91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
// Unnamed CAD Software
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//
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// License: GPLv3 (or later)
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// Language: C++17
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// Notes:
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// - use a right-handed, Z-up coordinate system to match Open CASCADE
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#ifndef CAMERA_H
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#define CAMERA_H
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#include <QObject>
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#include <QMatrix4x4>
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#include <QPoint>
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#include <QMouseEvent>
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#include <QWheelEvent>
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#include <gp_Ax2.hxx>
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class Camera : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(float xRotation READ xRotation WRITE setXRotation)
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Q_PROPERTY(float yRotation READ yRotation WRITE setYRotation)
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Q_PROPERTY(float zoom READ zoom WRITE setZoom)
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Q_PROPERTY(float panX READ panX WRITE setPanX)
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Q_PROPERTY(float panY READ panY WRITE setPanY)
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public:
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explicit Camera(QObject *parent = nullptr);
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void mousePressEvent(QMouseEvent* event);
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void mouseMoveEvent(QMouseEvent* event, int viewportHeight);
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void wheelEvent(QWheelEvent* event, const QVector3D& worldPos);
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QMatrix4x4 modelViewMatrix() const;
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float xRotation() const;
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void setXRotation(float angle);
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float yRotation() const;
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void setYRotation(float angle);
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float zoom() const;
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void setZoom(float value);
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float panX() const;
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void setPanX(float value);
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float panY() const;
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void setPanY(float value);
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void saveState();
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void restoreState();
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void animateToPlaneView(const gp_Ax2& plane);
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void animateRestoreState();
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void animateToHomeView();
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void startRotation(const QVector3D& pivot);
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void stopRotation();
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bool isRotating() const { return m_isRotating; }
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const QVector3D& rotationPivot() const { return m_rotationPivot; }
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float uiCameraDistance() const;
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float savedXRot() const { return m_savedXRot; }
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float savedYRot() const { return m_savedYRot; }
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float savedZoom() const { return m_savedZoom; }
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float savedPanX() const { return m_savedPanX; }
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float savedPanY() const { return m_savedPanY; }
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signals:
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void cameraChanged();
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void restoreStateAnimationFinished();
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private:
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QPoint m_lastPos;
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float m_xRot;
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float m_yRot;
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float m_zoom;
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float m_panX;
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float m_panY;
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QVector3D m_rotationPivot;
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bool m_isRotating = false;
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float m_stableZoom = 0;
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float m_savedXRot = 0;
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float m_savedYRot = 0;
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float m_savedZoom = -5.0f;
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float m_savedPanX = 0;
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float m_savedPanY = 0;
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};
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#endif // CAMERA_H
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