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89 lines
3.1 KiB
HTML
89 lines
3.1 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<base href="../../../" />
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<script src="page.js"></script>
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<link type="text/css" rel="stylesheet" href="page.css" />
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</head>
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<body>
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[page:Texture] →
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<h1>[name]</h1>
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<p class="desc">
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Creates a texture from a canvas element.<br /><br />
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This is almost the same as the base [page:Texture Texture] class, except
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that it sets [page:Texture.needsUpdate needsUpdate] to `true` immediately.
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</p>
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<h2>Constructor</h2>
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<h3>
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[name]( [param:HTMLElement canvas], [param:Constant mapping],
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[param:Constant wrapS], [param:Constant wrapT], [param:Constant magFilter],
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[param:Constant minFilter], [param:Constant format],
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[param:Constant type], [param:Number anisotropy] )
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</h3>
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<p>
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[page:HTMLElement canvas] -- The HTML canvas element from which to load
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the texture. <br />
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[page:Constant mapping] -- How the image is applied to the object. An
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object type of [page:Textures THREE.UVMapping]. See [page:Textures mapping constants] for other choices.<br />
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[page:Constant wrapS] -- The default is [page:Textures THREE.ClampToEdgeWrapping].
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See [page:Textures wrap mode constants] for
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other choices.<br />
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[page:Constant wrapT] -- The default is [page:Textures THREE.ClampToEdgeWrapping].
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See [page:Textures wrap mode constants] for
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other choices.<br />
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[page:Constant magFilter] -- How the texture is sampled when a texel
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covers more than one pixel. The default is [page:Textures THREE.LinearFilter].
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See [page:Textures magnification filter constants]
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for other choices.<br />
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[page:Constant minFilter] -- How the texture is sampled when a texel
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covers less than one pixel. The default is [page:Textures THREE.LinearMipmapLinearFilter].
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See [page:Textures minification filter constants] for other choices.<br />
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[page:Constant format] -- The format used in the texture. See
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[page:Textures format constants] for other choices.<br />
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[page:Constant type] -- Default is [page:Textures THREE.UnsignedByteType].
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See [page:Textures type constants] for other choices.<br />
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[page:Number anisotropy] -- The number of samples taken along the axis
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through the pixel that has the highest density of texels. By default, this
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value is `1`. A higher value gives a less blurry result than a basic mipmap,
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at the cost of more texture samples being used. Use
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[page:WebGLrenderer.getMaxAnisotropy renderer.getMaxAnisotropy]() to find
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the maximum valid anisotropy value for the GPU; this value is usually a
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power of 2.<br /><br />
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</p>
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<h2>Properties</h2>
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<p>See the base [page:Texture Texture] class for common properties.</p>
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<h3>[property:Boolean isCanvasTexture]</h3>
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<p>Read-only flag to check if a given object is of type [name].</p>
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<h3>[property:Boolean needsUpdate]</h3>
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<p>True by default. This is required so that the canvas data is loaded.</p>
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<h2>Methods</h2>
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<p>See the base [page:Texture Texture] class for common methods.</p>
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<h2>Source</h2>
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<p>
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[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
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</p>
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</body>
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</html>
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