feat: points and pointcollection

CMakeLists.txt

@@ -7,6 +7,7 @@ include_directories(include)
 set(SOURCES
 	src/main.cpp
 	src/input.cpp
+	src/elements.cpp
 	src/window.cpp
 )
 

include/elements.hpp

@@ -0,0 +1,23 @@
+#ifndef ELEMENTS_HPP
+#define ELEMENTS_HPP
+
+#include <vector>
+#include "globals.hpp"
+
+struct Point {
+	Point() : m_row(0), m_col(0), m_symbol(2), m_direction('n') {};
+	Point(int row, int col) : m_row(row), m_col(col), m_symbol(2), m_direction('n') {};
+	char m_direction;
+	int m_row;
+	int m_col;
+	int m_symbol;
+	void assign(int row, int col);
+};
+
+struct PointCollection {
+	std::vector<Point> m_point_list;
+	void move();
+	void set_direction(char direction);
+};
+
+#endif

include/input.hpp

@@ -1,9 +1,11 @@
 #ifndef INPUT_HPP
 #define INPUT_HPP
 
+#include "elements.hpp"
+
 struct Input {
 	int _getch;
-	void get_input(bool &running);
+	void get_input(bool &running, PointCollection &collection);
 };
 
 #endif

include/window.hpp

@@ -2,11 +2,12 @@
 #define WINDOW_HPP
 
 #include "globals.hpp"
+#include "elements.hpp"
 #include <array>
 
 struct Window {
 	std::array<std::array<int, COL>, ROW> m_board = {};
-	void draw_window();
+	void draw_window(PointCollection &collection);
 };
 
 #endif

src/elements.cpp

@@ -0,0 +1,30 @@
+#include "elements.hpp"
+
+void Point::assign(int row, int col) {
+	m_row = row;
+	m_col = col;
+}
+
+void PointCollection::set_direction(char direction) {
+	for(int i = m_point_list.size() - 1; i >= 0; i--) {
+		m_point_list[i].m_direction = direction; 
+	}
+}
+
+void PointCollection::move() {
+	for(int i = m_point_list.size() - 1; i >= 0; i--) {
+		if(m_point_list[i].m_direction == 'u') {
+			if(m_point_list[i].m_row <= 0) continue;
+			m_point_list[i].assign(m_point_list[i].m_row - 1, m_point_list[i].m_col);
+		} else if(m_point_list[i].m_direction == 'd') {
+			if(m_point_list[i].m_row >= ROW - 1) continue;
+			m_point_list[i].assign(m_point_list[i].m_row + 1, m_point_list[i].m_col);
+		} else if(m_point_list[i].m_direction == 'l') {
+			if(m_point_list[i].m_col <= 0) continue;
+			m_point_list[i].assign(m_point_list[i].m_row, m_point_list[i].m_col - 1);
+		} else if(m_point_list[i].m_direction == 'r') {
+			if(m_point_list[i].m_col >= COL - 1) continue;
+			m_point_list[i].assign(m_point_list[i].m_row, m_point_list[i].m_col + 1);
+		}
+	}
+}

src/input.cpp

@@ -1,7 +1,7 @@
 #include "input.hpp"
 #include <ncurses.h>
 
-void Input::get_input(bool &running) {
+void Input::get_input(bool &running, PointCollection &collection) {
 	while (running) {
 		initscr();
 		cbreak();
@@ -10,6 +10,22 @@ void Input::get_input(bool &running) {
 		_getch = getch();
 		endwin();
 
-		if(_getch == 113) running = false;
+		if(_getch == 65) {
+			_getch = 0;
+			collection.set_direction('u');
+		}
+		else if(_getch == 66) {
+			_getch = 0;
+			collection.set_direction('d');
+		}
+		else if(_getch == 67) {
+			_getch = 0;
+			collection.set_direction('r');
+		}
+		else if(_getch == 68) {
+			_getch = 0;
+			collection.set_direction('l');
+		}
+		else if(_getch == 113) running = false;
 	}
 }

src/main.cpp

@@ -2,17 +2,20 @@
 #include <thread>
 #include "input.hpp"
 #include "window.hpp"
+#include "elements.hpp"
 
 int main() {
 	Input input;
 	Window window;
+	PointCollection collection;
 	bool running = true;
-	std::thread input_thread(&Input::get_input, &input, std::ref(running));
+	std::thread input_thread(&Input::get_input, &input, std::ref(running), std::ref(collection));
 
+	collection.m_point_list.push_back(Point());
 
-	window.m_board[0][0] = 4;
 	while (running) {
-		window.draw_window();
+		collection.move();
+		window.draw_window(collection);
 	}
 
 	input_thread.join();

src/window.cpp

@@ -1,10 +1,14 @@
 #include "window.hpp"
+#include <array>
 #include <iomanip>
 #include <iostream>
 #include <thread>
 
-void Window::draw_window() {
+void Window::draw_window(PointCollection &collection) {
-	// for(std::array<int, COL> &row : m_board) { row.fill(0); }
+	for(std::array<int, COL> &row : m_board) { row.fill(0); }
+	for(int i = collection.m_point_list.size() - 1; i >= 0; i--) {
+		m_board[collection.m_point_list[i].m_row][collection.m_point_list[i].m_col] = collection.m_point_list[i].m_symbol;
+	}
 	std::cout << "\033[H" << std::flush;
 	for(int i = 0; i < ROW; i++) {
 		for(int j = 0; j < COL; j++) {
@@ -13,5 +17,5 @@ void Window::draw_window() {
 		}
 		std::cout << "\r\n";
 	}
-	std::this_thread::sleep_for(std::chrono::milliseconds(200));
+	std::this_thread::sleep_for(std::chrono::milliseconds(33));
 }