Switching to sfml

src/Enemy/Enemy.cpp

@@ -0,0 +1,21 @@
+#include "Enemy.hpp"
+
+Enemy::Enemy(sf::Vector2f position) : rectangle(sf::Vector2f{100, 100})
+{
+	rectangle.move(position);
+	rectangle.setFillColor(sf::Color::Red);
+}
+
+void Enemy::look_at(sf::Vector2f target)
+{
+	float dx = target.x - rectangle.getPosition().x;
+	float dy = target.y - rectangle.getPosition().y;
+
+	float angle = atan2(dy, dx);
+	rectangle.setRotation(sf::degrees(angle));
+}
+
+void Enemy::draw(sf::RenderTarget& target, const sf::RenderStates states) const
+{
+	target.draw(rectangle, states);
+}

src/Enemy/Enemy.hpp

@@ -0,0 +1,13 @@
+#pragma once
+#include <SFML/Graphics.hpp>
+
+class Enemy : public sf::Drawable
+{
+	sf::RectangleShape rectangle;
+public:
+	explicit Enemy(sf::Vector2f position);
+
+	void look_at(sf::Vector2f target);
+
+	void draw(sf::RenderTarget& target, sf::RenderStates states) const override;
+};