[ADD] made camera follow the character with lerp

src/entities/main_character.h

@@ -7,7 +7,7 @@ namespace entities
 {
 	class main_character : public CollisionEntity {
 		const float SPEED = 1.0f;
-		const float UP_SPEED = 1.0f;
+		const float UP_SPEED = 0.6f;
 	public:
 		main_character(const models::TexturedModel& model, const glm::vec3& position,
 			const glm::vec3& rotation, float scale, const collision::Box& bounding_box);