// Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#pragma once
#include <QAbstractCameraController>
#include <QVector2D>

class OrbitCameraController : public Qt3DExtras::QAbstractCameraController
{
	Q_OBJECT

	float m_zoomInLimit = 10.0;
	float m_zoomFactor = 1.0;
	QVector2D m_orthoSize;

	void updateProjection();

public:
	explicit OrbitCameraController(QVector2D orthoSize, Qt3DCore::QNode *parent = nullptr);
	~OrbitCameraController();

	float zoomInLimit() const;

	void setZoomInLimit(float zoomInLimit);
	void setZoomFactor(float factor);
	void setOrthoSize(QVector2D orthoSize);

signals:
	void zoomInLimitChanged();

private:
	virtual void moveCamera(const Qt3DExtras::QAbstractCameraController::InputState &state, float dt) override;
};