webgl_geometry_hierarchy2.html 4.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206
  1. <!doctype html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - geometry hierarchy 2</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. <style>
  8. body {
  9. background:#fff;
  10. padding:0;
  11. margin:0;
  12. font-weight: bold;
  13. overflow:hidden;
  14. }
  15. </style>
  16. </head>
  17. <body>
  18. <script src="../build/Three.js"></script>
  19. <script src="js/RequestAnimationFrame.js"></script>
  20. <script src="js/Stats.js"></script>
  21. <script>
  22. var container, stats;
  23. var camera, scene, renderer;
  24. var geometry, objects;
  25. var mouseX = 0, mouseY = 0;
  26. var windowHalfX = window.innerWidth / 2;
  27. var windowHalfY = window.innerHeight / 2;
  28. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  29. init();
  30. animate();
  31. function init() {
  32. container = document.createElement( 'div' );
  33. document.body.appendChild( container );
  34. camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 10000 );
  35. camera.position.z = 500;
  36. scene = new THREE.Scene();
  37. scene.fog = new THREE.Fog( 0xffffff, 1, 10000 );
  38. var geometry = new THREE.CubeGeometry( 100, 100, 100 );
  39. var material = new THREE.MeshNormalMaterial();
  40. var mesh = new THREE.Mesh( geometry, material );
  41. mesh.position.x = 1000;
  42. objects = [];
  43. objects.push( mesh );
  44. var amount = 200, child, object = mesh;
  45. for ( var i = 0; i < amount; i ++ ) {
  46. child = new THREE.Mesh( geometry, material );
  47. child.position.x = 100;
  48. object.add( child );
  49. object = child;
  50. objects.push( child );
  51. }
  52. object = mesh;
  53. for ( var i = 0; i < amount; i ++ ) {
  54. child = new THREE.Mesh( geometry, material );
  55. child.position.x = - 100;
  56. object.add( child );
  57. object = child;
  58. objects.push( child );
  59. }
  60. object = mesh;
  61. for ( var i = 0; i < amount; i ++ ) {
  62. child = new THREE.Mesh( geometry, material );
  63. child.position.y = - 100;
  64. object.add( child );
  65. object = child;
  66. objects.push( child );
  67. }
  68. object = mesh;
  69. for ( var i = 0; i < amount; i ++ ) {
  70. child = new THREE.Mesh( geometry, material );
  71. child.position.y = 100;
  72. object.add( child );
  73. object = child;
  74. objects.push( child );
  75. }
  76. object = mesh;
  77. for ( var i = 0; i < amount; i ++ ) {
  78. child = new THREE.Mesh( geometry, material );
  79. child.position.z = - 100;
  80. object.add( child );
  81. object = child;
  82. objects.push( child );
  83. }
  84. object = mesh;
  85. for ( var i = 0; i < amount; i ++ ) {
  86. child = new THREE.Mesh( geometry, material );
  87. child.position.z = 100;
  88. object.add( child );
  89. object = child;
  90. objects.push( child );
  91. }
  92. scene.add( mesh );
  93. renderer = new THREE.WebGLRenderer();
  94. renderer.setSize( window.innerWidth, window.innerHeight );
  95. renderer.sortObjects = false;
  96. container.appendChild( renderer.domElement );
  97. stats = new Stats();
  98. stats.domElement.style.position = 'absolute';
  99. stats.domElement.style.top = '0px';
  100. stats.domElement.style.zIndex = 100;
  101. container.appendChild( stats.domElement );
  102. }
  103. function onDocumentMouseMove(event) {
  104. mouseX = ( event.clientX - windowHalfX ) * 10;
  105. mouseY = ( event.clientY - windowHalfY ) * 10;
  106. }
  107. //
  108. function animate() {
  109. requestAnimationFrame( animate );
  110. render();
  111. stats.update();
  112. }
  113. function render() {
  114. var rx = Math.sin( new Date().getTime() * 0.0007 ) * 0.2,
  115. ry = Math.sin( new Date().getTime() * 0.0003 ) * 0.1,
  116. rz = Math.sin( new Date().getTime() * 0.0002 ) * 0.1;
  117. camera.position.x += ( mouseX - camera.position.x ) * .05;
  118. camera.position.y += ( - mouseY - camera.position.y ) * .05;
  119. camera.lookAt( scene.position );
  120. for ( var i = 0, l = objects.length; i < l; i ++ ) {
  121. objects[ i ].rotation.x = rx;
  122. objects[ i ].rotation.y = ry;
  123. objects[ i ].rotation.z = rz;
  124. }
  125. renderer.render( scene, camera );
  126. }
  127. </script>
  128. </body>
  129. </html>