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66 lines
1.9 KiB
66 lines
1.9 KiB
6 months ago
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import { WebGLCubeRenderTarget, Scene, CubeCamera, BoxGeometry, Mesh, BackSide, NoBlending, LinearFilter, LinearMipmapLinearFilter } from 'three';
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import { equirectUV } from '../../nodes/utils/EquirectUVNode.js';
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import { texture as TSL_Texture } from '../../nodes/accessors/TextureNode.js';
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import { positionWorldDirection } from '../../nodes/accessors/PositionNode.js';
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import { createNodeMaterialFromType } from '../../nodes/materials/NodeMaterial.js';
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// @TODO: Consider rename WebGLCubeRenderTarget to just CubeRenderTarget
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class CubeRenderTarget extends WebGLCubeRenderTarget {
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constructor( size = 1, options = {} ) {
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super( size, options );
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this.isCubeRenderTarget = true;
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}
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fromEquirectangularTexture( renderer, texture ) {
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const currentMinFilter = texture.minFilter;
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const currentGenerateMipmaps = texture.generateMipmaps;
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texture.generateMipmaps = true;
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this.texture.type = texture.type;
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this.texture.colorSpace = texture.colorSpace;
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this.texture.generateMipmaps = texture.generateMipmaps;
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this.texture.minFilter = texture.minFilter;
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this.texture.magFilter = texture.magFilter;
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const geometry = new BoxGeometry( 5, 5, 5 );
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const uvNode = equirectUV( positionWorldDirection );
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const material = createNodeMaterialFromType( 'MeshBasicNodeMaterial' );
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material.colorNode = TSL_Texture( texture, uvNode, 0 );
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material.side = BackSide;
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material.blending = NoBlending;
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const mesh = new Mesh( geometry, material );
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const scene = new Scene();
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scene.add( mesh );
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// Avoid blurred poles
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if ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter;
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const camera = new CubeCamera( 1, 10, this );
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camera.update( renderer, scene );
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texture.minFilter = currentMinFilter;
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texture.currentGenerateMipmaps = currentGenerateMipmaps;
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mesh.geometry.dispose();
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mesh.material.dispose();
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return this;
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}
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}
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export default CubeRenderTarget;
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