midas
/
threejs-obj-space


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - transform controls</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link type="text/css" rel="stylesheet" href="main.css">
	</head>
	<body>

		<div id="info">
			"W" translate | "E" rotate | "R" scale | "+" increase size | "-" decrease size<br />
			"Q" toggle world/local space |  Hold "Shift" down to snap to grid<br />
			"X" toggle X | "Y" toggle Y | "Z" toggle Z | "Spacebar" toggle enabled
		</div>

		<script type="module">

			import * as THREE from '../build/three.module.js';

			import { OrbitControls } from './jsm/controls/OrbitControls.js';
			import { TransformControls } from './jsm/controls/TransformControls.js';

			var camera, scene, renderer, control, orbit;

			init();
			render();

			function init() {

				renderer = new THREE.WebGLRenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				document.body.appendChild( renderer.domElement );

				//

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 3000 );
				camera.position.set( 1000, 500, 1000 );
				camera.lookAt( 0, 200, 0 );

				scene = new THREE.Scene();
				scene.add( new THREE.GridHelper( 1000, 10 ) );

				var light = new THREE.DirectionalLight( 0xffffff, 2 );
				light.position.set( 1, 1, 1 );
				scene.add( light );

				var texture = new THREE.TextureLoader().load( 'textures/crate.gif', render );
				texture.anisotropy = renderer.capabilities.getMaxAnisotropy();

				var geometry = new THREE.BoxBufferGeometry( 200, 200, 200 );
				var material = new THREE.MeshLambertMaterial( { map: texture, transparent: true } );

				orbit = new OrbitControls( camera, renderer.domElement );
				orbit.update();
				orbit.addEventListener( 'change', render );

				control = new TransformControls( camera, renderer.domElement );
				control.addEventListener( 'change', render );

				control.addEventListener( 'dragging-changed', function ( event ) {

					orbit.enabled = ! event.value;

				} );

				var mesh = new THREE.Mesh( geometry, material );
				scene.add( mesh );

				control.attach( mesh );
				scene.add( control );

				window.addEventListener( 'resize', onWindowResize, false );

				window.addEventListener( 'keydown', function ( event ) {

					switch ( event.keyCode ) {

						case 81: // Q
							control.setSpace( control.space === "local" ? "world" : "local" );
							break;

						case 16: // Shift
							control.setTranslationSnap( 100 );
							control.setRotationSnap( THREE.MathUtils.degToRad( 15 ) );
							control.setScaleSnap( 0.25 );
							break;

						case 87: // W
							control.setMode( "translate" );
							break;

						case 69: // E
							control.setMode( "rotate" );
							break;

						case 82: // R
							control.setMode( "scale" );
							break;

						case 187:
						case 107: // +, =, num+
							control.setSize( control.size + 0.1 );
							break;

						case 189:
						case 109: // -, _, num-
							control.setSize( Math.max( control.size - 0.1, 0.1 ) );
							break;

						case 88: // X
							control.showX = ! control.showX;
							break;

						case 89: // Y
							control.showY = ! control.showY;
							break;

						case 90: // Z
							control.showZ = ! control.showZ;
							break;

						case 32: // Spacebar
							control.enabled = ! control.enabled;
							break;

					}

				} );

				window.addEventListener( 'keyup', function ( event ) {

					switch ( event.keyCode ) {

						case 17: // Ctrl
							control.setTranslationSnap( null );
							control.setRotationSnap( null );
							control.setScaleSnap( null );
							break;

					}

				} );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

				render();

			}

			function render() {

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>