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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
 
namespace WindowsFormsApp3
{
    public partial class Form1 : Form
    {
        Random rs = new Random(); // 랜덤 함수 출력
                                  // 볼 갯수 
        const int missile_quantity = 100;
 
        
        // 볼 사이즈와 컬러 구조체 선언
        Point[] ballPoint = new Point[missile_quantity];
        int sizePoint_x = 5;
        int sizePoint_y = 5;
        // 비행기컬러 , 비행기 사이즈 구조체 선언
        int ship_x = 0;
        int ship_y = 0;
        int shipsize = 25;
 
        int ready_x = 0;
        int ready_y = 0;
        int readysize_x = 200;
        int readysize_y = 200;
 
        int gameover_x = 0;
        int gameover_y = 0;
        int gameover_size_x = 200;
        int gameover_size_y = 200;
 
        int space_x = 0;
        int space_y = 0;
        int space_size_x = 200;
        int space_size_y = 200;
 
        int gameState = 0;
        
        // 볼 속도 선언
        int[] x_speed = new int[100];
        int[] y_speed = new int[100];
 
        // 위치판단
        Rectangle rt = new Rectangle();
 
        public Form1()
        {
            InitializeComponent();
 
            rt.X = ship_x;
            rt.Y = ship_y;
            rt.Width = shipsize;
            rt.Height = shipsize;
 
 
            ship_x = (pictureBox1.Width / 2);
            ship_y = (pictureBox1.Height / 2);
 
            ready_x = (pictureBox1.Width/2) - (readysize_x/2);
            ready_y = (pictureBox1.Height*1/3) - (readysize_y /2);
 
            gameover_x = (pictureBox1.Width / 2) - (gameover_size_x/2);
            gameover_y = (pictureBox1.Height / 2) - (gameover_size_x / 2);
 
            space_x = (pictureBox1.Width / 2) - (space_size_x / 2);
            space_y = (pictureBox1.Height*2 / 3) - (space_size_y / 2);
 
            for (int i = 0; i < missile_quantity; i++)
            {
                ballPoint[i].X = rs.Next(0, pictureBox1.Width);
                ballPoint[i].Y = rs.Next(0, pictureBox1.Height);
                x_speed[i] = rs.Next(-2, 2);
                y_speed[i] = rs.Next(-2, 2);
                if (x_speed[i] == 0)
                    x_speed[i] = 1;
                else if (y_speed[i] == 0)
                    y_speed[i] = 1;
            }
        }
 
        private void pictureBox1_Paint(object sender, PaintEventArgs e)
        {
 
            if (gameState == 0)
            {
                Image ready = Bitmap.FromFile("ready.png"); // 이미지로 가져오는 소스
                e.Graphics.DrawImage(ready, ready_x, ready_y, readysize_x, readysize_y);
 
                Image space = Bitmap.FromFile("space.png"); // 이미지로 가져오는 소스
                e.Graphics.DrawImage(space, space_x, space_y, space_size_x, space_size_y);
 
            }
            else if (gameState == 3)
            {
                Image gameover = Bitmap.FromFile("gameover.png"); // 이미지로 가져오는 소스
                e.Graphics.DrawImage(gameover, gameover_x, gameover_y, gameover_size_x, gameover_size_y);
            }
            else if (gameState == 1)
            {
                //비행기 그리는 소스
                Image ship = Bitmap.FromFile("ship.png"); // 이미지로 가져오는 소스
                e.Graphics.DrawImage(ship, ship_x, ship_y, shipsize, shipsize);
                //
               // e.Graphics.FillRectangle(Brushes.Orange, rt);
            }
           
            for (int i = 0; i < missile_quantity; i++)
            {
                if (i % 2 == 0) e.Graphics.FillEllipse(Brushes.Blue,ballPoint[i].X,ballPoint[i  ].Y, sizePoint_x, sizePoint_y);
                else e.Graphics.FillEllipse(Brushes.Purple,ballPoint[i].X,ballPoint[i].Y, sizePoint_x, sizePoint_y);
 
            }
 
 
        }
 
        private void timer1_Tick(object sender, EventArgs e)
        {
            if (gameState == 1)
            {
                for (int i = 0; i < missile_quantity; i++)
                {
                    // 볼을 이동시키는 소스
                    ballPoint[i].X += x_speed[i];
                    ballPoint[i].Y += y_speed[i];
                    pictureBox1.Invalidate(); // 화면 갱신
 
                    // 벽을 만나면 튕기는 소스
                    if (ballPoint[i].X < 0) x_speed[i] *= -1;
                    if (ballPoint[i].X > pictureBox1.Width) x_speed[i] *= -1;
                    if (ballPoint[i].Y < 0) y_speed[i] *= -1;
                    if (ballPoint[i].Y > pictureBox1.Height) y_speed[i] *= -1;
                }
                
