polygonjs-engine/src/engine/nodes/sop/utils/CopyStamp.ts

node-based webgl 3D engine https://polygonjs.com

import {BaseCopyStamp} from '../../utils/CopyStamp';
import {CorePoint} from '../../../../core/geometry/Point';

export class CopyStamp extends BaseCopyStamp {
	protected _point: CorePoint | undefined;

	set_point(point: CorePoint) {
		this._point = point;
		this.setDirty();
		this.removeDirtyState();
	}

	value(attrib_name?: string) {
		if (this._point) {
			if (attrib_name) {
				return this._point.attribValue(attrib_name);
			} else {
				return this._point.index();
			}
		} else {
			return this._global_index;
		}
	}
}