最新代码

public/sdk/three/jsm/renderers/common/CubeRenderTarget.js

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