rotation3D

euler angles

by Rebecca Chen

HTML

<div id="info">Orientation 3D
  <br/>Euler angles</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/108/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 missile;

init();
animate();
function buildMissile() {
	var missile = new THREE.Object3D();
  var normalMat = new THREE.MeshNormalMaterial();
	var tip = new THREE.Mesh (new THREE.CylinderGeometry (0,5,10,20), normalMat);
  missile.add (tip);
  tip.position.y = 15;
  var body = new THREE.Mesh (new THREE.CylinderGeometry (5,5,10,20), normalMat);
  missile.add (body);
  body.position.y = 5;
  
  var missileFrame = new THREE.Object3D();
  missileFrame.add (missile);
  missile.rotation.z = -Math.PI/2;

  var axis0 = new THREE.Mesh (new THREE.CylinderGeometry (1,1,30), new THREE.MeshBasicMaterial({color:0xff0000}));
  var axis1 = new THREE.Mesh (new THREE.CylinderGeometry (1,1,30), new THREE.MeshBasicMaterial({color:0x00ff00}))
  var axis2 = new THREE.Mesh (new THREE.CylinderGeometry (1,1,30), new THREE.MeshBasicMaterial({color:0x0000ff}));
  missileFrame.add (axis0);
  missileFrame.add (axis1);
  missileFrame.add (axis2);

	axis0.position.set (15,0,0);
  axis0.rotation.z = - Math.PI/2;
  axis1.position.set (0,15,0);
  axis2.position.set (0,0,15);
  axis2.rotation.x = Math.PI/2;

	return missileFrame;
}


function buildPlane() {
	var plane = new THREE.Object3D();
  
	var geometry = new THREE.Geometry();
  geometry.vertices.push(new THREE.Vector3(30, 0, 0));
  geometry.vertices.push(new THREE.Vector3(0, 10, 0));
  geometry.vertices.push(new THREE.Vector3(0, 0, 10));
  geometry.vertices.push(new THREE.Vector3(0, 0, -10));
  var face;
  face = new THREE.Face3(0, 1, 2);
  geometry.faces.push(face);
  face = new THREE.Face3(1, 3, 2);
  geometry.faces.push(face);
  face = new THREE.Face3(3, 1, 0);
  geometry.faces.push(face);
  face = new THREE.Face3(2, 3, 0);
  geometry.faces.push(face);

  geometry.computeBoundingSphere();
  geometry.computeFaceNormals();
  geometry.computeVertexNormals();

  mesh = new THREE.Mesh(geometry, new THREE.MeshNormalMaterial());
  plane.add(mesh);
  
  var axis0 = new THREE.Mesh (new...