webgl_materials_normalmap_object_space.html 2.9 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - materials - normal map [object space]</title>
  5. <meta charset="utf-8">
  6. <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
  7. <link type="text/css" rel="stylesheet" href="main.css">
  8. </head>
  9. <body>
  10. <div id="info">
  11. <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl object-space normalmap demo<br />
  12. Nefertiti Bust by
  13. <a href="http://www.cultlab3d.de/" target="_blank" rel="noopener">CultLab3D</a><br />
  14. </div>
  15. <script type="module">
  16. import {
  17. AmbientLight,
  18. Box3,
  19. DoubleSide,
  20. ObjectSpaceNormalMap,
  21. PerspectiveCamera,
  22. PointLight,
  23. Scene,
  24. WebGLRenderer,
  25. } from "../build/three.module.js";
  26. import { OrbitControls } from './jsm/controls/OrbitControls.js';
  27. import { GLTFLoader } from './jsm/loaders/GLTFLoader.js';
  28. var renderer, scene, camera;
  29. init();
  30. function init() {
  31. // renderer
  32. renderer = new WebGLRenderer();
  33. renderer.setSize( window.innerWidth, window.innerHeight );
  34. document.body.appendChild( renderer.domElement );
  35. renderer.gammaOutput = true;
  36. // scene
  37. scene = new Scene();
  38. // camera
  39. camera = new PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
  40. camera.position.set( - 10, 0, 23 );
  41. scene.add( camera );
  42. // controls
  43. var controls = new OrbitControls( camera, renderer.domElement );
  44. controls.addEventListener( 'change', render );
  45. controls.minDistance = 10;
  46. controls.maxDistance = 50;
  47. controls.enablePan = false;
  48. // ambient
  49. scene.add( new AmbientLight( 0xffffff, .2 ) );
  50. // light
  51. var light = new PointLight( 0xffffff, 1.5 );
  52. camera.add( light );
  53. // model
  54. new GLTFLoader().load( 'models/gltf/Nefertiti/Nefertiti.glb', function ( gltf ) {
  55. gltf.scene.traverse( function ( child ) {
  56. if ( child.isMesh ) {
  57. // glTF currently supports only tangent-space normal maps.
  58. // this model has been modified to demonstrate the use of an object-space normal map.
  59. child.material.normalMapType = ObjectSpaceNormalMap;
  60. // attribute normals are not required with an object-space normal map. remove them.
  61. child.geometry.removeAttribute( 'normal' );
  62. //
  63. child.material.side = DoubleSide;
  64. child.scale.multiplyScalar( 0.5 );
  65. // recenter
  66. new Box3().setFromObject( child ).getCenter( child.position ).multiplyScalar( - 1 );
  67. scene.add( child );
  68. }
  69. } );
  70. render();
  71. } );
  72. window.addEventListener( 'resize', onWindowResize, false );
  73. }
  74. function onWindowResize() {
  75. renderer.setSize( window.innerWidth, window.innerHeight );
  76. camera.aspect = window.innerWidth / window.innerHeight;
  77. camera.updateProjectionMatrix();
  78. render();
  79. }
  80. function render() {
  81. renderer.render( scene, camera );
  82. }
  83. </script>
  84. </body>
  85. </html>