webgl_effects_ascii.html 3.0 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - effects - ascii</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"><a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - effects - ascii</div>
  11. <script type="module">
  12. import {
  13. Mesh,
  14. MeshBasicMaterial,
  15. MeshPhongMaterial,
  16. PerspectiveCamera,
  17. PlaneBufferGeometry,
  18. PointLight,
  19. Scene,
  20. SphereBufferGeometry,
  21. WebGLRenderer
  22. } from "../build/three.module.js";
  23. import { AsciiEffect } from './jsm/effects/AsciiEffect.js';
  24. import { TrackballControls } from './jsm/controls/TrackballControls.js';
  25. var camera, controls, scene, renderer, effect;
  26. var sphere, plane;
  27. var start = Date.now();
  28. init();
  29. animate();
  30. function init() {
  31. camera = new PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
  32. camera.position.y = 150;
  33. camera.position.z = 500;
  34. scene = new Scene();
  35. var light = new PointLight( 0xffffff );
  36. light.position.set( 500, 500, 500 );
  37. scene.add( light );
  38. var light = new PointLight( 0xffffff, 0.25 );
  39. light.position.set( - 500, - 500, - 500 );
  40. scene.add( light );
  41. sphere = new Mesh( new SphereBufferGeometry( 200, 20, 10 ), new MeshPhongMaterial( { flatShading: true } ) );
  42. scene.add( sphere );
  43. // Plane
  44. plane = new Mesh( new PlaneBufferGeometry( 400, 400 ), new MeshBasicMaterial( { color: 0xe0e0e0 } ) );
  45. plane.position.y = - 200;
  46. plane.rotation.x = - Math.PI / 2;
  47. scene.add( plane );
  48. renderer = new WebGLRenderer();
  49. renderer.setSize( window.innerWidth, window.innerHeight );
  50. effect = new AsciiEffect( renderer, ' .:-+*=%@#', { invert: true } );
  51. effect.setSize( window.innerWidth, window.innerHeight );
  52. effect.domElement.style.color = 'white';
  53. effect.domElement.style.backgroundColor = 'black';
  54. // Special case: append effect.domElement, instead of renderer.domElement.
  55. // AsciiEffect creates a custom domElement (a div container) where the ASCII elements are placed.
  56. document.body.appendChild( effect.domElement );
  57. controls = new TrackballControls( camera, effect.domElement );
  58. //
  59. window.addEventListener( 'resize', onWindowResize, false );
  60. }
  61. function onWindowResize() {
  62. camera.aspect = window.innerWidth / window.innerHeight;
  63. camera.updateProjectionMatrix();
  64. renderer.setSize( window.innerWidth, window.innerHeight );
  65. effect.setSize( window.innerWidth, window.innerHeight );
  66. }
  67. //
  68. function animate() {
  69. requestAnimationFrame( animate );
  70. render();
  71. }
  72. function render() {
  73. var timer = Date.now() - start;
  74. sphere.position.y = Math.abs( Math.sin( timer * 0.002 ) ) * 150;
  75. sphere.rotation.x = timer * 0.0003;
  76. sphere.rotation.z = timer * 0.0002;
  77. controls.update();
  78. effect.render( scene, camera );
  79. }
  80. </script>
  81. </body>
  82. </html>