xffffff);
  light.position.set(100, 300, 200);
  scene.add(light);

  var gridXZ = new THREE.GridHelper(200, 20, 'red', 'white');
  scene.add(gridXZ);

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

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

  document.body.appendChild(renderer.domElement);
  ////////////////////////////////////////////////////////////////////////
  tank = buildTank();
  axis0 = new THREE.Mesh (new THREE.CylinderGeometry (1,1,10), new THREE.MeshBasicMaterial({color:0xff0000}));
	axis0.position.x=4;
  axis0.rotation.z=-Math.PI/2;

  var tower = new THREE.Mesh (new THREE.SphereGeometry( 3, 32, 32 ), new THREE.MeshNormalMaterial());
	faxs.add(tower);
  faxs.add(axis0);
  faxs.position.y=5;
 	tank.add(faxs);

  scene.add (tank);

  ////////////////////////////////////////////

  target = new THREE.Mesh(new THREE.BoxGeometry(15,15,15),new THREE.MeshNormalMaterial());
  scene.add(target);
  target.position.set(50,50,50);

  pickables.push(target);
}

function Matrix4Update(newPos, newDir) {
	var localX = newDir.clone();
  var localY = new THREE.Vector3 (0,1,0);
  var localZ = new...