[EDIT] camera controls

src/entities/Camera.cpp

@@ -9,24 +9,42 @@ namespace entities
 
 	void Camera::Move(GLFWwindow* window)
 	{
+		float movement_speed = 0;
+		
 		if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS)
 		{
-			position.z -= SPEED;
+			movement_speed -= SPEED;
 		}
 
 		if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS)
 		{
-			position.z += SPEED;
+			movement_speed += SPEED;
 		}
 
 		if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
 		{
-			position.x += SPEED;
+			rotation.y += ROT_SPEED;
 		}
 
 		if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
 		{
-			position.x -= SPEED;
+			rotation.y -= ROT_SPEED;
 		}
+
+		if (glfwGetKey(window, GLFW_KEY_SPACE) == GLFW_PRESS)
+		{
+			rotation.x -= ROT_SPEED;
+		}
+
+		if (glfwGetKey(window, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS)
+		{
+			rotation.x += ROT_SPEED;
+		}
+
+		float dx = glm::cos(glm::radians(rotation.y + 90)) * movement_speed;
+		float dz = glm::sin(glm::radians(rotation.y + 90)) * movement_speed;
+
+		position.x += dx;
+		position.z += dz;
 	}
 }

src/entities/Camera.h

@@ -14,6 +14,7 @@ namespace entities
 	private:
 		// The movement speed of the camera
 		const float SPEED = 0.52f;
+		const float ROT_SPEED = 1.0f;
 		
 		glm::vec3 position;
 		glm::vec3 rotation;

src/main.cpp

@@ -99,12 +99,12 @@ int main(void)
         // Update
         const double delta = UpdateDelta();
         camera.Move(window);
-
         button.Update(window);
 
 		// Render
         render_engine::renderer::Prepare();
 		
+		// Start rendering the entities
         shader.Start();
         shader.LoadSkyColor(render_engine::renderer::SKY_COLOR);
         shader.LoadLights(lights);
@@ -119,7 +119,6 @@ int main(void)
 		// Stop rendering the entities
         shader.Stop();
 
-		
         // Render GUI items
         render_engine::renderer::Render(guis, gui_shader);