refactor: first step to final product by removing redundant code

include/fruit.hpp

@@ -5,12 +5,8 @@
 
 struct Fruit {
     Fruit();
-    int unsigned m_row;
-    int unsigned m_col;
-    int unsigned m_total_eaten;
     Point m_point;
-
-    void create_point();
-    void reset(std::array<std::array<char, COL>, ROW> &arr, int row, int col, int &score);
+    void reset(std::array<std::array<char, COL>, ROW> &board, int row, int col, int &score);
 };
+
 #endif // FRUIT_HPP

include/globals.hpp

@@ -3,8 +3,8 @@
 
 #include <cstdint>
 
-constexpr uint16_t ROW = 10;
-constexpr uint16_t COL = 10;
+constexpr uint16_t ROW = 11;
+constexpr uint16_t COL = 11;
 constexpr uint16_t FPS = 5;
 
 #endif // GLOBALS_HPP

include/snake.hpp

@@ -5,6 +5,7 @@
 #include "point.hpp"
 
 struct Head {
+	Head();
 	Head(int default_direction, int row, int col);
 	Point m_head;
 	Point m_previous_head;

include/window.hpp

@@ -13,7 +13,6 @@ struct Window {
 	int m_previous_reset;
 
 	void draw_window();
-	void clear_window();
 	void tick(double frames_per_second);
 	void kill(bool &running);
 	void update_score(Fruit &fruit, Body &body);

src/fruit.cpp

@@ -4,21 +4,16 @@
 #include "globals.hpp"
 
 Fruit::Fruit() {
-    std::srand(std::time(0));
-    create_point();
-    m_total_eaten = 0;
+	std::srand(std::time(0));
+	m_point.m_row = (rand() % 9);
+	m_point.m_col = (rand() % 9);
 }
 
-void Fruit::create_point() {
-    m_point = Point {rand() % 9, rand() % 9};
-    m_row = m_point.m_row;
-    m_col = m_point.m_col;
-}
-
-void Fruit::reset(std::array<std::array<char, COL>, ROW> &arr, int row, int col, int &score) {
-    if(m_row == row && m_col == col) {
-	m_point.clear(arr);
-	create_point();
-	score++;
-    }
+void Fruit::reset(std::array<std::array<char, COL>, ROW> &board, int row, int col, int &score) {
+	if(m_point.m_row == row && m_point.m_col == col) {
+		m_point.clear(board);
+		m_point.m_row = (rand() % 9);
+		m_point.m_col = (rand() % 9);
+		score++;
+	}
 }

src/main.cpp

@@ -6,12 +6,12 @@
 #include "globals.hpp"
 #include "input.hpp"
 
-int main (int argc, char *argv[]) {	
+int main () {	
 	Window window;
 	Input input;
 	Fruit fruit;
 	Body body;
-	Head head { 2, 0, 0 };
+	Head head;
 	bool running = true;
 	bool collision = false;
 	std::thread input_thread(
@@ -19,6 +19,7 @@ int main (int argc, char *argv[]) {
 			std::ref(head.m_head.m_direction),
 			std::ref(collision),
 			std::ref(running));
+
 	while (running) {
 		body.collision(head, collision);
 		window.update_score(fruit, body);
@@ -29,7 +30,7 @@ int main (int argc, char *argv[]) {
 
 		fruit.reset(window.m_board, head.m_head.m_row, head.m_head.m_col, window.m_score);
 		window.m_board[head.m_head.m_row][head.m_head.m_col] = '*';
-		window.m_board[fruit.m_row][fruit.m_col] = 'X';
+		window.m_board[fruit.m_point.m_row][fruit.m_point.m_col] = 'X';
 		body.draw(window.m_board);
 		window.update_display(FPS);
 		body.clear(window.m_board);

src/snake.cpp

@@ -1,5 +1,9 @@
 #include "snake.hpp"
-#include <iostream>
+
+Head::Head() {
+	m_head = Point { 5, 5, 2 };
+	m_previous_head.set_new_point(m_previous_head.m_row = 0, m_previous_head.m_col = 0, m_previous_head.m_direction = 2);
+}
 
 Head::Head(int default_direction, int row, int col) {
 	m_head = Point { row, col, default_direction };
@@ -58,7 +62,9 @@ void Body::clear(std::array<std::array<char, COL>, ROW> &arr) {
 
 void Body::draw(std::array<std::array<char, COL>, ROW> &arr) {
 	for(int i = 0; i < m_body.size(); i++) {
-		arr[m_body.at(i).m_tail_pos.m_row][m_body.at(i).m_tail_pos.m_col] = '0';
+		if(i < m_body.size()) {
+			arr[m_body.at(i).m_tail_pos.m_row][m_body.at(i).m_tail_pos.m_col] = '0';
+		}
 	}
 }
 

src/window.cpp

@@ -33,17 +33,8 @@ void Window::draw_window() {
 	std::cout << std::flush;
 }
 
-void Window::clear_window() {
-	std::cout<<"\033[H" << std::flush;
-}
-
-void Window::tick(double frames_per_second) {
-	std::this_thread::sleep_for(std::chrono::milliseconds((int) (1000 / frames_per_second)));
-}
-
 void Window::update_score(Fruit &fruit, Body &body) {
-	if(m_score % 1 == 0 && m_score >= 1) {
-		fruit.m_total_eaten++;
+	if(m_score >= 1) {
 		m_score = 0;
 		body.m_body.push_back(Tail{2, 0, 0});
 	}
@@ -54,7 +45,7 @@ void Window::kill(bool &running) {
 }
 
 void Window::update_display(int fps) {
-	clear_window();
+	std::cout<<"\033[H" << std::flush;
 	draw_window();
-	tick(fps);
+	std::this_thread::sleep_for(std::chrono::milliseconds((int) (200))); // 1000 / fps; 200ms = 5fps
 }