import { Line } from '../objects/Line.js'; import { Mesh } from '../objects/Mesh.js'; import { LineBasicMaterial } from '../materials/LineBasicMaterial.js'; import { MeshBasicMaterial } from '../materials/MeshBasicMaterial.js'; import { Float32BufferAttribute } from '../core/BufferAttribute.js'; import { BufferGeometry } from '../core/BufferGeometry.js'; class PlaneHelper extends Line { constructor( plane, size = 1, hex = 0xffff00 ) { const color = hex; const positions = [ 1, - 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, - 1, 0, 1, 1, 0 ]; const geometry = new BufferGeometry(); geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); geometry.computeBoundingSphere(); super( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); this.type = 'PlaneHelper'; this.plane = plane; this.size = size; const positions2 = [ 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, - 1, 0, 1, - 1, 0 ]; const geometry2 = new BufferGeometry(); geometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) ); geometry2.computeBoundingSphere(); this.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) ); } updateMatrixWorld( force ) { this.position.set( 0, 0, 0 ); this.scale.set( 0.5 * this.size, 0.5 * this.size, 1 ); this.lookAt( this.plane.normal ); this.translateZ( - this.plane.constant ); super.updateMatrixWorld( force ); } } export { PlaneHelper };