svg_lines.html 2.8 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js svg - lines</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-color: #000000;
  10. margin: 0px;
  11. overflow: hidden;
  12. }
  13. a {
  14. color:#0078ff;
  15. }
  16. #info {
  17. position: absolute;
  18. top: 10px; width: 100%;
  19. color: #ffffff;
  20. padding: 5px;
  21. font-family: Monospace;
  22. font-size: 13px;
  23. text-align: center;
  24. z-index:100;
  25. }
  26. a:hover {
  27. color: #0080ff;
  28. }
  29. </style>
  30. </head>
  31. <body>
  32. <div id="info">
  33. <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> svg - lines
  34. </div>
  35. <script src="../build/three.js"></script>
  36. <script src="js/renderers/Projector.js"></script>
  37. <script src="js/renderers/SVGRenderer.js"></script>
  38. <script>
  39. var camera, scene, renderer;
  40. init();
  41. animate();
  42. function init() {
  43. camera = new THREE.PerspectiveCamera( 33, window.innerWidth / window.innerHeight, 0.1, 100 );
  44. camera.position.z = 10;
  45. scene = new THREE.Scene();
  46. scene.background = new THREE.Color( 0, 0, 0 );
  47. renderer = new THREE.SVGRenderer();
  48. renderer.setSize( window.innerWidth, window.innerHeight );
  49. document.body.appendChild( renderer.domElement );
  50. //
  51. var vertices = [];
  52. var divisions = 50;
  53. for ( var i = 0; i <= divisions; i ++ ) {
  54. var v = ( i / divisions ) * ( Math.PI * 2 );
  55. var x = Math.sin( v );
  56. var z = Math.cos( v );
  57. vertices.push( x, 0, z );
  58. }
  59. var geometry = new THREE.BufferGeometry();
  60. geometry.addAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) );
  61. //
  62. for ( var i = 1; i <= 3; i ++ ) {
  63. var material = new THREE.LineBasicMaterial( {
  64. color: Math.random() * 0xffffff,
  65. linewidth: 10
  66. } );
  67. var line = new THREE.Line( geometry, material );
  68. line.scale.setScalar( i / 3 );
  69. scene.add( line );
  70. }
  71. var material = new THREE.LineDashedMaterial( {
  72. color: 'blue',
  73. linewidth: 1,
  74. dashSize: 10,
  75. gapSize: 10
  76. } );
  77. var line = new THREE.Line( geometry, material );
  78. line.scale.setScalar( 2 );
  79. scene.add( line );
  80. //
  81. window.addEventListener( 'resize', onWindowResize, false );
  82. }
  83. function onWindowResize() {
  84. camera.aspect = window.innerWidth / window.innerHeight;
  85. camera.updateProjectionMatrix();
  86. renderer.setSize( window.innerWidth, window.innerHeight );
  87. }
  88. function animate() {
  89. var count = 0;
  90. var time = performance.now() / 1000;
  91. scene.traverse( function ( child ) {
  92. child.rotation.x = count + ( time / 3 );
  93. child.rotation.z = count + ( time / 4 );
  94. count ++;
  95. } );
  96. renderer.render( scene, camera );
  97. requestAnimationFrame( animate );
  98. }
  99. </script>
  100. </body>
  101. </html>