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import { LineSegments } from '../objects/LineSegments.js';
import { LineBasicMaterial } from '../materials/LineBasicMaterial.js';
import { BufferAttribute, Float32BufferAttribute } from '../core/BufferAttribute.js';
import { BufferGeometry } from '../core/BufferGeometry.js';
class Box3Helper extends LineSegments {
constructor( box, color = 0xffff00 ) {
const indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );
const positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ];
const geometry = new BufferGeometry();
geometry.setIndex( new BufferAttribute( indices, 1 ) );
geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );
super( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );
this.box = box;
this.type = 'Box3Helper';
this.geometry.computeBoundingSphere();
}
updateMatrixWorld( force ) {
const box = this.box;
if ( box.isEmpty() ) return;
box.getCenter( this.position );
box.getSize( this.scale );
this.scale.multiplyScalar( 0.5 );
super.updateMatrixWorld( force );
}
dispose() {
this.geometry.dispose();
this.material.dispose();
}
}
export { Box3Helper };