PerspectiveCamera.h

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#pragma once
 
#include "BaseCamera.h"
 
class PerspectiveCamera : public BaseCamera
{
public:
    PerspectiveCamera(const std::string &name, float fovDeg, float aspect, float nearPlane, float farPlane);
 
    // Perspective-specific operations
    virtual void SetFieldOfView(float fovDeg);
    virtual float GetFieldOfView() const { return m_Fov; }
 
    // Basic perspective projection (can be overridden for specialized projections)
    virtual Mat4 GetProjectionMatrix() const override; // Ray casting for perspective cameras
    virtual Ray ScreenToWorldRay(float screenX, float screenY) const override;
 
    // Camera type identification
    virtual CameraType GetType() const override { return CameraType::PERSPECTIVE; }
    virtual std::string GetTypeName() const override { return "Perspective"; }
 
protected:
    float m_Fov; // Field of view in degrees
 
    // Helper methods for specialized perspective projections
    virtual Mat4 CreatePerspectiveMatrix(float fov, float aspect, float nearPlane, float farPlane) const;
    virtual Mat4 ApplyPerspectiveCorrection(const Mat4 &baseProjection) const;
};