css2d_label.html 3.8 KB

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  1. <!DOCTYPE html>
  2. <html>
  3. <head>
  4. <meta charset="utf-8">
  5. <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
  6. <title>three.js css2d - label</title>
  7. <style>
  8. body {
  9. background-color: #000;
  10. margin: 0;
  11. overflow: hidden;
  12. }
  13. #info {
  14. position: absolute;
  15. top: 0px;
  16. width: 100%;
  17. color: #FFF;
  18. padding: 5px;
  19. font-family: Monospace;
  20. font-size: 13px;
  21. text-align: center;
  22. z-index: 1;
  23. }
  24. .label{
  25. color: #FFF;
  26. font-family: sans-serif;
  27. padding: 2px;
  28. background: rgba( 0, 0, 0, .6 );
  29. }
  30. a {
  31. color: #000000;
  32. }
  33. </style>
  34. </head>
  35. <body>
  36. <div id="info"><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - three.js css2d - label</div>
  37. <script src="../build/three.js"></script>
  38. <script src="js/controls/OrbitControls.js"></script>
  39. <script src="js/renderers/CSS2DRenderer.js"></script>
  40. <script>
  41. var camera, scene, renderer, labelRenderer;
  42. var clock = new THREE.Clock();
  43. var textureLoader = new THREE.TextureLoader();
  44. var earth, moon;
  45. init();
  46. animate();
  47. function init() {
  48. var EARTH_RADIUS = 1;
  49. var MOON_RADIUS = 0.27;
  50. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
  51. camera.position.set( 10, 5, 20 );
  52. var controls = new THREE.OrbitControls( camera );
  53. scene = new THREE.Scene();
  54. var dirLight = new THREE.DirectionalLight( 0xffffff );
  55. dirLight.position.set( 0, 0, 1 );
  56. scene.add( dirLight );
  57. var axesHelper = new THREE.AxesHelper( 5 );
  58. scene.add( axesHelper );
  59. //
  60. var earthGeometry = new THREE.SphereBufferGeometry( EARTH_RADIUS, 16, 16 );
  61. var earthMaterial = new THREE.MeshPhongMaterial( {
  62. specular: 0x333333,
  63. shininess: 5,
  64. map: textureLoader.load( 'textures/planets/earth_atmos_2048.jpg' ),
  65. specularMap: textureLoader.load( 'textures/planets/earth_specular_2048.jpg' ),
  66. normalMap: textureLoader.load( 'textures/planets/earth_normal_2048.jpg' ),
  67. normalScale: new THREE.Vector2( 0.85, 0.85 )
  68. } );
  69. earth = new THREE.Mesh( earthGeometry, earthMaterial );
  70. scene.add( earth );
  71. var moonGeometry = new THREE.SphereBufferGeometry( MOON_RADIUS, 16, 16 );
  72. var moonMaterial = new THREE.MeshPhongMaterial( {
  73. shininess: 5,
  74. map: textureLoader.load( 'textures/planets/moon_1024.jpg' )
  75. } );
  76. moon = new THREE.Mesh( moonGeometry, moonMaterial );
  77. scene.add( moon );
  78. //
  79. var earthDiv = document.createElement( 'div' );
  80. earthDiv.className = 'label';
  81. earthDiv.textContent = 'Earth';
  82. earthDiv.style.marginTop = '-1em';
  83. var earthLabel = new THREE.CSS2DObject( earthDiv );
  84. earthLabel.position.set( 0, EARTH_RADIUS, 0 );
  85. earth.add( earthLabel );
  86. var moonDiv = document.createElement( 'div' );
  87. moonDiv.className = 'label';
  88. moonDiv.textContent = 'Moon';
  89. moonDiv.style.marginTop = '-1em';
  90. var moonLabel = new THREE.CSS2DObject( moonDiv );
  91. moonLabel.position.set( 0, MOON_RADIUS, 0 );
  92. moon.add( moonLabel );
  93. //
  94. renderer = new THREE.WebGLRenderer();
  95. renderer.setPixelRatio( window.devicePixelRatio );
  96. renderer.setSize( window.innerWidth, window.innerHeight );
  97. document.body.appendChild( renderer.domElement );
  98. labelRenderer = new THREE.CSS2DRenderer();
  99. labelRenderer.setSize( window.innerWidth, window.innerHeight );
  100. labelRenderer.domElement.style.position = 'absolute';
  101. labelRenderer.domElement.style.top = 0;
  102. document.body.appendChild( labelRenderer.domElement );
  103. }
  104. function animate() {
  105. requestAnimationFrame( animate );
  106. var elapsed = clock.getElapsedTime();
  107. moon.position.set( Math.sin( elapsed ) * 5, 0, Math.cos( elapsed ) * 5 );
  108. renderer.render( scene, camera );
  109. labelRenderer.render( scene, camera );
  110. }
  111. </script>
  112. </body>
  113. </html>