添加关照、全局等高线、修改图层问题

dist/electron/static/sdk/three/jsm/lights/IESSpotLight.js

@@ -0,0 +1,25 @@
+import { SpotLight } from 'three';
+
+class IESSpotLight extends SpotLight {
+
+	constructor( color, intensity, distance, angle, penumbra, decay ) {
+
+		super( color, intensity, distance, angle, penumbra, decay );
+
+		this.iesMap = null;
+
+	}
+
+	copy( source, recursive ) {
+
+		super.copy( source, recursive );
+
+		this.iesMap = source.iesMap;
+
+		return this;
+
+	}
+
+}
+
+export default IESSpotLight;

dist/electron/static/sdk/three/jsm/lights/LightProbeGenerator.js

@@ -0,0 +1,286 @@
+import {
+	Color,
+	LightProbe,
+	LinearSRGBColorSpace,
+	SphericalHarmonics3,
+	Vector3,
+	SRGBColorSpace,
+	NoColorSpace,
+	HalfFloatType,
+	DataUtils
+} from 'three';
+
+class LightProbeGenerator {
+
+	// https://www.ppsloan.org/publications/StupidSH36.pdf
+	static fromCubeTexture( cubeTexture ) {
+
+		let totalWeight = 0;
+
+		const coord = new Vector3();
+
+		const dir = new Vector3();
+
+		const color = new Color();
+
+		const shBasis = [ 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
+
+		const sh = new SphericalHarmonics3();
+		const shCoefficients = sh.coefficients;
+
+		for ( let faceIndex = 0; faceIndex < 6; faceIndex ++ ) {
+
+			const image = cubeTexture.image[ faceIndex ];
+
+			const width = image.width;
+			const height = image.height;
+
+			const canvas = document.createElement( 'canvas' );
+
+			canvas.width = width;
+			canvas.height = height;
+
+			const context = canvas.getContext( '2d' );
+
+			context.drawImage( image, 0, 0, width, height );
+
+			const imageData = context.getImageData( 0, 0, width, height );
+
+			const data = imageData.data;
+
+			const imageWidth = imageData.width; // assumed to be square
+
+			const pixelSize = 2 / imageWidth;
+
+			for ( let i = 0, il = data.length; i < il; i += 4 ) { // RGBA assumed
+
+				// pixel color
+				color.setRGB( data[ i ] / 255, data[ i + 1 ] / 255, data[ i + 2 ] / 255 );
+
+				// convert to linear color space
+				convertColorToLinear( color, cubeTexture.colorSpace );
+
+				// pixel coordinate on unit cube
+
+				const pixelIndex = i / 4;
+
+				const col = - 1 + ( pixelIndex % imageWidth + 0.5 ) * pixelSize;
+
+				const row = 1 - ( Math.floor( pixelIndex / imageWidth ) + 0.5 ) * pixelSize;
+
+				switch ( faceIndex ) {
+
+					case 0: coord.set( - 1, row, - col ); break;
+
+					case 1: coord.set( 1, row, col ); break;
+
+					case 2: coord.set( - col, 1, - row ); break;
+
+					case 3: coord.set( - col, - 1, row ); break;
+
+					case 4: coord.set( - col, row, 1 ); break;
+
+					case 5: coord.set( col, row, - 1 ); break;
+
+				}
+
+				// weight assigned to this pixel
+
+				const lengthSq = coord.lengthSq();
+
+				const weight = 4 / ( Math.sqrt( lengthSq ) * lengthSq );
+
+				totalWeight += weight;
+
+				// direction vector to this pixel
+				dir.copy( coord ).normalize();
+
+				// evaluate SH basis functions in direction dir
+				SphericalHarmonics3.getBasisAt( dir, shBasis );
+
+				// accummuulate
+				for ( let j = 0; j < 9; j ++ ) {
+
+					shCoefficients[ j ].x += shBasis[ j ] * color.r * weight;
+					shCoefficients[ j ].y += shBasis[ j ] * color.g * weight;
+					shCoefficients[ j ].z += shBasis[ j ] * color.b * weight;
+
+				}
+
+			}
+
+		}
+
+		// normalize
+		const norm = ( 4 * Math.PI ) / totalWeight;
+
+		for ( let j = 0; j < 9; j ++ ) {
+
+			shCoefficients[ j ].x *= norm;
+			shCoefficients[ j ].y *= norm;
+			shCoefficients[ j ].z *= norm;
+
+		}
+
