Method _notification

editor/scene/3d/node_3d_editor_plugin.cpp:140–159

constexpr real_t MAX_FOV = 179;

void ViewportNavigationControl::_notification(int p_what) {
	switch (p_what) {
		case NOTIFICATION_DRAW: {
			if (viewport != nullptr) {
				_draw();
				_update_navigation();
			}
		} break;

		case NOTIFICATION_MOUSE_ENTER: {
			hovered = true;
			queue_redraw();
		} break;

		case NOTIFICATION_MOUSE_EXIT: {
			hovered = false;
			queue_redraw();
		} break;
	}
}

void ViewportNavigationControl::_draw() {
	if (nav_mode == Node3DEditorViewport::NAVIGATION_NONE) {