tb_camera.hpp

 
#ifndef TurtleBrains_Camera_hpp
#define TurtleBrains_Camera_hpp
 
#include <turtle_brains/math/tb_vector.hpp>
 
namespace TurtleBrains::Graphics
{
 
    class Camera;
 
    void SetActiveCamera(Camera& camera);
 
    void SetActiveCamera(Camera* camera);
 
    Camera& GetActiveCamera(void);
 
    class Camera
    {
    public:
        enum IntensityLevel
        {
            kNoShaking,     
            kLightShaking,  
            kMediumShaking, 
            kHeavyShaking   
        };
 
        Camera(void);
 
        virtual ~Camera(void);
 
        void SetPosition(const float positionX, const float positionY);
 
        void SetPosition(const tbMath::Vector2& cameraPosition);
 
        const tbMath::Vector2& GetPosition(void) const;
 
        tbMath::Vector2 GetPositionWithShake(void) const;
 
        void Update(const float deltaTime);
 
        void ShakeCamera(const IntensityLevel& shakeIntensity, const float shakeDuration = -1.0f);
 
        void SetRotation(const tbMath::Angle& cameraRotation);
 
        const tbMath::Angle& GetRotation(void) const;
 
    private:
        tbMath::Vector2 mPosition;
        tbMath::Vector2 mShakeOffset;
        tbMath::Angle mRotation;
 
        float mShakeIntensity;
        float mShakeDuration;
    };
 
}; /* namespace TurtleBrains::Graphics */
 
namespace tbGraphics = TurtleBrains::Graphics;
 
#endif /* TurtleBrains_Camera_hpp */