            }
 
        }
        
        private void pictureBox1_Click(object sender, EventArgs e)
        {
            
        }
  
        class Watch
        {
            static public int milisec = 0;
            static public int sec = 0;
 
            static public bool status = false;
        }
        
        private void timer3_Tick(object sender, EventArgs e)
        {
            Watch.milisec++;
            if (Watch.milisec > 59)
            {
                Watch.milisec = 0;
                Watch.sec++;
                if (Watch.sec > 59)
                    Watch.sec = 0;
            }
            textBox1.Text = Watch.sec + ":" + Watch.milisec+"초";
        }
 
        private void textBox1_TextChanged(object sender, EventArgs e)
        {
 
        }
 
        private void Form1_Click(object sender, EventArgs e)
        {
 
        }
 
        private void Form1_KeyUp(object sender, KeyEventArgs e)
        {
            //키코드를 뗄 때 입력받는 함수
           
                if (e.KeyCode == Keys.Right) bright = false;
                if (e.KeyCode == Keys.Left) bleft = false;
                if (e.KeyCode == Keys.Down) bdown = false;
                if (e.KeyCode == Keys.Up) bup = false;
 
            if (e.KeyCode == Keys.Space) gameState = 1;
               
                 
               
                
 
            
                //
            if (Watch.status == false && gameState == 1)
            {
                timer3.Start();
                timer3.Interval = 10;
                Watch.status = true;
            }
            else if (Watch.status == true && gameState == 3)
            {
                timer3.Stop();
                Watch.status = false;
                Watch.milisec = 0;
                Watch.sec = 0;
                gameState = 0;
                
            }
            else if (gameState == 0)
            {
                Watch.milisec = 0;
                Watch.sec = 0;
                Watch.status = false;
                textBox1.Text = Watch.sec + ":" + Watch.milisec +"초";
                timer3.Stop();
            }
           
        }
        // 키보드 이동용 bool변수
        bool bleft = false, bright = false, bup = false, bdown = false, bspace = false;
 
        private void timer2_Tick(object sender, EventArgs e)
        {
            if (gameState == 1)
            {
 
                // 비행기 움직임
                if (bright) { if (ship_x < pictureBox1.Width - 30) ship_x += 5; }
                if (bleft) { if (ship_x > 0) ship_x -= 5; }
                if (bup) { if (ship_y > 0) ship_y -= 5; }
                if (bdown) { if (ship_y < pictureBox1.Height - 30) ship_y += 5; }
 
                for (int i = 0; i < missile_quantity; i++)
                {
                    if (rt.Contains(ballPoint[i].X  , ballPoint[i].Y) == true)
                    {
                        gameState = 3;
                        textBox1.Text = Watch.sec + ":" + Watch.milisec + "초";
                        timer3.Stop();
                        MessageBox.Show("기록 : "+Watch.sec + ":" + Watch.milisec + "초");
                        break;
 
                    }
                }
            }
            else if (gameState == 3)
            {
                Watch.status = false;
                bleft = false;
                bright = false;
                bup = false;
                bdown = false;
                if (bspace) gameState = 0;
                for (int i =0; i<missile_quantity; i++)
                {
                    ballPoint[i].X += x_speed[i];
                    ballPoint[i].Y += y_speed[i];
                    pictureBox1.Invalidate();
                }
            }
            else if (gameState == 0)
            {
                Watch.status = false;
               
            }
            pictureBox1.Invalidate();
 
        }
 
        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {
 
             // 키코드를 누를 때 입력 받는 함수
            if (e.KeyCode == Keys.Right) bright = true;
            if (e.KeyCode == Keys.Left) bleft = true;
            if (e.KeyCode == Keys.Down) bdown = true;
            if (e.KeyCode == Keys.Up) bup = true;
            
 
        }
    }
 
    
    
}
 
 cs

 

 

 

 

WindowsFormsApp3.zip

WindowsFormsApp3.sln

 

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace WindowsFormsApp3
{
    public partial class Form1 : Form
    {
        Random rs = new Random(); // 랜덤 함수 출력
                                  // 볼 갯수 
        const int missile_quantity = 100;
 
        int randnumber = 0;
        // 볼 사이즈와 컬러 구조체 선언
        Point[] ballPoint = new Point[missile_quantity];
        int sizePoint_x = 5;
        int sizePoint_y = 5;
        // 비행기컬러 , 비행기 사이즈 구조체 선언
        int ship_x = 300;
        int ship_y = 300;
        int shipsize = 25;
 
     
 
        // 볼 속도 선언
        int[] x_speed = new int[100];
        int[] y_speed = new int[100];
        
 
        public Form1()
        {
            InitializeComponent();
           
            for (int i = 0; i < missile_quantity; i++)
            {
                ballPoint[i].X = rs.Next(0, pictureBox1.Width);
                ballPoint[i].Y = rs.Next(0, pictureBox1.Height);
                x_speed[i] = rs.Next(-3, 3);
                y_speed[i] = rs.Next(-3, 3);
                if (x_speed[i] == 0)
                    x_speed[i] = 1;
                else if (y_speed[i] == 0)
                    y_speed[i] = 1;
            }
        }
 
        private void pictureBox1_Paint(object sender, PaintEventArgs e)
        {
         
            //비행기 그리는 소스
            Image ship = Bitmap.FromFile("ship.png"); // 이미지로 가져오는 소스
            e.Graphics.DrawImage(ship, ship_x, ship_y, shipsize, shipsize);
       
           
            for (int i = 0; i < missile_quantity; i++)
            {
                if (i % 2 == 0) e.Graphics.FillEllipse(Brushes.Blue,ballPoint[i].X,ballPoint[i].Y, sizePoint_x, sizePoint_y);
                else e.Graphics.FillEllipse(Brushes.Purple,ballPoint[i].X,ballPoint[i].Y, sizePoint_x, sizePoint_y);
 
