camera.h

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#pragma once
#include "transform.h"
 
struct Camera2D {
    Transform transform;
 
    Camera2D(int view_width, int view_height, float zoom = 1.0f) : width(view_width), height(view_height), zoom(zoom) {}
 
    glm::mat4 GetViewMatrix() const;
 
    glm::vec4 GetViewport() const;
 
    bool IsVisible(const glm::vec3& position);
 
    void Resize(int view_width, int view_height);
 
    glm::mat4 GetProjectionMatrix() const;
 
    int GetHeight() const {
        return height;
    }
 
    int GetWidth() const {
        return width;
    }
 
    void SetZoom(float zoom) {
        this->zoom = SDL_clamp(zoom, 0.10f, 10.0f); // ENSURE CAMERA ZOOM NEVER HITS 0
    }
 
    float GetZoom() const {
        return this->zoom;
    }
 
    float zoom = 1.0f; // MAX_ZOOM = 10.0f
private:
    int width = 0, height = 0;
};