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WebGLRenderer: Moved background code to WebGLBackground.
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,139 @@ | ||
| /** | ||
| * @author mrdoob / http://mrdoob.com/ | ||
| */ | ||
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| import { BackSide } from '../../constants'; | ||
| import { OrthographicCamera } from '../../cameras/OrthographicCamera'; | ||
| import { PerspectiveCamera } from '../../cameras/PerspectiveCamera'; | ||
| import { BoxBufferGeometry } from '../../geometries/BoxGeometry'; | ||
| import { PlaneBufferGeometry } from '../../geometries/PlaneGeometry'; | ||
| import { MeshBasicMaterial } from '../../materials/MeshBasicMaterial'; | ||
| import { ShaderMaterial } from '../../materials/ShaderMaterial'; | ||
| import { Color } from '../../math/Color'; | ||
| import { Mesh } from '../../objects/Mesh'; | ||
| import { ShaderLib } from '../shaders/ShaderLib'; | ||
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| function WebGLBackground( renderer, state, objects, premultipliedAlpha ) { | ||
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| var clearColor = new Color( 0x000000 ); | ||
| var clearAlpha = 0; | ||
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| var planeCamera, planeMesh; | ||
| var boxCamera, boxMesh; | ||
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| function render( scene, camera, forceClear ) { | ||
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| var background = scene.background; | ||
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| if ( background === null ) { | ||
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| setClear( clearColor, clearAlpha ); | ||
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| } else if ( background && background.isColor ) { | ||
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| setClear( background, 1 ); | ||
| forceClear = true; | ||
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| } | ||
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| if ( renderer.autoClear || forceClear ) { | ||
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| renderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil ); | ||
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| } | ||
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| if ( background && background.isCubeTexture ) { | ||
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| if ( boxCamera === undefined ) { | ||
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| boxCamera = new PerspectiveCamera(); | ||
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| boxMesh = new Mesh( | ||
| new BoxBufferGeometry( 5, 5, 5 ), | ||
| new ShaderMaterial( { | ||
| uniforms: ShaderLib.cube.uniforms, | ||
| vertexShader: ShaderLib.cube.vertexShader, | ||
| fragmentShader: ShaderLib.cube.fragmentShader, | ||
| side: BackSide, | ||
| depthTest: false, | ||
| depthWrite: false, | ||
| fog: false | ||
| } ) | ||
| ); | ||
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| } | ||
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| boxCamera.projectionMatrix.copy( camera.projectionMatrix ); | ||
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| boxCamera.matrixWorld.extractRotation( camera.matrixWorld ); | ||
| boxCamera.matrixWorldInverse.getInverse( boxCamera.matrixWorld ); | ||
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| boxMesh.material.uniforms[ "tCube" ].value = background; | ||
| boxMesh.modelViewMatrix.multiplyMatrices( boxCamera.matrixWorldInverse, boxMesh.matrixWorld ); | ||
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| objects.update( boxMesh ); | ||
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| renderer.renderBufferDirect( boxCamera, null, boxMesh.geometry, boxMesh.material, boxMesh, null ); | ||
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| } else if ( background && background.isTexture ) { | ||
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| if ( planeCamera === undefined ) { | ||
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| planeCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 ); | ||
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| planeMesh = new Mesh( | ||
| new PlaneBufferGeometry( 2, 2 ), | ||
| new MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } ) | ||
| ); | ||
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| } | ||
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| planeMesh.material.map = background; | ||
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| objects.update( planeMesh ); | ||
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| renderer.renderBufferDirect( planeCamera, null, planeMesh.geometry, planeMesh.material, planeMesh, null ); | ||
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| } | ||
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| } | ||
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| function setClear( color, alpha ) { | ||
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| state.buffers.color.setClear( color.r, color.g, color.b, alpha, premultipliedAlpha ); | ||
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| } | ||
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| return { | ||
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| getClearColor: function () { | ||
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| return clearColor; | ||
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| }, | ||
| setClearColor: function ( color, alpha ) { | ||
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| clearColor.set( color ); | ||
| clearAlpha = alpha !== undefined ? alpha : 1; | ||
| setClear( clearColor, clearAlpha ); | ||
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| }, | ||
| getClearAlpha: function () { | ||
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| return clearAlpha; | ||
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| }, | ||
| setClearAlpha: function ( alpha ) { | ||
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| clearAlpha = alpha; | ||
| setClear( clearColor, clearAlpha ); | ||
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| }, | ||
| render: render | ||
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| }; | ||
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| } | ||
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| export { WebGLBackground }; |