Method hitTest

src/main/java/fieldbox/boxes/plugins/Handles.java:310–319

(Draggable x, Vec3 nodePosition, Vec2 mousePosition)

		if (x.source != null && x.source.attributes.has(inside)) {
			Viewport v = x.source.attributes.get(inside);
			Vec2 at = v.viewportToDrawingSpace(nodePosition);
			return at.distance(mousePosition);
		}

		return nodePosition.toVec2().distance(mousePosition);
	}

	private Vec3 applyDrag(Draggable x, Vec2 mouseWas, Vec2 mouseNow, Vec3 initialPosition) {
		if (x.source != null && x.source.attributes.has(inside)) {
			System.out.println(" this is 3d");
			Viewport v = x.source.attributes.get(inside);