            }
 
 
        }
 
        private void timer1_Tick(object sender, EventArgs e)
        {
            for (int i = 0; i < missile_quantity; i++)
            {
                // 볼을 이동시키는 소스
                ballPoint[i].X += x_speed[i];
                ballPoint[i].Y += y_speed[i];
                pictureBox1.Invalidate(); // 화면 갱신
 
                // 벽을 만나면 튕기는 소스
                if (ballPoint[i].X < 0) x_speed[i] *= -1;
                if (ballPoint[i].X > pictureBox1.Width) x_speed[i] *= -1;
                if (ballPoint[i].Y < 0) y_speed[i] *= -1;
                if (ballPoint[i].Y > pictureBox1.Height) y_speed[i] *= -1;
            }
         
 
        }
        // 키보드 이동용 bool변수
        bool bleft = false, bright = false, bup = false, bdown = false;
 
        private void pictureBox1_Click(object sender, EventArgs e)
        {
 
 
        }
        
 
        private void Form1_KeyUp(object sender, KeyEventArgs e)
        {
            //키코드를 뗄 때 입력받는 함수
            if (e.KeyCode == Keys.Right) bright = false;
            if (e.KeyCode == Keys.Left) bleft = false;
            if (e.KeyCode == Keys.Down) bdown = false;
            if (e.KeyCode == Keys.Up) bup = false;
 
            
        }
 
        private void timer2_Tick(object sender, EventArgs e)
        {
            // 비행기 움직임
            if (bright) { if (ship_x < pictureBox1.Width-30) ship_x += 5; }
            if (bleft) { if (ship_x > 0) ship_x -= 5; }
            if (bup) { if (ship_y > 0) ship_y -= 5; }
            if (bdown) { if (ship_y < pictureBox1.Height -30) ship_y += 5; }
 
            pictureBox1.Invalidate();
 
        }
 
        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {
 
            // 키코드를 누를 때 입력 받는 함수
            if (e.KeyCode == Keys.Right) bright = true;
            if (e.KeyCode == Keys.Left) bleft = true;
            if (e.KeyCode == Keys.Down) bdown = true;
            if (e.KeyCode == Keys.Up) bup = true;
            
 
        }
    }
 
    
    
}
 
 cs

 

 

 

 

// 수정 코드

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
 
namespace WindowsFormsApp3
{
    public partial class Form1 : Form
    {
        Random rs = new Random(); // 랜덤 함수 출력
                                  // 볼 갯수 
        const int missile_quantity = 100;
 
        int randnumber = 0;
        // 볼 사이즈와 컬러 구조체 선언
        Point[] ballPoint = new Point[missile_quantity];
        int sizePoint_x = 5;
        int sizePoint_y = 5;
        // 비행기컬러 , 비행기 사이즈 구조체 선언
        int ship_x = 0;
        int ship_y = 0;
        int shipsize = 25;
 
        int ready_x = 0;
        int ready_y = 0;
        int readysize_x = 200;
        int readysize_y = 100;
 
        int gameover_x = 0;
        int gameover_y = 0;
        int gameover_size_x = 0;
        int gameover_size_y = 0;
 
        int gameState = 0;
 
        // 볼 속도 선언
        int[] x_speed = new int[100];
        int[] y_speed = new int[100];
        
 
        public Form1()
        {
            InitializeComponent();
            ship_x = (pictureBox1.Width / 2);
            ship_y = (pictureBox1.Height / 2);
 
            ready_x = (pictureBox1.Width/2) - (readysize_x/2);
            ready_y = (pictureBox1.Height/2) - (readysize_y /2);
 
            gameover_x = (pictureBox1.Width / 2) - (gameover_size_x/2);
            gameover_y = (pictureBox1.Height / 2) - (gameover_size_y / 2);
 
 
            for (int i = 0; i < missile_quantity; i++)
            {
                ballPoint[i].X = rs.Next(0, pictureBox1.Width);
                ballPoint[i].Y = rs.Next(0, pictureBox1.Height);
                x_speed[i] = rs.Next(-3, 3);
                y_speed[i] = rs.Next(-3, 3);
                if (x_speed[i] == 0)
                    x_speed[i] = 1;
                else if (y_speed[i] == 0)
                    y_speed[i] = 1;
            }
        }
 
        private void pictureBox1_Paint(object sender, PaintEventArgs e)
        {
 
            if (gameState == 0)
            {
                Image ready = Bitmap.FromFile("ready.png"); // 이미지로 가져오는 소스
                e.Graphics.DrawImage(ready, ready_x, ready_y, readysize_x, readysize_y);
            }
            else if (gameState == 3)
            {
                Image gameover = Bitmap.FromFile("gameover.png"); // 이미지로 가져오는 소스
                e.Graphics.DrawImage(gameover, gameover_x, gameover_y, gameover_size_x, gameover_size_y);
            }
            else if (gameState == 1)
            {
                //비행기 그리는 소스
                Image ship = Bitmap.FromFile("ship.png"); // 이미지로 가져오는 소스
                e.Graphics.DrawImage(ship, ship_x, ship_y, shipsize, shipsize);
            }
           
            for (int i = 0; i < missile_quantity; i++)
            {
                if (i % 2 == 0) e.Graphics.FillEllipse(Brushes.Blue,ballPoint[i].X,ballPoint[i  ].Y, sizePoint_x, sizePoint_y);
                else e.Graphics.FillEllipse(Brushes.Purple,ballPoint[i].X,ballPoint[i].Y, sizePoint_x, sizePoint_y);
 
