css2d_label.html 3.9 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, scene2, renderer, labelRenderer;
  42. var controls;
  43. var clock = new THREE.Clock();
  44. var textureLoader = new THREE.TextureLoader();
  45. var earth, moon;
  46. init();
  47. animate();
  48. function init() {
  49. var EARTH_RADIUS = 1;
  50. var MOON_RADIUS = 0.27;
  51. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
  52. camera.position.set( 10, 5, 20 );
  53. controls = new THREE.OrbitControls( camera );
  54. scene = new THREE.Scene();
  55. scene2 = new THREE.Scene();
  56. var dirLight = new THREE.DirectionalLight( 0xffffff );
  57. dirLight.position.set( 0, 0, 1 );
  58. scene.add( dirLight );
  59. var axesHelper = new THREE.AxesHelper( 5 );
  60. scene.add( axesHelper );
  61. //
  62. var earthGeometry = new THREE.SphereBufferGeometry( EARTH_RADIUS, 16, 16 );
  63. var earthMaterial = new THREE.MeshPhongMaterial( {
  64. specular: 0x333333,
  65. shininess: 5,
  66. map: textureLoader.load( 'textures/planets/earth_atmos_2048.jpg' ),
  67. specularMap: textureLoader.load( 'textures/planets/earth_specular_2048.jpg' ),
  68. normalMap: textureLoader.load( 'textures/planets/earth_normal_2048.jpg' ),
  69. normalScale: new THREE.Vector2( 0.85, 0.85 )
  70. } );
  71. earth = new THREE.Mesh( earthGeometry, earthMaterial );
  72. scene.add( earth );
  73. var moonGeometry = new THREE.SphereBufferGeometry( MOON_RADIUS, 16, 16 );
  74. var moonMaterial = new THREE.MeshPhongMaterial( {
  75. shininess: 5,
  76. map: textureLoader.load( 'textures/planets/moon_1024.jpg' )
  77. } );
  78. moon = new THREE.Mesh( moonGeometry, moonMaterial );
  79. scene.add( moon );
  80. //
  81. var earthDiv = document.createElement( 'div' );
  82. earthDiv.className = 'label';
  83. earthDiv.textContent = 'Earth';
  84. earthDiv.style.marginTop = '-1em';
  85. var earthLabel = new THREE.CSS2DObject( earthDiv );
  86. earthLabel.position.set( 0, EARTH_RADIUS, 0 );
  87. earth.add( earthLabel );
  88. var moonDiv = document.createElement( 'div' );
  89. moonDiv.className = 'label';
  90. moonDiv.textContent = 'Moon';
  91. moonDiv.style.marginTop = '-1em';
  92. var moonLabel = new THREE.CSS2DObject( moonDiv );
  93. moonLabel.position.set( 0, MOON_RADIUS, 0 );
  94. moon.add( moonLabel );
  95. //
  96. renderer = new THREE.WebGLRenderer();
  97. renderer.setPixelRatio( window.devicePixelRatio );
  98. renderer.setSize( window.innerWidth, window.innerHeight );
  99. document.body.appendChild( renderer.domElement );
  100. labelRenderer = new THREE.CSS2DRenderer();
  101. labelRenderer.setSize( window.innerWidth, window.innerHeight );
  102. labelRenderer.domElement.style.position = 'absolute';
  103. labelRenderer.domElement.style.top = 0;
  104. document.body.appendChild( labelRenderer.domElement );
  105. }
  106. function animate() {
  107. requestAnimationFrame( animate );
  108. var elapsed = clock.getElapsedTime();
  109. moon.position.set( Math.sin( elapsed ) * 5, 0, Math.cos( elapsed ) * 5 );
  110. renderer.render( scene, camera );
  111. labelRenderer.render( scene, camera );
  112. }
  113. </script>
  114. </body>
  115. </html>