cleaning up

include/engine.hpp

@@ -0,0 +1,47 @@
+#ifndef ELEMENT_HPP
+#define ELEMENT_HPP
+
+#include <vector>
+
+constexpr int ROW = 11;
+constexpr int COL = 11;
+
+enum class Direction {
+	UP, DOWN, LEFT, RIGHT
+};
+
+struct vec2 {
+	int x, y;
+	vec2(int x, int y) : x(x), y(y) {}
+	void set(int _x, int _y) { x = _x; y = _y; }
+	auto operator <=> (const vec2&) const = default;
+};
+
+struct Window {
+	std::array<std::array<char, COL>, ROW> view;
+	void draw_display();
+	void update_display(vec2 &head, vec2 &fruit, std::vector<vec2> &buf);
+};
+
+class Engine {
+public:
+	Engine();
+	~Engine();
+	void run();
+
+private:
+	Window win;
+	std::vector<vec2> buf;
+	vec2 head { COL / 2, ROW / 2 };
+	vec2 fruit { rand() % COL, rand() % ROW };
+	vec2 prev_head { head.x, head.y };
+	Direction dir = Direction::RIGHT;
+	unsigned int m_score = 0;
+	bool process_input();
+	void determine_index_zero_pos();
+	void move_tail_indicies();
+	void add_tail_and_respawn_fruit();
+	bool exit_summary();
+};
+
+#endif // ELEMENT_HPP