camera.h

// © Joseph Cameron - MIT License
 
#ifndef GDK_GRAPHICS_CAMERA_H
#define GDK_GRAPHICS_CAMERA_H
 
#include <gdk/graphics/color.h>
#include <gdk/graphics/types.h>
 
namespace gdk::graphics {
    class camera {
    public:
        enum class clear_mode {
            nothing,            
            color_and_depth,    
            depth_only          
        };

        virtual void set_perspective_projection(const floating_point_type aFieldOfView,
            const floating_point_type aNearClippingPlane, const floating_point_type aFarClippingPlane,
            const floating_point_type aViewportAspectRatio) = 0;

        virtual void set_perspective_projection(const floating_point_type aFieldOfView,
            const floating_point_type aNearClippingPlane, const floating_point_type aFarClippingPlane,
            const floating_point_type aViewportAspectRatio, const vector2_type &aShift) = 0;

        virtual void set_orthographic_projection(const gdk::graphics::vector2_type &aOrthographicSize,
            const floating_point_type aNearClippingPlane, const floating_point_type aFarClippingPlane,
            const floating_point_type aViewportAspectRatio) = 0;

        virtual void set_transform(const gdk::graphics::matrix4x4_type &aMatrix) = 0;
        virtual void set_transform(const gdk::graphics::vector3_type &aWorldPos, const gdk::graphics::quaternion_type &aRotation) = 0;

        virtual void set_clear_color(const gdk::graphics::color &acolor) = 0;

        virtual void set_clear_mode(const clear_mode aClearMode) = 0;
 
        virtual ~camera() = default;
    };
}
 
#endif