[ADD] custom rendering system

src/entities/Camera.cpp

@@ -0,0 +1,32 @@
+#include "Camera.h"
+
+namespace entities
+{
+	Camera::Camera(const ::glm::vec3& position, const ::glm::vec3& rotation)
+		: position(position),
+		rotation(rotation)
+	{}
+
+	void Camera::move(GLFWwindow* window)
+	{
+		if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS)
+		{
+			position.z -= speed;
+		}
+
+		if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS)
+		{
+			position.z += speed;
+		}
+
+		if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
+		{
+			position.x += speed;
+		}
+
+		if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
+		{
+			position.x -= speed;
+		}
+	}
+}