SVGLoader.html 3.1 KB

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  1. <!DOCTYPE html>
  2. <html lang="zh">
  3. <head>
  4. <meta charset="utf-8" />
  5. <base href="../../../" />
  6. <script src="page.js"></script>
  7. <link type="text/css" rel="stylesheet" href="page.css" />
  8. </head>
  9. <body>
  10. [page:Loader] &rarr;
  11. <h1>[name]</h1>
  12. <p class="desc">A loader for loading a <em>.svg</em> resource.<br >
  13. <a href="https://en.wikipedia.org/wiki/Scalable_Vector_Graphics">Scalable Vector Graphics</a> is an XML-based vector image format for two-dimensional graphics with support for interactivity and animation.
  14. </p>
  15. <h2>代码示例</h2>
  16. <code>
  17. // instantiate a loader
  18. const loader = new SVGLoader();
  19. // load a SVG resource
  20. loader.load(
  21. // resource URL
  22. 'data/svgSample.svg',
  23. // called when the resource is loaded
  24. function ( data ) {
  25. const paths = data.paths;
  26. const group = new THREE.Group();
  27. for ( let i = 0; i < paths.length; i ++ ) {
  28. const path = paths[ i ];
  29. const material = new THREE.MeshBasicMaterial( {
  30. color: path.color,
  31. side: THREE.DoubleSide,
  32. depthWrite: false
  33. } );
  34. const shapes = path.toShapes( true );
  35. for ( let j = 0; j < shapes.length; j ++ ) {
  36. const shape = shapes[ j ];
  37. const geometry = new THREE.ShapeGeometry( shape );
  38. const mesh = new THREE.Mesh( geometry, material );
  39. group.add( mesh );
  40. }
  41. }
  42. scene.add( group );
  43. },
  44. // called when loading is in progresses
  45. function ( xhr ) {
  46. console.log( ( xhr.loaded / xhr.total * 100 ) + '% loaded' );
  47. },
  48. // called when loading has errors
  49. function ( error ) {
  50. console.log( 'An error happened' );
  51. }
  52. );
  53. </code>
  54. <h2>例子</h2>
  55. <p>
  56. [example:webgl_loader_svg]
  57. </p>
  58. <h2>Constructor</h2>
  59. <h3>[name]( [param:LoadingManager manager] )</h3>
  60. <p>
  61. [page:LoadingManager manager] — The [page:LoadingManager loadingManager] for the loader to use. Default is [page:LoadingManager THREE.DefaultLoadingManager].
  62. </p>
  63. <p>
  64. Creates a new [name].
  65. </p>
  66. <h2>Properties</h2>
  67. <p>See the base [page:Loader] class for common properties.</p>
  68. <h2>Methods</h2>
  69. <p>See the base [page:Loader] class for common methods.</p>
  70. <h3>[method:null load]( [param:String url], [param:Function onLoad], [param:Function onProgress], [param:Function onError] )</h3>
  71. <p>
  72. [page:String url] — A string containing the path/URL of the <em>.svg</em> file.<br />
  73. [page:Function onLoad] — (optional) A function to be called after loading is successfully completed. The function receives an array of [page:ShapePath] as an argument.<br />
  74. [page:Function onProgress] — (optional) A function to be called while the loading is in progress. The argument will be the XMLHttpRequest instance, which contains [page:Integer total] and [page:Integer loaded] bytes.<br />
  75. [page:Function onError] — (optional) A function to be called if an error occurs during loading. The function receives the error as an argument.<br />
  76. </p>
  77. <p>
  78. Begin loading from url and call onLoad with the response content.
  79. </p>
  80. <h2>Source</h2>
  81. <p>
  82. [link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/loaders/SVGLoader.js examples/jsm/loaders/SVGLoader.js]
  83. </p>
  84. </body>
  85. </html>