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169 lines
5.7 KiB
169 lines
5.7 KiB
2 years ago
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<!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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<h1>[name]</h1>
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<p class="desc">
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Used to implement post-processing effects in three.js. The class manages a chain of post-processing passes
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to produce the final visual result. Post-processing passes are executed in order of their addition/insertion.
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The last pass is automatically rendered to screen.
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</p>
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<h2>Examples</h2>
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<p>
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[example:webgl_postprocessing postprocessing]<br />
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[example:webgl_postprocessing_advanced postprocessing advanced]<br />
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[example:webgl_postprocessing_backgrounds postprocessing backgrounds]<br />
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[example:webgl_postprocessing_crossfade postprocessing crossfade]<br />
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[example:webgl_postprocessing_dof postprocessing depth-of-field]<br />
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[example:webgl_postprocessing_dof2 postprocessing depth-of-field 2]<br />
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[example:webgl_postprocessing_fxaa postprocessing fxaa]<br />
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[example:webgl_postprocessing_glitch postprocessing glitch]<br />
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[example:webgl_postprocessing_godrays postprocessing godrays]<br />
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[example:webgl_postprocessing_masking postprocessing masking]<br />
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[example:webgl_postprocessing_outline postprocessing outline]<br />
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[example:webgl_postprocessing_pixel postprocessing pixelate]<br />
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[example:webgl_postprocessing_procedural postprocessing procedural]<br />
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[example:webgl_postprocessing_rgb_halftone postprocessing rgb halftone]<br />
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[example:webgl_postprocessing_sao postprocessing sao]<br />
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[example:webgl_postprocessing_smaa postprocessing smaa]<br />
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[example:webgl_postprocessing_sobel postprocessing sobel]<br />
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[example:webgl_postprocessing_ssaa postprocessing ssaa]<br />
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[example:webgl_postprocessing_ssao postprocessing ssao]<br />
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[example:webgl_postprocessing_taa postprocessing taa]<br />
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[example:webgl_postprocessing_unreal_bloom postprocessing unreal bloom]<br />
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[example:webgl_postprocessing_unreal_bloom_selective postprocessing unreal bloom selective]<br />
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</p>
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<h2>Constructor</h2>
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<h3>[name]( [param:WebGLRenderer renderer], [param:WebGLRenderTarget renderTarget] )</h3>
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<p>
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[page:WebGLRenderer renderer] -- The renderer used to render the scene. <br />
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[page:WebGLRenderTarget renderTarget] -- (optional) A preconfigured render target internally used by [name].
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</p>
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<h2>Properties</h2>
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<h3>[property:Array passes]</h3>
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<p>
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An array representing the (ordered) chain of post-processing passes.
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</p>
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<h3>[property:WebGLRenderTarget readBuffer]</h3>
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<p>
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A reference to the internal read buffer. Passes usually read the previous render result from this buffer.
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</p>
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<h3>[property:WebGLRenderer renderer]</h3>
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<p>
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A reference to the internal renderer.
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</p>
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<h3>[property:Boolean renderToScreen]</h3>
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<p>
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Whether the final pass is rendered to the screen (default framebuffer) or not.
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</p>
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<h3>[property:WebGLRenderTarget writeBuffer]</h3>
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<p>
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A reference to the internal write buffer. Passes usually write their result into this buffer.
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</p>
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<h2>Methods</h2>
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<h3>[method:undefined addPass]( [param:Pass pass] )</h3>
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<p>
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pass -- The pass to add to the pass chain.<br /><br />
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Adds the given pass to the pass chain.
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</p>
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<h3>[method:undefined dispose]()</h3>
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<p>
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Frees the GPU-related resources allocated by this instance. Call this method whenever this instance is no longer used in your app.
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</p>
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<h3>[method:undefined insertPass]( [param:Pass pass], [param:Integer index] )</h3>
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<p>
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pass -- The pass to insert into the pass chain.<br />
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index -- Defines the position in the pass chain where the pass should be inserted.<br /><br />
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Inserts the given pass into the pass chain at the given index.
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</p>
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<h3>[method:Boolean isLastEnabledPass]( [param:Integer passIndex] )</h3>
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<p>
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passIndex -- The pass to check.<br /><br />
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Returns true if the pass for the given index is the last enabled pass in the pass chain.
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Used by [name] to determine when a pass should be rendered to screen.
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</p>
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<h3>[method:undefined removePass]( [param:Pass pass] )</h3>
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<p>
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pass -- The pass to remove from the pass chain.<br /><br />
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Removes the given pass from the pass chain.
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</p>
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<h3>[method:undefined render]( [param:Float deltaTime] )</h3>
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<p>
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deltaTime -- The delta time value.<br /><br />
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Executes all enabled post-processing passes in order to produce the final frame.
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</p>
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<h3>[method:undefined reset]( [param:WebGLRenderTarget renderTarget] )</h3>
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<p>
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[page:WebGLRenderTarget renderTarget] -- (optional) A preconfigured render target internally used by [name]..<br /><br />
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Resets the internal state of the [name].
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</p>
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<h3>[method:undefined setPixelRatio]( [param:Float pixelRatio] )</h3>
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<p>
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pixelRatio -- The device pixel ratio.<br /><br />
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Sets device pixel ratio. This is usually used for HiDPI device to prevent blurring output.
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Thus, the semantic of the method is similar to [page:WebGLRenderer.setPixelRatio]().
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</p>
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<h3>[method:undefined setSize]( [param:Integer width], [param:Integer height] )</h3>
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<p>
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width -- The width of the [name].<br />
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height -- The height of the [name].<br /><br />
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Resizes the internal render buffers and passes to (width, height) with device pixel ratio taken into account.
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Thus, the semantic of the method is similar to [page:WebGLRenderer.setSize]().
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</p>
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<h3>[method:undefined swapBuffers]()</h3>
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<p>Swaps the internal read/write buffers.</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/examples/jsm/postprocessing/EffectComposer.js examples/jsm/postprocessing/EffectComposer.js]
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</p>
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</body>
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</html>
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