using memmove to update snake

src/main.cpp

@@ -9,9 +9,10 @@ int main () {
 	std::srand(std::time(0));
 	Window window;
 	Input input;
+	const int MAX_LEN = (ROW * COL) + 3;
 	bool running = true;
 
-	Point* buffer[(ROW * COL) + 3] = {}; // 2 for head, 1 for fruit, rest for tail
+	Point* buffer[MAX_LEN] = {}; // 2 for head, 1 for fruit, rest for tail
 	buffer[0] = new Point { ROW / 2, COL / 2, '*' }; // Head
 	buffer[2] = new Point { (rand() % ROW), (rand() % COL), 'o' }; // Fruit
 
@@ -19,16 +20,16 @@ int main () {
 
 	while (running) {
 		on_fruit_eaten(window.m_board, buffer);
-		determine_index_zero_pos(window.m_board, buffer);
+		determine_index_zero_pos(buffer);
 		move_tail_indicies(buffer);
 
-		for(int i = (ROW * COL) - 1; i > 3; i--) {
+		for(int i = MAX_LEN - 1; i > 3; i--) {
 			if(buffer[i] == nullptr) break;
-			std::cout << "You win! Score: " << get_score() << std::endl;
+			std::cout << "You filled the whole board and won! Score: " << get_score() << std::endl;
 			running = false;
 		}
 		if(segment_overlap(buffer)) {
-			std::cout << "You died! Score: " << get_score() << std::endl;
+			std::cout << "You collided with yourself and died! Score: " << get_score() << std::endl;
 			running = false;
 		}
 		window.clear_display();
@@ -37,8 +38,7 @@ int main () {
 	}
 
 	input_thread.join();
-	for(int i = ((ROW * COL) + 3) - 1; i > 0; i--) {
-		if(buffer[i] == nullptr) continue;
+	for(int i = 0; i < MAX_LEN - 1; i++) {
 		delete buffer[i];
 	}
 	return 0;