            }
 
 
        }
 
        private void timer1_Tick(object sender, EventArgs e)
        {
            if (gameState == 1)
            {
                for (int i = 0; i < missile_quantity; i++)
                {
                    // 볼을 이동시키는 소스
                    ballPoint[i].X += x_speed[i];
                    ballPoint[i].Y += y_speed[i];
                    pictureBox1.Invalidate(); // 화면 갱신
 
                    // 벽을 만나면 튕기는 소스
                    if (ballPoint[i].X < 0) x_speed[i] *= -1;
                    if (ballPoint[i].X > pictureBox1.Width) x_speed[i] *= -1;
                    if (ballPoint[i].Y < 0) y_speed[i] *= -1;
                    if (ballPoint[i].Y > pictureBox1.Height) y_speed[i] *= -1;
                }
            }
 
        }
        // 키보드 이동용 bool변수
        bool bleft = false, bright = false, bup = false, bdown = false;
 
        private void pictureBox1_Click(object sender, EventArgs e)
        {
 
 
        }
 
        class Watch
        {
            static public int milisec = 0;
            static public int sec = 0;
 
            static public bool status = false;
        }
        
        private void timer3_Tick(object sender, EventArgs e)
        {
            Watch.milisec++;
            if (Watch.milisec > 59)
            {
                Watch.milisec = 0;
                Watch.sec++;
                if (Watch.sec > 59)
                    Watch.sec = 0;
            }
            textBox1.Text = Watch.sec + ":" + Watch.milisec;
        }
 
        private void Form1_KeyUp(object sender, KeyEventArgs e)
        {
            //키코드를 뗄 때 입력받는 함수
           
                if (e.KeyCode == Keys.Right) bright = false;
                if (e.KeyCode == Keys.Left) bleft = false;
                if (e.KeyCode == Keys.Down) bdown = false;
                if (e.KeyCode == Keys.Up) bup = false;   
             
                if (e.KeyCode == Keys.Space) gameState = 1;
            //
            if (Watch.status == false && gameState == 1)
            {
                timer3.Start();
                timer3.Interval = 10;
                Watch.status = true;
            }
            else if (Watch.status == true && gameState == 0 && gameState == 3)
            {
                timer3.Stop();
                Watch.status = false;
            }
 
        }
 
        private void timer2_Tick(object sender, EventArgs e)
        {
            if (gameState == 1)
            {
                // 비행기 움직임
                if (bright) { if (ship_x < pictureBox1.Width - 30) ship_x += 5; }
                if (bleft) { if (ship_x > 0) ship_x -= 5; }
                if (bup) { if (ship_y > 0) ship_y -= 5; }
                if (bdown) { if (ship_y < pictureBox1.Height - 30) ship_y += 5; }
            }
            pictureBox1.Invalidate();
        }
 
        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {
 
             // 키코드를 누를 때 입력 받는 함수
            if (e.KeyCode == Keys.Right) bright = true;
            if (e.KeyCode == Keys.Left) bleft = true;
            if (e.KeyCode == Keys.Down) bdown = true;
            if (e.KeyCode == Keys.Up) bup = true;
           
 
        }
    }
 
    
    
}
 
 cs

// Timer 스톱워치 참고 자료

// http://baealex.tistory.com/89

 

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        Random rs = new Random(); // 랜덤 함수 출력
 
        int randnumber = 0;
        // 볼 사이즈와 컬러 구조체 선언
        Point[] colorPoint = new Point[100];
        Point[] sizePoint = new Point[100];
 
        // 비행기컬러 , 비행기 사이즈 구조체 선언
        int ship_x = 300;
        int ship_y = 300;
       // int shipsize = 10;
 
        int count = 0;
        // 볼 속도 선언
        int[] x_speed = new int[100];
        int[] y_speed = new int[100];
 
       
        public Form1()
        {
            InitializeComponent();
 
            // x,y 속도를 랜덤하게 출력하게 하는 함수
            // 속도가 0 일경우 1로 설정됨.
            
            for (int i = 0; i < 100; i++)
            {
                x_speed[i]= rs.Next(-3,3);
                y_speed[i] = rs.Next(-3, 3);
                if (x_speed[i] == 0)
                    x_speed[i] = 1;
                else if (y_speed[i] == 0)
                    y_speed[i] = 1;
            }
        }
 
        private void pictureBox1_MouseClick(object sender, MouseEventArgs e)
        {
            
            randnumber = rs.Next(5, 20); // 랜덤수 출력
            // 마우스 클릭시 해당 좌표값 읽어오는 소스
            //textBox1.Text = e.X.ToString() + "," + e.Y.ToString() + "(" + randnumber.ToString() + ")";
 
            colorPoint[count].X = e.X;
            colorPoint[count].Y = e.Y;
 
            
 
