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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 {
/**
* \bg_color background color of the game
*
* This will make the background the same color as the given value.
*/
const Color bg_color = Color::BLACK;
/**
* \zoom Zooming level of the game
*
* zoom = 1 --> no zoom.
* zoom < 1 --> zoom out
* zoom > 1 --> zoom in
*/
double zoom = 1;
//! offset postion from the game object transform component
vec2 postion_offset;
};
public:
/**
* \brief Constructs a Camera with the specified ID and background color.
* \param id Unique identifier for the camera component.
* \param screen is the actual screen size in pixels
* \param viewport_size is the view of the world in game units
* \param data the camera component data
*/
Camera(game_object_id_t id, const ivec2 & screen, const vec2 & viewport_size,
const Camera::Data & data);
~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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