webgl_materials_normalmap_object_space.html 3.0 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 src="../build/three.js"></script>
  16. <script src="js/controls/OrbitControls.js"></script>
  17. <script src="js/loaders/GLTFLoader.js"></script>
  18. <script src="js/WebGL.js"></script>
  19. <script>
  20. if ( WEBGL.isWebGLAvailable() === false ) {
  21. document.body.appendChild( WEBGL.getWebGLErrorMessage() );
  22. }
  23. var renderer, scene, camera;
  24. init();
  25. function init() {
  26. // renderer
  27. renderer = new THREE.WebGLRenderer();
  28. renderer.setSize( window.innerWidth, window.innerHeight );
  29. document.body.appendChild( renderer.domElement );
  30. renderer.gammaOutput = true;
  31. // scene
  32. scene = new THREE.Scene();
  33. // camera
  34. camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
  35. camera.position.set( - 10, 0, 23 );
  36. scene.add( camera );
  37. // controls
  38. var controls = new THREE.OrbitControls( camera, renderer.domElement );
  39. controls.addEventListener( 'change', render );
  40. controls.minDistance = 10;
  41. controls.maxDistance = 50;
  42. controls.enablePan = false;
  43. // ambient
  44. scene.add( new THREE.AmbientLight( 0xffffff, .2 ) );
  45. // light
  46. var light = new THREE.PointLight( 0xffffff, 1.5 );
  47. camera.add( light );
  48. // model
  49. new THREE.GLTFLoader().load( 'models/gltf/Nefertiti/Nefertiti.glb', function ( gltf ) {
  50. gltf.scene.traverse( function ( child ) {
  51. if ( child.isMesh ) {
  52. // glTF currently supports only tangent-space normal maps.
  53. // this model has been modified to demonstrate the use of an object-space normal map.
  54. child.material.normalMapType = THREE.ObjectSpaceNormalMap;
  55. // attribute normals are not required with an object-space normal map. remove them.
  56. child.geometry.removeAttribute( 'normal' );
  57. //
  58. child.material.side = THREE.DoubleSide;
  59. child.scale.multiplyScalar( 0.5 );
  60. // recenter
  61. new THREE.Box3().setFromObject( child ).getCenter( child.position ).multiplyScalar( - 1 );
  62. scene.add( child );
  63. }
  64. } );
  65. render();
  66. } );
  67. window.addEventListener( 'resize', onWindowResize, false );
  68. }
  69. function onWindowResize() {
  70. renderer.setSize( window.innerWidth, window.innerHeight );
  71. camera.aspect = window.innerWidth / window.innerHeight;
  72. camera.updateProjectionMatrix();
  73. render();
  74. }
  75. function render() {
  76. renderer.render( scene, camera );
  77. }
  78. </script>
  79. </body>
  80. </html>