shorthand names without being to short for clarity

include/element.hpp

@@ -10,19 +10,19 @@ enum Direction {
 	RIGHT = 1
 };
 
-struct Point {
+struct Vector2i {
 	int x, y;
-	char m_symbol;
+	char id;
 	enum Direction m_dir;
-	Point() : x(0), y(0), m_symbol('@') {}
-	Point(int x, int y, char s) : x(x), y(y), m_symbol(s) {}
-	void set_new_point(int x, int y);
+	Vector2i() : x(0), y(0), id('@') {}
+	Vector2i(int x, int y, char s) : x(x), y(y), id(s) {}
+	void set(int x, int y);
 };
 
 int get_score();
-void determine_index_zero_pos(Point** buffer);
-void move_tail_indicies(Point** buffer);
-void on_fruit_eaten(Point (*board)[COL], Point** buffer);
-bool segment_overlap(Point** buffer);
+void determine_index_zero_pos(Vector2i** buf);
+void move_tail_indicies(Vector2i** buf);
+void on_fruit_eaten(Vector2i (*board)[COL], Vector2i** buf);
+bool segment_overlap(Vector2i** buf);
 
 #endif // ELEMENT_HPP

include/window.hpp

@@ -5,10 +5,10 @@
 #include "element.hpp"
 
 struct Window {
-	Point m_board[ROW][COL] = {};
+	Vector2i board[ROW][COL] = {};
 	void clear_display();
 	void draw_display(int milliseconds);
-	void update_display(Point** buffer);
+	void update_display(Vector2i** buf);
 };
 
 #endif // WINDOW_HPP

src/element.cpp

@@ -7,18 +7,16 @@
 int _score = 0;
 int _snake_size = 3;
 
-int get_score() {
-	return _score;
-}
+int get_score() { return _score; }
 
-void Point::set_new_point(int _x, int _y) {
+void Vector2i::set(int _x, int _y) {
 	y = _y;
 	x = _x;
 }
 
-void determine_index_zero_pos(Point** buffer) {
-	auto& head = buffer[HEAD];
-	buffer[PREVIOUS_HEAD]->set_new_point(head->x, head->y);
+void determine_index_zero_pos(Vector2i** buf) {
+	auto& head = buf[HEAD];
+	buf[PREVIOUS_HEAD]->set(head->x, head->y);
 
 	switch(head->m_dir) {
 		case LEFT:  head->x = (head->x + COL - 1) % COL; break;
@@ -28,36 +26,35 @@ void determine_index_zero_pos(Point** buffer) {
 	}
 }
 
-void move_tail_indicies(Point** buffer) {
+void move_tail_indicies(Vector2i** buf) {
 	if(_snake_size <= 3) return;
-	Point* last_point = buffer[_snake_size - 1];
+	Vector2i* last_point = buf[_snake_size - 1];
 
-	std::memmove(buffer + 4, buffer + 3, (_snake_size - 4) * sizeof(Point*));
+	std::memmove(buf + 4, buf + 3, (_snake_size - 4) * sizeof(Vector2i*));
 
-	buffer[3] = last_point;
-	if(buffer[3] != nullptr) buffer[3]->set_new_point(buffer[PREVIOUS_HEAD]->x, buffer[PREVIOUS_HEAD]->y);
+	buf[3] = last_point;
+	if(buf[3] != nullptr) last_point->set(buf[PREVIOUS_HEAD]->x, buf[PREVIOUS_HEAD]->y);
 }
 
-void on_fruit_eaten(Point (*board)[COL], Point** buffer) {
+void on_fruit_eaten(Vector2i (*board)[COL], Vector2i** buf) {
 	int row, col;
-	if(buffer[FRUIT]->y == buffer[HEAD]->y && buffer[FRUIT]->x == buffer[HEAD]->x) {
-		do {
-			row = (rand() % ROW);
-			col = (rand() % COL);
-		} while (board[row][col].m_symbol != '.');
-		buffer[FRUIT]->set_new_point(row, col);
-		std::memmove(buffer + 4, buffer + 3, (_snake_size - 3) * sizeof(Point*));
-		buffer[3] = new Point { ROW, COL, '@' };
-		_score++;
-		_snake_size++;
-	}
+	if(buf[FRUIT]->y != buf[HEAD]->y || buf[FRUIT]->x != buf[HEAD]->x) return;
+	do {
+		row = (rand() % ROW);
+		col = (rand() % COL);
+	} while (board[row][col].id != '.');
+	buf[FRUIT]->set(row, col);
+	std::memmove(buf + 4, buf + 3, (_snake_size - 3) * sizeof(Vector2i*));
+	buf[3] = new Vector2i { ROW, COL, '@' };
+	_score++;
+	_snake_size++;
 }
 
