// This file is part of the 64k demo project.
// It defines the Camera class for 3D navigation and rendering.
// Handles view and projection matrix generation.

#pragma once

#include "util/mini_math.h"

class Camera {
 public:
  vec3 position;
  vec3 target;
  vec3 up;

  float fov_y_rad;
  float aspect_ratio;
  float near_plane;
  float far_plane;

  Camera()
      : position(0, 0, 5), target(0, 0, 0), up(0, 1, 0), fov_y_rad(0.785398f),
        aspect_ratio(1.777f), near_plane(0.1f), far_plane(100.0f) {
  }

  mat4 get_view_matrix() const {
    return mat4::look_at(position, target, up);
  }

  mat4 get_projection_matrix() const {
    return mat4::perspective(fov_y_rad, aspect_ratio, near_plane, far_plane);
  }

  // Helper to move camera
  void set_look_at(vec3 pos, vec3 tgt, vec3 up_vec = vec3(0, 1, 0)) {
    position = pos;
    target = tgt;
    up = up_vec;
  }
};