import { Attribute } from "../geometry/Attribute.ts";
import { Geometry } from "../geometry/Geometry.ts";
import { LineSegments } from "../objects/LineSegments.ts";

/** Displays the three coordinate axes as RGB lines. */
export class AxesHelper extends LineSegments {
	override type = "AxesHelper";

	constructor(size = 1) {
		const geometry = new Geometry();

		geometry.setAttribute(
			"position",
			new Attribute(
				new Float32Array([
					0,
					0,
					0,
					size,
					0,
					0,
					0,
					0,
					0,
					0,
					size,
					0,
					0,
					0,
					0,
					0,
					0,
					size,
				]),
				3,
			),
		);

		geometry.setAttribute(
			"color",
			new Attribute(
				new Float32Array([
					1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1,
				]),
				3,
			),
		);

		super(geometry);
	}

	dispose(): void {
		this.geometry?.dispose();
	}
}