            //볼 사이즈를 랜덤하게 설정 
            sizePoint[count].X = randnumber; 
            sizePoint[count].Y = randnumber;
 
            count++;
            pictureBox1.Invalidate(); // 화면 갱신
        }
 
        private void pictureBox1_Paint(object sender, PaintEventArgs e)
        {
            //비행기 그리는 소스
            Image ship = Bitmap.FromFile("ship.png"); // 이미지로 가져오는 소스
            e.Graphics.DrawImage(ship, ship_x, ship_y,25,25);
            //e.Graphics.FillEllipse(Brushes.Purple, ship_x, ship_y, shipsize, shipsize);
 
            for (int i = 0; i < count; i++)
            {
                //원을 그려주는 소스
                SolidBrush mybrush = new SolidBrush(Color.FromArgb(i + 100, 255, 0, 0));
                e.Graphics.FillEllipse(mybrush, colorPoint[i].X - (sizePoint[i].X/2), colorPoint[i].Y-(sizePoint[i].Y/2), sizePoint[i].X, sizePoint[i].Y);
 
                
 
                for (int j =0; j<count; j++)
                {
                    // 선을 그려주는 소스
                   // Pen mypen = new Pen(Color.FromArgb(i + 5,255,255,255),0.1f) ;
                  //  e.Graphics.DrawLine(mypen, colorPoint[i], colorPoint[j]);
                    
                }
            }
            
        }
 
        private void timer1_Tick(object sender, EventArgs e)
        {
            for (int i = 0; i<count; i++)
            {
                // 볼을 이동시키는 소스
                colorPoint[i].X += x_speed[i]; 
                colorPoint[i].Y += y_speed[i];
                pictureBox1.Invalidate(); // 화면 갱신
                // 벽을 만나면 튕기는 소스
                if (colorPoint[i].X < 0) x_speed[i] *=-1;
                if (colorPoint[i].X > pictureBox1.Width) x_speed[i] *= -1;
                if (colorPoint[i].Y < 0) y_speed[i] *= -1;
                if (colorPoint[i].Y > pictureBox1.Height) y_speed[i] *= -1;
            }
        }
 
        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {
            // 키코드를 누를 때 입력 받는 함수
            if (e.KeyCode == Keys.Right) bright = true;
            if (e.KeyCode == Keys.Left) bleft = true;
            if (e.KeyCode == Keys.Down) bdown = true;
            if (e.KeyCode == Keys.Up) bup = true;
           
             
        }
        // 키보드 이동용 bool변수
        bool bleft = false,bright=false, bup =false,bdown =false;
 
        private void timer2_Tick(object sender, EventArgs e)
        {
            // 비행기 움직임
            if (bright) { if (ship_x < pictureBox1.Width-35) ship_x +=5; }
            if (bleft) { if (ship_x > 0) ship_x -=5; }
            if (bup) {if (ship_y > 0) ship_y -=5; }
            if (bdown) { if (ship_y < pictureBox1.Height -35)  ship_y +=5; }
 
            pictureBox1.Invalidate();
        }
 
        private void Form1_KeyUp(object sender, KeyEventArgs e)
        {
            //키코드를 뗄 때 입력받는 함수
            if (e.KeyCode == Keys.Right)bright = false;
            if (e.KeyCode == Keys.Left)bleft = false;
            if (e.KeyCode == Keys.Down)bdown = false;
            if (e.KeyCode == Keys.Up)bup = false;
            
        }
    }
}
 
 cs

 

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        Random rs = new Random(); // 랜덤 함수 출력
 
        int randnumber = 0;
        // 볼 사이즈와 컬러 구조체 선언
        Point[] colorPoint = new Point[100];
        Point[] sizePoint = new Point[100];
 
        int count = 0;
        // 볼 속도 선언
        int[] x_xpeed = new int[100];
        int[] y_xpeed = new int[100];
 
        public Form1()
        {
            InitializeComponent();
 
            // x,y 속도를 랜덤하ㅔ 출력하게 하는 함수
            // 속도가 0 일경우 1로 설정됨.
            for (int i = 0; i < 100; i++)
            {
                x_xpeed[i]= rs.Next(-3,3);
                y_xpeed[i] = rs.Next(-3, 3);
                if (x_xpeed[i] == 0)
                    x_xpeed[i] = 1;
                else if (y_xpeed[i] == 0)
                    y_xpeed[i] = 1;
            }
        }
 
        private void pictureBox1_MouseClick(object sender, MouseEventArgs e)
        {
            
            randnumber = rs.Next(5, 20); // 랜덤수 출력
            textBox1.Text = e.X.ToString() + "," + e.Y.ToString() + "(" + randnumber.ToString() + ")";
            colorPoint[count].X = e.X;
            colorPoint[count].Y = e.Y;
 
            //볼 사이즈를 랜덤하게 설정
            sizePoint[count].X = randnumber; 
            sizePoint[count].Y = randnumber;
 
            count++;
            pictureBox1.Invalidate(); // 화면 갱신
        }
 
        private void pictureBox1_Paint(object sender, PaintEventArgs e)
        {
            for (int i = 0; i < count; i++)
            {
                //원을 그려주는 소스
                SolidBrush mybrush = new SolidBrush(Color.FromArgb(i + 100, 255, 0, 0));
                e.Graphics.FillEllipse(mybrush, colorPoint[i].X - (sizePoint[i].X/2), colorPoint[i].Y-(sizePoint[i].Y/2), sizePoint[i].X, sizePoint[i].Y);
                for (int j =0; j<count; j++)
                {
                    // 선을 그려주는 소스
                    Pen mypen = new Pen(Color.FromArgb(i + 5,255,255,255),0.1f) ;
                    e.Graphics.DrawLine(mypen, colorPoint[i], colorPoint[j]);
                    