+		return new LightProbe( sh );
+
+	}
+
+	static fromCubeRenderTarget( renderer, cubeRenderTarget ) {
+
+		// The renderTarget must be set to RGBA in order to make readRenderTargetPixels works
+		let totalWeight = 0;
+
+		const coord = new Vector3();
+
+		const dir = new Vector3();
+
+		const color = new Color();
+
+		const shBasis = [ 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
+
+		const sh = new SphericalHarmonics3();
+		const shCoefficients = sh.coefficients;
+
+		const dataType = cubeRenderTarget.texture.type;
+
+		for ( let faceIndex = 0; faceIndex < 6; faceIndex ++ ) {
+
+			const imageWidth = cubeRenderTarget.width; // assumed to be square
+
+			let data;
+
+			if ( dataType === HalfFloatType ) {
+
+				data = new Uint16Array( imageWidth * imageWidth * 4 );
+
+			} else {
+
+				// assuming UnsignedByteType
+
+				data = new Uint8Array( imageWidth * imageWidth * 4 );
+
+			}
+
+			renderer.readRenderTargetPixels( cubeRenderTarget, 0, 0, imageWidth, imageWidth, data, faceIndex );
+
+			const pixelSize = 2 / imageWidth;
+
+			for ( let i = 0, il = data.length; i < il; i += 4 ) { // RGBA assumed
+
+				let r, g, b;
+
+				if ( dataType === HalfFloatType ) {
+
+					r = DataUtils.fromHalfFloat( data[ i ] );
+					g = DataUtils.fromHalfFloat( data[ i + 1 ] );
+					b = DataUtils.fromHalfFloat( data[ i + 2 ] );
+
+				} else {
+
+					r = data[ i ] / 255;
+					g = data[ i + 1 ] / 255;
+					b = data[ i + 2 ] / 255;
+
+				}
+
+				// pixel color
+				color.setRGB( r, g, b );
+
+				// convert to linear color space
+				convertColorToLinear( color, cubeRenderTarget.texture.colorSpace );
+
+				// pixel coordinate on unit cube
+
+				const pixelIndex = i / 4;
+
+				const col = - 1 + ( pixelIndex % imageWidth + 0.5 ) * pixelSize;
+
+				const row = 1 - ( Math.floor( pixelIndex / imageWidth ) + 0.5 ) * pixelSize;
+
+				switch ( faceIndex ) {
+
+					case 0: coord.set( 1, row, - col ); break;
+
+					case 1: coord.set( - 1, row, col ); break;
+
+					case 2: coord.set( col, 1, - row ); break;
+
+					case 3: coord.set( col, - 1, row ); break;
+
+					case 4: coord.set( col, row, 1 ); break;
+
+					case 5: coord.set( - col, row, - 1 ); break;
+
+				}
+
+				// weight assigned to this pixel
+
+				const lengthSq = coord.lengthSq();
+
+				const weight = 4 / ( Math.sqrt( lengthSq ) * lengthSq );
+
+				totalWeight += weight;
+
+				// direction vector to this pixel
+				dir.copy( coord ).normalize();
+
+				// evaluate SH basis functions in direction dir
+				SphericalHarmonics3.getBasisAt( dir, shBasis );
+
+				// accummuulate
+				for ( let j = 0; j < 9; j ++ ) {
+
+					shCoefficients[ j ].x += shBasis[ j ] * color.r * weight;
+					shCoefficients[ j ].y += shBasis[ j ] * color.g * weight;
+					shCoefficients[ j ].z += shBasis[ j ] * color.b * weight;
+
+				}
+
+			}
+
+		}
+
+		// normalize
+		const norm = ( 4 * Math.PI ) / totalWeight;
+
+		for ( let j = 0; j < 9; j ++ ) {
+
+			shCoefficients[ j ].x *= norm;
+			shCoefficients[ j ].y *= norm;
+			shCoefficients[ j ].z *= norm;
+
+		}
+
+		return new LightProbe( sh );
+
+	}
+
+}
+
+function convertColorToLinear( color, colorSpace ) {
+
+	switch ( colorSpace ) {
+
+		case SRGBColorSpace:
+
+			color.convertSRGBToLinear();
+			break;
+
+		case LinearSRGBColorSpace:
+		case NoColorSpace:
+
+			break;
+
+		default:
+
+			console.warn( 'WARNING: LightProbeGenerator convertColorToLinear() encountered an unsupported color space.' );
+			break;
+
+	}
+
+	return color;
+
+}
+
+export { LightProbeGenerator };