Object 3D、clone用法

by j91157j91157

HTML

<!DOCTYPE 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>

CSS

body {
  overflow: hidden
}

JavaScript

var renderer, camera, controls, scene;

init();
animate();


function init() {

  renderer = new THREE.WebGLRenderer({
	  antialias: true
	});
  renderer.setSize(window.innerWidth, window.innerHeight);
  renderer.setClearColor(0x888888);
  document.body.appendChild(renderer.domElement);

  camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 1000);
  camera.position.y = 40;
  camera.position.z = 50;  // important

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

  scene = new THREE.Scene();
  
  var gridXZ = new THREE.GridHelper(100, 10, 'red', 'white');
  scene.add(gridXZ);
  
  var aou = buildAou();
  scene.add (aou);
  
  var aou2 = aou.clone();
  aou2.rotation.y = Math.PI/6;
  aou2.position.set (10,0,20);
  scene.add (aou2);

}

function animate() {

  controls.update();
  renderer.render (scene, camera);

  requestAnimationFrame (animate);
}

function buildAou () {

  var aou = new THREE.Object3D();

  var normalMat = new THREE.MeshNormalMaterial();
  var column1 = new THREE.Mesh( new THREE.BoxGeometry (10,30,10), normalMat);
  var flat = new THREE.Mesh (new THREE.BoxGeometry (20, 10,10), normalMat);
  var column2 = new THREE.Mesh( new THREE.BoxGeometry (10,30,10), normalMat);
  
  aou.add (column1);
  aou.add (flat);
  aou.add (column2);
  column1.position.set (5, 15, -5);
  flat.position.set (20, 5, -5);
  column2.position.set (35, 15, -5);

  return aou;
}