| 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 }; |
|
|
