import { LineSegments } from '../objects/LineSegments.js'; import { LineBasicMaterial } from '../materials/LineBasicMaterial.js'; import { Float32BufferAttribute } from '../core/BufferAttribute.js'; import { BufferGeometry } from '../core/BufferGeometry.js'; import { Color } from '../math/Color.js'; class AxesHelper extends LineSegments { constructor(size = 1) { const vertices = [0, 0, 0, size, 0, 0, 0, 0, 0, 0, size, 0, 0, 0, 0, 0, 0, size]; const colors = [1, 0, 0, 1, 0.6, 0, 0, 1, 0, 0.6, 1, 0, 0, 0, 1, 0, 0.6, 1]; const geometry = new BufferGeometry(); geometry.setAttribute('position', new Float32BufferAttribute(vertices, 3)); geometry.setAttribute('color', new Float32BufferAttribute(colors, 3)); const material = new LineBasicMaterial({ vertexColors: true, toneMapped: false }); super(geometry, material); this.type = 'AxesHelper'; } setColors(xAxisColor, yAxisColor, zAxisColor) { const color = new Color(); const array = this.geometry.attributes.color.array; color.set(xAxisColor); color.toArray(array, 0); color.toArray(array, 3); color.set(yAxisColor); color.toArray(array, 6); color.toArray(array, 9); color.set(zAxisColor); color.toArray(array, 12); color.toArray(array, 15); this.geometry.attributes.color.needsUpdate = true; return this; } dispose() { this.geometry.dispose(); this.material.dispose(); } } export { AxesHelper };