Camera.h

// Copyright (c) 2024 Michael Carlie. All Rights Reserved.
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
 
#ifndef INCLUDE_VULKANENGINE_CAMERA_H_
#define INCLUDE_VULKANENGINE_CAMERA_H_
 
#include <VulkanEngine/SceneObject.h>
 
#include <Eigen/Eigen>
#include <vulkan/vulkan.hpp>
 
namespace VulkanEngine {
 
class Camera : public SceneObject {
 public:
  Camera(Eigen::Vector3f _look_at = {0.0f, 0.0f, 0.0f},
         Eigen::Vector3f _up_vector = {0.0f, 1.0f, 0.0f}, float _z_near = 0.1f,
         float _z_far = 1000.0f, float _fov = 45.0f, uint32_t _width = 800,
         uint32_t _height = 600);
 
  virtual ~Camera();
 
  void setLookAt(const Eigen::Vector3f& _look_at);
 
  const Eigen::Vector3f getLookAt() const;
 
  const Eigen::Vector3f getUpVector() const;
 
  const Eigen::Matrix4f getPerspectiveProjectionMatrix() const;
 
  const Eigen::Matrix4f getViewMatrix() const;
 
  void setWidth(uint32_t _width);
 
  void setHeight(uint32_t _height);
 
  float getWidth() const;
 
  float getHeight() const;
 
 private:
  void update(std::shared_ptr<SceneState> scene_state) override;
 
  Eigen::Vector3f look_at;
 
  Eigen::Vector3f up_vector;
 
  float z_near;
 
  float z_far;
 
  float fov;
 
  uint32_t width;
 
  uint32_t height;
};
 
}  // namespace VulkanEngine
 
#endif  // INCLUDE_VULKANENGINE_CAMERA_H_