File size: 1,486 Bytes
b797337 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | 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 };
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