添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/loaders/LUTCubeLoader.js

@@ -0,0 +1,153 @@
+// https://wwwimages2.adobe.com/content/dam/acom/en/products/speedgrade/cc/pdfs/cube-lut-specification-1.0.pdf
+
+import {
+	ClampToEdgeWrapping,
+	Data3DTexture,
+	FileLoader,
+	FloatType,
+	LinearFilter,
+	Loader,
+	UnsignedByteType,
+	Vector3,
+} from 'three';
+
+export class LUTCubeLoader extends Loader {
+
+	constructor( manager ) {
+
+		super( manager );
+
+		this.type = UnsignedByteType;
+
+	}
+
+	setType( type ) {
+
+		if ( type !== UnsignedByteType && type !== FloatType ) {
+
+			throw new Error( 'LUTCubeLoader: Unsupported type' );
+
+		}
+
+		this.type = type;
+
+		return this;
+
+	}
+
+	load( url, onLoad, onProgress, onError ) {
+
+		const loader = new FileLoader( this.manager );
+		loader.setPath( this.path );
+		loader.setResponseType( 'text' );
+		loader.load( url, text => {
+
+			try {
+
+				onLoad( this.parse( text ) );
+
+			} catch ( e ) {
+
+				if ( onError ) {
+
+					onError( e );
+
+				} else {
+
+					console.error( e );
+
+				}
+
+				this.manager.itemError( url );
+
+			}
+
+		}, onProgress, onError );
+
+	}
+
+	parse( input ) {
+
+		const regExpTitle = /TITLE +"([^"]*)"/;
+		const regExpSize = /LUT_3D_SIZE +(\d+)/;
+		const regExpDomainMin = /DOMAIN_MIN +([\d.]+) +([\d.]+) +([\d.]+)/;
+		const regExpDomainMax = /DOMAIN_MAX +([\d.]+) +([\d.]+) +([\d.]+)/;
+		const regExpDataPoints = /^([\d.e+-]+) +([\d.e+-]+) +([\d.e+-]+) *$/gm;
+
+		let result = regExpTitle.exec( input );
+		const title = ( result !== null ) ? result[ 1 ] : null;
+
+		result = regExpSize.exec( input );
+
+		if ( result === null ) {
+
+			throw new Error( 'LUTCubeLoader: Missing LUT_3D_SIZE information' );
+
+		}
+
+		const size = Number( result[ 1 ] );
+		const length = size ** 3 * 4;
+		const data = this.type === UnsignedByteType ? new Uint8Array( length ) : new Float32Array( length );
+
+		const domainMin = new Vector3( 0, 0, 0 );
+		const domainMax = new Vector3( 1, 1, 1 );
+
+		result = regExpDomainMin.exec( input );
+
+		if ( result !== null ) {
+
+			domainMin.set( Number( result[ 1 ] ), Number( result[ 2 ] ), Number( result[ 3 ] ) );
+
+		}
+
+		result = regExpDomainMax.exec( input );
+
+		if ( result !== null ) {
+
+			domainMax.set( Number( result[ 1 ] ), Number( result[ 2 ] ), Number( result[ 3 ] ) );
+
+		}
+
+		if ( domainMin.x > domainMax.x || domainMin.y > domainMax.y || domainMin.z > domainMax.z ) {
+
+			throw new Error( 'LUTCubeLoader: Invalid input domain' );
+
+		}
+
+		const scale = this.type === UnsignedByteType ? 255 : 1;
+		let i = 0;
+
+		while ( ( result = regExpDataPoints.exec( input ) ) !== null ) {
+
+			data[ i ++ ] = Number( result[ 1 ] ) * scale;
+			data[ i ++ ] = Number( result[ 2 ] ) * scale;
+			data[ i ++ ] = Number( result[ 3 ] ) * scale;
+			data[ i ++ ] = scale;
+
+		}
+
+		const texture3D = new Data3DTexture();
+		texture3D.image.data = data;
+		texture3D.image.width = size;
+		texture3D.image.height = size;
+		texture3D.image.depth = size;
+		texture3D.type = this.type;
+		texture3D.magFilter = LinearFilter;
+		texture3D.minFilter = LinearFilter;
+		texture3D.wrapS = ClampToEdgeWrapping;
+		texture3D.wrapT = ClampToEdgeWrapping;
+		texture3D.wrapR = ClampToEdgeWrapping;
+		texture3D.generateMipmaps = false;
+		texture3D.needsUpdate = true;
+
+		return {
+			title,
+			size,
+			domainMin,
+			domainMax,
+			texture3D,
+		};
+
+	}
+
+}