                }
            }
            
        }
 
        private void timer1_Tick(object sender, EventArgs e)
        {
            for (int i = 0; i<count; i++)
            {
                // 볼을 이동시키는 소스
                colorPoint[i].X += x_xpeed[i]; 
                colorPoint[i].Y += y_xpeed[i];
                pictureBox1.Invalidate(); // 화면 갱신
                // 벽을 만나면 튕기는 소스
                if (colorPoint[i].X < 0) x_xpeed[i] *=-1;
                if (colorPoint[i].X > pictureBox1.Width) x_xpeed[i] *= -1;
                if (colorPoint[i].Y < 0) y_xpeed[i] *= -1;
                if (colorPoint[i].Y > pictureBox1.Height) y_xpeed[i] *= -1;
            }
        }
 
       
    }
}
 
 cs

 

 

 

 

 

 

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        int x = 0, y = 0;
 
        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            e.Graphics.DrawRectangle(Pens.Orange, x, y, 100, 100); // 네모칸을 그린다.
            e.Graphics.FillRectangle(Brushes.Red, 100, 100, 100, 100); // 채워진 네모칸을 그린다.
            
        } // 그려주는함수
 
        private void Form1_MouseDown(object sender, MouseEventArgs e)
        {
            x = x + 10;
            y = y + 10;
            this.Invalidate(); // refresh 새로고침.
        }// 클릭할 경우 이벤트
    }
}
 
 cs

 //마우스를 클릭 할 경우 네모칸이 움직 인다.

//e.Graphics.FillEllipse(Brushes.Purple, 200, 200, 100, 100); // 원을 그린다.
//e.Graphics.DrawString("hello", new Font("Arial", 16), Brushes.Blue, 300, 100); // 문자를 입력한다.

 

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C# - 계산기 만들기2  (0) 2018.08.30
C# - WinForm 계산기 만들기1  (0) 2018.08.29
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        String oper="";
        double currentNumber = 0;
        double savedNumber = 0;
        public Form1()
        {
            InitializeComponent();
        }
        private void calcOper(ref String oper, ref double savedNumber, ref double currentNumber)
        {
           
                if (oper == "+") savedNumber += currentNumber;
                else if (oper == "-") savedNumber -= currentNumber;
                else if (oper == "*") savedNumber *= currentNumber;
                else if (oper == "/") savedNumber /= currentNumber;
                else savedNumber = currentNumber;
            
        }
        private void button1_Click(object sender, EventArgs e)
        {
            
            calcOper(ref oper, ref savedNumber, ref currentNumber);
            rbx1.Text = savedNumber.ToString();
            oper = "=";
          
            question.Text += currentNumber;
            currentNumber = 0;
            currentNumber = savedNumber;
 
        }
 
        private void textBox1_TextChanged(object sender, EventArgs e)
        {
           
           
        }
 
        private void textBox1_TextChanged_1(object sender, EventArgs e)
        {
 
        }
 
        private void button2_Click(object sender, EventArgs e)
        {
            if (currentNumber != 0)
            {
                calcOper(ref oper, ref savedNumber, ref currentNumber);
 
                question.Text += currentNumber.ToString() + "+";
                rbx1.Text = savedNumber.ToString();
                currentNumber = 0;
                oper = "+";
            }
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {
 
        }
 
        private void rbx1_TextChanged(object sender, EventArgs e)
        {
 
        }
 
        private void num1_Click(object sender, EventArgs e)
        {
 
            currentNumber = (currentNumber * 10) + 1;
            rbx1.Text = currentNumber.ToString();
           
        }
 
        private void minus_Click(object sender, EventArgs e)
        {
            if (currentNumber != 0)
            {
                calcOper(ref oper, ref savedNumber, ref currentNumber);
                question.Text += currentNumber.ToString() + "-";
                rbx1.Text = savedNumber.ToString();
                currentNumber = 0;
                oper = "-";
            }
        }
       
        private void clear_Click(object sender, EventArgs e)
        {
            rbx1.Clear();
            question.Clear();
            savedNumber = 0;
            currentNumber = 0;
        }
 
        private void mul_Click(object sender, EventArgs e)
        {
            if (currentNumber != 0)
            {
                calcOper(ref oper, ref savedNumber, ref currentNumber);
                question.Text += currentNumber.ToString() + "*";
                rbx1.Text = savedNumber.ToString();
                currentNumber = 0;
                oper = "*";
            }
        }
 
        private void div_Click(object sender, EventArgs e)
        {
            if (currentNumber != 0)
            {
                calcOper(ref oper, ref savedNumber, ref currentNumber);
                question.Text += currentNumber.ToString() + "/";
                rbx1.Text = savedNumber.ToString();
                currentNumber = 0;
                oper = "/";
            }
        }
 
        private void num3_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 3;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num4_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 4;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num5_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 5;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num6_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 6;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num7_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 7;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num8_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 8;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num9_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 9;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num0_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 0;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num2_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 2;
            rbx1.Text = currentNumber.ToString();
 
