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#pragma once
#include "Color.h"
#include "Component.h"
#include "types.h"
namespace crepe {
/**
* \class Camera
* \brief Represents a camera component for rendering in the game.
*
* The Camera class defines the view parameters, including background color, aspect ratio,
* position, and zoom level. It controls what part of the game world is visible on the screen.
*/
class Camera : public Component {
public:
struct Data {
//! Background color of the camera view.
const Color bg_color = Color::WHITE;
//! Zoom level of the camera view.
double zoom = 1;
//! offset postion from the game object transform component
vec2 offset;
};
public:
/**
* \brief Constructs a Camera with the specified ID and background color.
* \param id Unique identifier for the camera component.
* \param ctx the camera component data
*/
Camera(game_object_id_t id, const ivec2 & screen, const vec2 & viewport_size,
const Data & ctx);
~Camera(); // dbg_trace only
public:
Camera::Data data;
//! screen the display size in pixels ( output resolution )
const ivec2 screen;
//! viewport is the area of the world visible through the camera (in world units)
const vec2 viewport_size;
public:
/**
* \brief Gets the maximum number of camera instances allowed.
* \return Maximum instance count as an integer.
*/
virtual int get_instances_max() const { return 1; }
};
} // namespace crepe
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