|
|
@@ -0,0 +1,158 @@
|
|
|
+<!DOCTYPE html>
|
|
|
+<html lang="en">
|
|
|
+ <head>
|
|
|
+ <title>three.js webgl - materials - texture - rotation</title>
|
|
|
+ <meta charset="utf-8">
|
|
|
+ <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
|
|
|
+ <style>
|
|
|
+ body {
|
|
|
+ margin: 0px;
|
|
|
+ background-color: #050505;
|
|
|
+ color: #fff;
|
|
|
+ overflow: hidden;
|
|
|
+ }
|
|
|
+
|
|
|
+ a { color: #e00 }
|
|
|
+
|
|
|
+ #info {
|
|
|
+ position: absolute;
|
|
|
+ top: 0px; width: 100%;
|
|
|
+ color: #ffffff;
|
|
|
+ padding: 5px;
|
|
|
+ font-family: Monospace;
|
|
|
+ font-size: 13px;
|
|
|
+ text-align: center;
|
|
|
+ }
|
|
|
+
|
|
|
+ </style>
|
|
|
+ </head>
|
|
|
+
|
|
|
+ <body>
|
|
|
+
|
|
|
+ <div id="info">
|
|
|
+ <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl - texture rotation
|
|
|
+ </div>
|
|
|
+
|
|
|
+ <script src="../build/three.js"></script>
|
|
|
+
|
|
|
+ <script src="js/controls/OrbitControls.js"></script>
|
|
|
+
|
|
|
+ <script src="js/libs/dat.gui.min.js"></script>
|
|
|
+
|
|
|
+ <script src="js/Detector.js"></script>
|
|
|
+
|
|
|
+ <script>
|
|
|
+
|
|
|
+ if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
|
|
|
+
|
|
|
+ var mesh, renderer, scene, camera;
|
|
|
+
|
|
|
+ var gui;
|
|
|
+
|
|
|
+ var API = {
|
|
|
+ translateX: 0,
|
|
|
+ translateY: 0,
|
|
|
+ scaleX: 0.25,
|
|
|
+ scaleY: 0.25,
|
|
|
+ rotation: Math.PI / 4, // positive is counter-clockwise
|
|
|
+ centerX: 0.5,
|
|
|
+ centerY: 0.5
|
|
|
+ };
|
|
|
+
|
|
|
+ init();
|
|
|
+ render();
|
|
|
+
|
|
|
+
|
|
|
+ function init() {
|
|
|
+
|
|
|
+ renderer = new THREE.WebGLRenderer();
|
|
|
+ renderer.setPixelRatio( window.devicePixelRatio );
|
|
|
+ renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
+ document.body.appendChild( renderer.domElement );
|
|
|
+
|
|
|
+ scene = new THREE.Scene();
|
|
|
+
|
|
|
+ camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
|
|
|
+ camera.position.set( 10, 15, 25 );
|
|
|
+ scene.add( camera );
|
|
|
+
|
|
|
+ var controls = new THREE.OrbitControls( camera, renderer.domElement );
|
|
|
+ controls.addEventListener( 'change', render );
|
|
|
+ controls.minDistance = 20;
|
|
|
+ controls.maxDistance = 50;
|
|
|
+ controls.maxPolarAngle = Math.PI / 2;
|
|
|
+
|
|
|
+ var geometry = new THREE.BoxGeometry( 10, 10, 10 );
|
|
|
+
|
|
|
+ var loader = new THREE.TextureLoader();
|
|
|
+ var texture = loader.load( 'textures/UV_Grid_Sm.jpg', render );
|
|
|
+ texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
|
|
|
+
|
|
|
+ var material = new THREE.MeshBasicMaterial( { map: texture } );
|
|
|
+
|
|
|
+ mesh = new THREE.Mesh( geometry, material );
|
|
|
+ scene.add( mesh );
|
|
|
+
|
|
|
+ updateTextureParams();
|
|
|
+
|
|
|
+ initGui();
|
|
|
+
|
|
|
+ window.addEventListener( 'resize', onWindowResize, false );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function render() {
|
|
|
+
|
|
|
+ renderer.render( scene, camera );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function onWindowResize() {
|
|
|
+
|
|
|
+ camera.aspect = window.innerWidth / window.innerHeight;
|
|
|
+
|
|
|
+ camera.updateProjectionMatrix();
|
|
|
+
|
|
|
+ renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
+
|
|
|
+ render();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function updateTextureParams() {
|
|
|
+
|
|
|
+ var map = mesh.material.map;
|
|
|
+
|
|
|
+ map.offset.x = API.translateX;
|
|
|
+ map.offset.y = API.translateY;
|
|
|
+ map.repeat.x = API.scaleX;
|
|
|
+ map.repeat.y = API.scaleY;
|
|
|
+ map.rotation = API.rotation;
|
|
|
+ map.center.x = API.centerX;
|
|
|
+ map.center.y = API.centerY;
|
|
|
+
|
|
|
+ render();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function initGui() {
|
|
|
+
|
|
|
+ var drop;
|
|
|
+
|
|
|
+ gui = new dat.GUI();
|
|
|
+
|
|
|
+ gui.add( API, 'translateX', 0.0, 1.0 ).name( 'offset.x' ).onChange( updateTextureParams );
|
|
|
+ gui.add( API, 'translateY', 0.0, 1.0 ).name( 'offset.y' ).onChange( updateTextureParams );
|
|
|
+ gui.add( API, 'scaleX', 0.25, 2.0 ).name( 'repeat.x' ).onChange( updateTextureParams );
|
|
|
+ gui.add( API, 'scaleY', 0.25, 2.0 ).name( 'repeat.y' ).onChange( updateTextureParams );
|
|
|
+ gui.add( API, 'rotation', - 2.0, 2.0 ).name( 'rotation' ).onChange( updateTextureParams );
|
|
|
+ gui.add( API, 'centerX', 0.0, 1.0 ).name( 'center.x' ).onChange( updateTextureParams );
|
|
|
+ gui.add( API, 'centerY', 0.0, 1.0 ).name( 'center.y' ).onChange( updateTextureParams );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ </script>
|
|
|
+
|
|
|
+ </body>
|
|
|
+
|
|
|
+</html>
|
WestLangley