        }
 
        private void question_TextChanged(object sender, EventArgs e)
        {
 
        }
    }
}
 
 cs

 

 

 

 

>> 함수를 써서 간결화

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        String oper="";
        double currentNumber = 0;
        double savedNumber = 0;
        public Form1()
        {
            InitializeComponent();
        }
        private void calcOper(string currentOper, ref String oper, ref double savedNumber, ref double currentNumber)
        {
           
                if (oper == "+") savedNumber += currentNumber;
                else if (oper == "-") savedNumber -= currentNumber;
                else if (oper == "*") savedNumber *= currentNumber;
                else if (oper == "/") savedNumber /= currentNumber;
                else savedNumber = currentNumber;
          
            question.Text += currentNumber.ToString() + ""+currentOper+"";
            rbx1.Text = savedNumber.ToString();
            oper = currentOper;
 
        }
        private void button1_Click(object sender, EventArgs e)
        {
            
            calcOper("=",ref oper, ref savedNumber, ref currentNumber);
            question.Text += currentNumber;
            currentNumber = 0;
            currentNumber = savedNumber;
 
        }
 
        private void textBox1_TextChanged(object sender, EventArgs e)
        {
           
           
        }
 
        private void textBox1_TextChanged_1(object sender, EventArgs e)
        {
 
        }
 
        private void button2_Click(object sender, EventArgs e)
        {
            if (currentNumber != 0)
            {
                calcOper("+",ref oper, ref savedNumber, ref currentNumber);
                
                currentNumber = 0;
               
            }
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {
 
        }
 
        private void rbx1_TextChanged(object sender, EventArgs e)
        {
 
        }
 
        private void num1_Click(object sender, EventArgs e)
        {
 
            currentNumber = (currentNumber * 10) + 1;
            rbx1.Text = currentNumber.ToString();
           
        }
 
        private void minus_Click(object sender, EventArgs e)
        {
            if (currentNumber != 0)
            {
                calcOper("-",ref oper, ref savedNumber, ref currentNumber);
               
                currentNumber = 0;
               
            }
        }
       
        private void clear_Click(object sender, EventArgs e)
        {
            rbx1.Clear();
            question.Clear();
            savedNumber = 0;
            currentNumber = 0;
            oper = "";
        }
 
        private void mul_Click(object sender, EventArgs e)
        {
            if (currentNumber != 0)
            {
                calcOper("*",ref oper, ref savedNumber, ref currentNumber);
              
                currentNumber = 0;
                
            }
        }
 
        private void div_Click(object sender, EventArgs e)
        {
            if (currentNumber != 0)
            {
                calcOper("/",ref oper, ref savedNumber, ref currentNumber);
              
                currentNumber = 0;
             
            }
        }
 
        private void num3_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 3;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num4_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 4;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num5_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 5;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num6_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 6;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num7_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 7;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num8_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 8;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num9_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 9;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num0_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 0;
            rbx1.Text = currentNumber.ToString();
        }
 
        private void num2_Click(object sender, EventArgs e)
        {
            currentNumber = (currentNumber * 10) + 2;
            rbx1.Text = currentNumber.ToString();
 
        }
 
        private void question_TextChanged(object sender, EventArgs e)
        {
 
        }
    }
}
 
 cs

 

 

>> 참고 결과

 

wfCalc.zip

 

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C# - 공튀기기 (particles.js)  (0) 2018.08.30
C# - 이벤트  (0) 2018.08.30
C# - WinForm 계산기 만들기1  (0) 2018.08.29
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//C# 윈도우 폼 계산기 만들기


        private void button1_Click(object sender, EventArgs e)
        {
            int a = int.Parse(tbxData1.Text);
            int b = int.Parse(tbxData2.Text);

            rbx1.Text = (a + b).ToString()   

   }

 

// 숫자 입력한 뒤 버튼을 누르면 더한 결과가 나온다.

 

 

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        int question_a = 0, question_b = 0;
        public Form1()
        {
            InitializeComponent();
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
 
            //int a = int.Parse(tbxData1.Text);
            //int b = int.Parse(tbxData2.Text);
 
            //rbx1.Text = (a + b).ToString();
 
            int a = question_a;
            int b = question_b;
            rbx1.Text =(a+b).ToString();
 
        }
 
        private void textBox1_TextChanged(object sender, EventArgs e)
        {
           
           
        }
 
        private void textBox1_TextChanged_1(object sender, EventArgs e)
        {
 
        }
 
        private void button2_Click(object sender, EventArgs e)
        {
            question.Text = "+";
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {
 
        }
 
        private void rbx1_TextChanged(object sender, EventArgs e)
        {
 
        }
 
        private void num1_Click(object sender, EventArgs e)
        {
            question.Text += 1.ToString();
           
