diff --git a/point.cpp b/point.cpp
new file mode 100644
index 0000000..9e76289
--- /dev/null
+++ b/point.cpp
@@ -0,0 +1,27 @@
+#include "point.h"
+#include "tools.h"
+#include <iostream>
+
+void Point::Print()//输出方块
+{
+	SetCursorPosition(x, y);
+	std::cout << "■";
+}
+
+void Point::PrintCircular()//输出圆形
+{
+	SetCursorPosition(x, y);
+	std::cout << "●";
+}
+
+void Point::Clear()//清除输出
+{
+	SetCursorPosition(x, y);
+	std::cout << " ";
+}
+
+void Point::ChangePosition(const int x, const int y)//改变坐标
+{
+	this->x = x;
+	this->y = y;
+}
diff --git a/point.h b/point.h
new file mode 100644
index 0000000..662d666
--- /dev/null
+++ b/point.h
@@ -0,0 +1,20 @@
+#pragma once
+#ifndef POINT_H
+#define POINT_H
+
+class Point
+{
+public:
+	Point() {}
+	Point(const int x, const int y) : x(x), y(y) {}
+	void Print();
+	void PrintCircular();
+	void Clear();
+	void ChangePosition(const int x, const int y);
+	bool operator== (const Point& point) { return (point.x == this->x) && (point.y == this->y); }
+	int GetX() { return this->x; }
+	int GetY() { return this->y; }
+private:
+	int x, y;
+};
+#endif // POINT_H
\ No newline at end of file
diff --git a/tools.cpp b/tools.cpp
new file mode 100644
index 0000000..e043c67
--- /dev/null
+++ b/tools.cpp
@@ -0,0 +1,33 @@
+#include "tools.h"
+#include <windows.h>
+#include <stdio.h>
+
+void SetWindowSize(int cols, int lines)//设置窗口大小
+{
+	system("title  贪吃蛇 ");//设置窗口标题
+	char cmd[30];
+	sprintf(cmd, "mode con cols=%d lines=%d", cols * 2, lines);//一个■占两个字符故*2
+	system(cmd);//system(mode con cols=88 lines=88)
+}
+
+void SetCursorPosition(const int x, const int y)//
+{
+	COORD position;
+	position.X = x * 2;
+	position.Y = y;
+	SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), position);
+}
+
+void SetColor(int colorID)//
+{
+	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), colorID);
+}
+
+void SetBackColor()//
+{
+	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),
+		FOREGROUND_BLUE |
+		BACKGROUND_BLUE |
+		BACKGROUND_GREEN |
+		BACKGROUND_RED);
+}
diff --git a/tools.h b/tools.h
new file mode 100644
index 0000000..eddbab2
--- /dev/null
+++ b/tools.h
@@ -0,0 +1,10 @@
+#ifndef TOOLS_H
+#define TOOLS_H
+
+
+void SetWindowSize(int cols, int lines);
+void SetCursorPosition(const int x, const int y);
+void SetColor(int colorID);
+void SetBackColor();
+
+#endif // TOOLS_H