inital commit

orbitcameracontroller.h

@@ -0,0 +1,33 @@
+// 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;
+};