        }
 
        private void minus_Click(object sender, EventArgs e)
        {
            question.Text = "-";
        }
 
        private void clear_Click(object sender, EventArgs e)
        {
            question.Clear();
        }
 
        private void mul_Click(object sender, EventArgs e)
        {
            question.Text = "*";
        }
 
        private void div_Click(object sender, EventArgs e)
        {
            question.Text = "/";
        }
 
        private void del_Click(object sender, EventArgs e)
        {
 
        }
 
        private void num3_Click(object sender, EventArgs e)
        {
            question.Text += 3.ToString();
        }
 
        private void num4_Click(object sender, EventArgs e)
        {
            question.Text += 4.ToString();
        }
 
        private void num5_Click(object sender, EventArgs e)
        {
            question.Text += 5.ToString();
        }
 
        private void num6_Click(object sender, EventArgs e)
        {
            question.Text += 6.ToString();
        }
 
        private void num7_Click(object sender, EventArgs e)
        {
            question.Text += 7.ToString();
        }
 
        private void num8_Click(object sender, EventArgs e)
        {
            question.Text += 8.ToString();
        }
 
        private void num9_Click(object sender, EventArgs e)
        {
            question.Text += 9.ToString();
        }
 
        private void num0_Click(object sender, EventArgs e)
        {
            question.Text += 0.ToString();
        }
 
        private void num2_Click(object sender, EventArgs e)
        {
            question.Text += 2.ToString();
 
        }
    }
}
 
 cs

 

 

 

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int main()
{
 
    int a = 0;
 
    while (1) {
        printf("hello");
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10; j++) {
                if (a == 0)
                    goto stop;
            }
        }
    }
    stop:
    printf("탈출\n");
    return 0;
}
 
 cs

 

// goto 문이 실행되는 순간 stop:구문으로 이동하여 탈출 한다.

출력 결과  :

 

 

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#include "stdafx.h"
#include <stdio.h>
#include <Windows.h>
#define MAX 3
 
struct st_info {
    char name[30];
    double lang=0.0f, eng = 0.0f, math = 0.0f;
    double total = 0.0f, avg = 0.0f, rank = 0.0f;
    char grade[3];
};
int main()
{
    typedef unsigned char byte;
 
    //구조체
    st_info clsA[MAX];
    for (int i = 0; i < MAX; i++) {
        system("cls");
        printf("%d번 학생\n이름 :", i + 1);
        scanf_s("%s", clsA[i].name, sizeof(clsA[i].name));
 
        printf("국어 :");
        scanf_s("%lf", &clsA[i].lang);
    
        printf("영어 :");
        scanf_s("%lf", &clsA[i].eng);
 
        printf("수학 :");
        scanf_s("%lf", &clsA[i].math);
    
        clsA[i].total = clsA[i].lang + clsA[i].eng + clsA[i].math;
        clsA[i].avg = (clsA[i].lang + clsA[i].eng + clsA[i].math) / 3;
    
        if (clsA[i].total > 95) sprintf_s(clsA[i].grade, "A+");
        else if (clsA[i].total > 90 && clsA[i].total <=95) sprintf_s(clsA[i].grade, "A0");
        else if (clsA[i].total > 85 && clsA[i].total <= 90) sprintf_s(clsA[i].grade, "B+");
        else if (clsA[i].total > 80 && clsA[i].total <= 85) sprintf_s(clsA[i].grade, "B0");
        else if (clsA[i].total > 75 && clsA[i].total <= 80) sprintf_s(clsA[i].grade, "C+");
        else if (clsA[i].total > 70 && clsA[i].total <= 75) sprintf_s(clsA[i].grade, "C0");
        else if (clsA[i].total > 65 && clsA[i].total <= 70) sprintf_s(clsA[i].grade, "D+");
        else if (clsA[i].total > 60 && clsA[i].total <= 65) sprintf_s(clsA[i].grade, "D0");
    }
 
    printf("------------------------------------------------------\n");
    printf("이    름 | 국어 | 영어 | 수학 | 총점| 평균 | 등급\n");
    for (int i = 0; i < MAX; i++) {
        printf("%s %0.1lf %0.1lf %0.1lf %0.1lf %0.1lf %s\n", clsA[i].name, clsA[i].lang,clsA[i].eng,clsA[i].math,clsA[i].total,clsA[i].avg, clsA[i].grade);
    }
    return 0;
}
 
 
 cs

출력 결과

// 이름과 국, 영, 수 점수를 scanf으로 입력 받을 수 있고, 입력된 결과를 출력 한다.

 

*과제

// 1등과 꼴지  출력하기

// 등수대로 출력하기

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#include "stdafx.h"
#include <stdio.h>
#include <stdlib.h>
#include <Windows.h>
#include <random>
    using namespace std;
#define MAX 5
 
void _swap(int *a, int *b) {
        int tmp = *a;
        *a = *b;
        *b = tmp;
}
int main()
{
    int bingo[MAX][MAX];
    int count = 0;
    int dice = 0;
    int d1, d2, d3, d4;
    d1 = d2 = d3 = d4 = 0;
 
 
    for (int i = 0; i < MAX; i++) {
        for (int j = 0; j < MAX; j++) {
            count++;
            *(*(bingo+i)+j) = count;
        }
    }
    for (int i = 0; i < 1000; i++) {
        d1 = rand() % 5;
        d2 = rand() % 5;
        d3 = rand() % 5;
        d4 = rand() % 5;
 
        _swap((*(*bingo + d1) + d2)),(*(*bingo + d3) + d4));
    }
    while (1) {
        system("cls");
        for (int i = 0; i < MAX; i++) {
            for (int j = 0; j < MAX; j++) {
                printf("%d ", *(*(bingo+i)+j));
            }
            printf("\n");
        }
        Sleep(100);
    }
    return 0;
}
 cs

 

// 미완성 

 

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