添加关照、全局等高线、修改图层问题

dist/electron/static/sdk/three/jsm/geometries/InstancedPointsGeometry.js

@@ -0,0 +1,174 @@
+import {
+	Box3,
+	Float32BufferAttribute,
+	InstancedBufferGeometry,
+	InstancedBufferAttribute,
+	Sphere,
+	Vector3
+} from 'three';
+
+const _vector = new Vector3();
+
+class InstancedPointsGeometry extends InstancedBufferGeometry {
+
+	constructor() {
+
+		super();
+
+		this.isInstancedPointsGeometry = true;
+
+		this.type = 'InstancedPointsGeometry';
+
+		const positions = [ - 1, 1, 0, 1, 1, 0, - 1, - 1, 0, 1, - 1, 0 ];
+		const uvs = [ - 1, 1, 1, 1, - 1, - 1, 1, - 1 ];
+		const index = [ 0, 2, 1, 2, 3, 1 ];
+
+		this.setIndex( index );
+		this.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );
+		this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+	}
+
+	applyMatrix4( matrix ) {
+
+		const pos = this.attributes.instancePosition;
+
+		if ( pos !== undefined ) {
+
+			pos.applyMatrix4( matrix );
+
+			pos.needsUpdate = true;
+
+		}
+
+		if ( this.boundingBox !== null ) {
+
+			this.computeBoundingBox();
+
+		}
+
+		if ( this.boundingSphere !== null ) {
+
+			this.computeBoundingSphere();
+
+		}
+
+		return this;
+
+	}
+
+	setPositions( array ) {
+
+		let points;
+
+		if ( array instanceof Float32Array ) {
+
+			points = array;
+
+		} else if ( Array.isArray( array ) ) {
+
+			points = new Float32Array( array );
+
+		}
+
+		this.setAttribute( 'instancePosition', new InstancedBufferAttribute( points, 3 ) ); // xyz
+
+		//
+
+		this.computeBoundingBox();
+		this.computeBoundingSphere();
+
+		return this;
+
+	}
+
+	setColors( array ) {
+
+		let colors;
+
+		if ( array instanceof Float32Array ) {
+
+			colors = array;
+
+		} else if ( Array.isArray( array ) ) {
+
+			colors = new Float32Array( array );
+
+		}
+
+		this.setAttribute( 'instanceColor', new InstancedBufferAttribute( colors, 3 ) ); // rgb
+
+		return this;
+
+	}
+
+	computeBoundingBox() {
+
+		if ( this.boundingBox === null ) {
+
+			this.boundingBox = new Box3();
+
+		}
+
+		const pos = this.attributes.instancePosition;
+
+		if ( pos !== undefined ) {
+
+			this.boundingBox.setFromBufferAttribute( pos );
+
+		}
+
+	}
+
+	computeBoundingSphere() {
+
+		if ( this.boundingSphere === null ) {
+
+			this.boundingSphere = new Sphere();
+
+		}
+
+		if ( this.boundingBox === null ) {
+
+			this.computeBoundingBox();
+
+		}
+
+		const pos = this.attributes.instancePosition;
+
+		if ( pos !== undefined ) {
+
+			const center = this.boundingSphere.center;
+
+			this.boundingBox.getCenter( center );
+
+			let maxRadiusSq = 0;
+
+			for ( let i = 0, il = pos.count; i < il; i ++ ) {
+
+				_vector.fromBufferAttribute( pos, i );
+				maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector ) );
+
+			}
+
+			this.boundingSphere.radius = Math.sqrt( maxRadiusSq );
+
+			if ( isNaN( this.boundingSphere.radius ) ) {
+
+				console.error( 'THREE.InstancedPointsGeometry.computeBoundingSphere(): Computed radius is NaN. The instanced position data is likely to have NaN values.', this );
+
+			}
+
+		}
+
+	}
+
+	toJSON() {
+
+		// todo
+
+	}
+
+}
+
+export default InstancedPointsGeometry;