添加关照、全局等高线、修改图层问题

dist/electron/static/sdk/three/jsm/renderers/common/Geometries.js

@@ -0,0 +1,215 @@
+import DataMap from './DataMap.js';
+import { AttributeType } from './Constants.js';
+import { Uint32BufferAttribute, Uint16BufferAttribute } from 'three';
+
+function arrayNeedsUint32( array ) {
+
+	// assumes larger values usually on last
+
+	for ( let i = array.length - 1; i >= 0; -- i ) {
+
+		if ( array[ i ] >= 65535 ) return true; // account for PRIMITIVE_RESTART_FIXED_INDEX, #24565
+
+	}
+
+	return false;
+
+}
+
+function getWireframeVersion( geometry ) {
+
+	return ( geometry.index !== null ) ? geometry.index.version : geometry.attributes.position.version;
+
+}
+
+function getWireframeIndex( geometry ) {
+
+	const indices = [];
+
+	const geometryIndex = geometry.index;
+	const geometryPosition = geometry.attributes.position;
+
+	if ( geometryIndex !== null ) {
+
+		const array = geometryIndex.array;
+
+		for ( let i = 0, l = array.length; i < l; i += 3 ) {
+
+			const a = array[ i + 0 ];
+			const b = array[ i + 1 ];
+			const c = array[ i + 2 ];
+
+			indices.push( a, b, b, c, c, a );
+
+		}
+
+	} else {
+
+		const array = geometryPosition.array;
+
+		for ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {
+
+			const a = i + 0;
+			const b = i + 1;
+			const c = i + 2;
+
+			indices.push( a, b, b, c, c, a );
+
+		}
+
+	}
+
+	const attribute = new ( arrayNeedsUint32( indices ) ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 );
+	attribute.version = getWireframeVersion( geometry );
+
+	return attribute;
+
+}
+
+class Geometries extends DataMap {
+
+	constructor( attributes, info ) {
+
+		super();
+
+		this.attributes = attributes;
+		this.info = info;
+
+		this.wireframes = new WeakMap();
+		this.attributeCall = new WeakMap();
+
+	}
+
+	has( renderObject ) {
+
+		const geometry = renderObject.geometry;
+
+		return super.has( geometry ) && this.get( geometry ).initialized === true;
+
+	}
+
+	updateForRender( renderObject ) {
+
+		if ( this.has( renderObject ) === false ) this.initGeometry( renderObject );
+
+		this.updateAttributes( renderObject );
+
+	}
+
+	initGeometry( renderObject ) {
+
+		const geometry = renderObject.geometry;
+		const geometryData = this.get( geometry );
+
+		geometryData.initialized = true;
+
+		this.info.memory.geometries ++;
+
+		const onDispose = () => {
+
+			this.info.memory.geometries --;
+
+			const index = geometry.index;
+			const geometryAttributes = renderObject.getAttributes();
+
+			if ( index !== null ) {
+
+				this.attributes.delete( index );
+
+			}
+
+			for ( const geometryAttribute of geometryAttributes ) {
+
+				this.attributes.delete( geometryAttribute );
+
+			}
+
+			const wireframeAttribute = this.wireframes.get( geometry );
+
+			if ( wireframeAttribute !== undefined ) {
+
+				this.attributes.delete( wireframeAttribute );
+
+			}
+
+			geometry.removeEventListener( 'dispose', onDispose );
+
+		};
+
+		geometry.addEventListener( 'dispose', onDispose );
+
+	}
+
+	updateAttributes( renderObject ) {
+
+		const attributes = renderObject.getAttributes();
+
+		for ( const attribute of attributes ) {
+
+			this.updateAttribute( attribute, AttributeType.VERTEX );
+
+		}
+
+		const index = this.getIndex( renderObject );
+
+		if ( index !== null ) {
+
+			this.updateAttribute( index, AttributeType.INDEX );
+
+		}
+
+	}
+
+	updateAttribute( attribute, type ) {
+
+		const callId = this.info.render.calls;
+
+		if ( this.attributeCall.get( attribute ) !== callId ) {
+
+			this.attributes.update( attribute, type );
+
+			this.attributeCall.set( attribute, callId );
+
+		}
+
+	}
+
+	getIndex( renderObject ) {
+
+		const { geometry, material } = renderObject;
+
+		let index = geometry.index;
+
+		if ( material.wireframe === true ) {
+
+			const wireframes = this.wireframes;
+
+			let wireframeAttribute = wireframes.get( geometry );
+
+			if ( wireframeAttribute === undefined ) {
+
+				wireframeAttribute = getWireframeIndex( geometry );
+
+				wireframes.set( geometry, wireframeAttribute );
+
+			} else if ( wireframeAttribute.version !== getWireframeVersion( geometry ) ) {
+
+				this.attributes.delete( wireframeAttribute );
+
+				wireframeAttribute = getWireframeIndex( geometry );
+
+				wireframes.set( geometry, wireframeAttribute );
+
+			}
+
+			index = wireframeAttribute;
+
+		}
+
+		return index;
+
+	}
+
+}
+
+export default Geometries;