tried to add assimp (spoilers, it did not go well, so hey! now we have separate fiels now.)

src/Camera.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include "Common.h"
+#include <GLFW/glfw3.h>
+
+class Camera {
+public:
+    glm::vec3 position = glm::vec3(0.0f, 0.0f, 3.0f);
+    glm::vec3 front = glm::vec3(0.0f, 0.0f, -1.0f);
+    glm::vec3 up = glm::vec3(0.0f, 1.0f, 0.0f);
+    glm::vec3 velocity = glm::vec3(0.0f);
+    float yaw = -90.0f;
+    float pitch = 0.0f;
+    float speed = CAMERA_SPEED;
+    float lastX = 400.0f, lastY = 300.0f;
+    bool firstMouse = true;
+
+    void processMouse(double xpos, double ypos);
+    void processKeyboard(float deltaTime, GLFWwindow* window);
+    glm::mat4 getViewMatrix() const;
+};
+
+class ViewportController {
+private:
+    bool viewportFocused = false;
+    bool manualUnfocus = false;
+
+public:
+    void updateFocusFromImGui(bool windowFocused);
+    void setFocused(bool focused);
+    bool isViewportFocused() const;
+    void clearManualUnfocus();
+    void update(GLFWwindow* window, bool& cursorLocked);
+};