starting refactoring

include/engine.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "globals.hpp"
+#include <array>
 
 struct vec2;
 struct Paddle;
@@ -17,19 +18,19 @@ bool is_block_buffer_empty(Block** block_buffer, int block_buffer_size);
 enum Direction { LEFT, RIGHT, NONE };
 
 struct vec2 {
-	vec2() : y(0), x(0) {};
-	vec2(int row, int col, char symbol) : y(row), x(col), m_symbol(symbol) {};
+	vec2() : x(0), y(0) {};
+	vec2(int x, int y) : x(x), y(y) {};
+	vec2(int x, int y, char symbol) : x(x), y(y), m_symbol(symbol) {};
 	int x, y;
 	char m_symbol;
-	void assign(int row, int col);
+	void set(int x, int y);
+	auto operator <=> (const vec2&) const = default;
 };
 
 struct Ball {
-	Ball(int default_vx, int default_vy) : vx(default_vx), vy(default_vy) {};
-	~Ball();
-	vec2* m_origin;
-	int vx;
-	int vy;
+	Ball(); 
+	vec2 m_origin { COL / 2, ROW - 5, '*' };
+	vec2 vel { 1, -1 };
 	void determine_new_position(int &paddle_lives, int reset_ball_x, int reset_ball_y);
 	void change_velocity(char d);
 };
@@ -47,10 +48,9 @@ struct Paddle {
 
 struct Block {
 	Block();
-	Block(int size, int row, int col, char symbol);
+	Block(vec2 pos, char symbol);
 	~Block();
-	int _size;
-	vec2** m_nodes;
+	std::array<vec2, 3> m_nodes = {};
 	bool check_collision(Ball &ball);
 };