-bool segment_overlap(Point** buffer) {
+bool segment_overlap(Vector2i** buf) {
 	for(int i : std::ranges::views::iota(3, _snake_size)) {
-		if(buffer[i] != nullptr &&
-			buffer[i]->y == buffer[HEAD]->y &&
-			buffer[i]->x == buffer[HEAD]->x)
+		if(buf[i] &&
+			buf[i]->y == buf[HEAD]->y &&
+			buf[i]->x == buf[HEAD]->x)
 		{
 			return true;
 		}

src/main.cpp

@@ -7,35 +7,35 @@
 
 int main () {	
 	std::srand(std::time(0));
-	Window window;
+	Window win;
 	bool running = true;
-	Point* buffer[MAX_LEN] = {}; // 2 for head, 1 for fruit, rest for tail
+	Vector2i* buf[MAX_LEN] = {}; // 2 for head, 1 for fruit, rest for tail
 
-	buffer[HEAD] = new Point { COL / 2, ROW / 2, '*' };
-	buffer[PREVIOUS_HEAD] = new Point { buffer[HEAD]->x, buffer[HEAD]->y, '.' };
-	buffer[FRUIT] = new Point { (rand() % COL), (rand() % ROW), 'o' };
+	buf[HEAD] = new Vector2i { COL / 2, ROW / 2, '*' };
+	buf[PREVIOUS_HEAD] = new Vector2i { buf[HEAD]->x, buf[HEAD]->y, '.' };
+	buf[FRUIT] = new Vector2i { (rand() % COL), (rand() % ROW), 'o' };
 
-	std::thread input_thread([&] { get_input(buffer[HEAD]->m_dir, running ); } ); 
+	std::thread input_thread([&] { get_input(buf[HEAD]->m_dir, running ); } ); 
 
 	while (running) {
-		on_fruit_eaten(window.m_board, buffer);
-		determine_index_zero_pos(buffer);
-		move_tail_indicies(buffer);
+		on_fruit_eaten(win.board, buf);
+		determine_index_zero_pos(buf);
+		move_tail_indicies(buf);
 
-		if(buffer[MAX_LEN - 1] != nullptr) {
+		if(buf[MAX_LEN - 1] != nullptr) {
 			std::cout << "You filled the whole board and won! Score: " << get_score() << std::endl;
 			running = false;
-		} if(segment_overlap(buffer)) {
+		} if(segment_overlap(buf)) {
 			std::cout << "You collided with yourself and died! Score: " << get_score() << std::endl;
 			running = false;
 		}
 
-		window.clear_display();
-		window.update_display(buffer);
-		window.draw_display(200);
+		win.clear_display();
+		win.update_display(buf);
+		win.draw_display(200);
 	}
 
 	input_thread.join();
-	for(auto& p : buffer) delete p;
+	for(auto& p : buf) delete p;
 	return 0;
 }

src/window.cpp

@@ -1,4 +1,5 @@
 #include "window.hpp"
+#include "element.hpp"
 #include <iostream>
 #include <chrono>
 #include <ranges>
@@ -7,7 +8,7 @@
 void Window::clear_display() {
 	for(int i : std::ranges::views::iota(0, ROW)) {
 		for(int j : std::ranges::views::iota(0, COL)) {
-			m_board[i][j].m_symbol = '.';
+			board[i][j].id = '.';
 		}
 	}
 }
@@ -16,7 +17,7 @@ void Window::draw_display(int milliseconds) {
 	std::cout << "\033[H" << std::flush; // Clear screen
 	for(int i : std::ranges::views::iota(0, ROW)) {
 		for(int j : std::ranges::views::iota(0, COL)) {
-			if(m_board[i][j].m_symbol != '.') { std::cout << m_board[i][j].m_symbol << " "; }
+			if(board[i][j].id != '.') { std::cout << board[i][j].id << " "; }
 			else { std::cout << ". "; }
 		}
 		std::cout << "\r\n";
@@ -24,9 +25,9 @@ void Window::draw_display(int milliseconds) {
 	std::this_thread::sleep_for(std::chrono::milliseconds((int) (milliseconds))); // 1000 / fps; 200ms = 5fps
 }
 
-void Window::update_display(Point** buffer) {
+void Window::update_display(Vector2i** buf) {
 	for(int i : std::ranges::views::iota(0, ROW * COL)) {
-		if(buffer[i] == nullptr || i == 1 || buffer[i]->y > ROW - 1 || buffer[i]->x > COL - 1) continue;
-		m_board[buffer[i]->y][buffer[i]->x].m_symbol =  buffer[i]->m_symbol;
+		if(buf[i] == nullptr || i == 1 || buf[i]->y > ROW - 1 || buf[i]->x > COL - 1) continue;
+		board[buf[i]->y][buf[i]->x].id = buf[i]->id;
 	}
 }