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EmuEngine

, 4 Dec 2006
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With the EmuEngine, you can create simple 2D games in C#.

Introduction

With the EmuEngine, you can create simple 2D games in C#, it’s a small library with the following classes:

With the EmuEngine, you can create simple 2D games in C#, it’s a small library with the following classes:

  • DrawingArea: This is the “main” class. It handles Picture objects, PictureWall objects, and PixelWall objects. It also includes a Collision function. Nothing more, but it’s enough for a simple 2D game like the test game in the sample project.
  • Picture: It represents a picture. The DrawingArea class has a function called AddPicture. With that function, you can add a picture into your game.
  • PictureWall: nearly the same as the Picture class. You can add a PictureWall object with the AddPictureWall function of the DrawingArea class into your game.
  • PixelWall: The constructor eats a Color, it’s a nice way to add a colored wall into your game.

The code of the test application in the project:

  public partial class Form1 : Form
  {

    public MediaPlayer status;
    public MediaPlayer eat;
    public delegate void Walk(int speed);

    static int speed = 0;
    static int score = 0;

    Walk move;
    DrawingArea area;

    Picture player;
    Picture enemy;

    Picture gameOver;
    Picture gameWin;
    
    public Form1()
    {
      InitializeComponent();
      area = new DrawingArea(doubleBufferedPanel1);

      player = new Picture("pacmanUp.GIF", 300, 100, 30, 30);
      enemy = new Picture("enemy.jpg", 100, 100, 20, 23);

      area.AddPicture(new Picture("Food.gif", 200, 50, 10, 10));
      area.AddPicture(new Picture("Food.gif", 200, 50, 10, 10));
      area.AddPicture(new Picture("Food.gif", 100, 200, 10, 10));
      area.AddPicture(new Picture("Food.gif", 300, 300, 10, 10));
      area.AddPicture(new Picture("Food.gif", 400, 54, 10, 10));
      area.AddPicture(new Picture("Food.gif", 150, 200, 10, 10));
      area.AddPicture(new Picture("Food.gif", 500, 400, 10, 10));
      area.AddPicture(new Picture("Food.gif", 123, 400, 10, 10));
      area.AddPicture(new Picture("Food.gif", 345, 65, 10, 10));
      area.AddPicture(new Picture("Food.gif", 234, 40, 10, 10));
      area.AddPicture(new Picture("Food.gif", 46, 400, 10, 10));
      area.AddPicture(new Picture("Food.gif", 123, 300, 10, 10));
      area.AddPicture(new Picture("Food.gif", 321, 123, 10, 10));

      gameOver = new Picture("gameover.gif", 140, 100, 280, 281);
      gameWin = new Picture("gamewin.gif", 140, 100, 280, 281);

      area.AddPixelWall(new PixelWall(Color.LightBlue, 30,30, 5, 
           doubleBufferedPanel1.Height - 60));
      area.AddPixelWall(new PixelWall(Color.LightBlue, 30, 30, 
           doubleBufferedPanel1.Width - 60, 5));
      area.AddPixelWall(new PixelWall(Color.LightBlue, 
           doubleBufferedPanel1.Width - 30, 30, 5, 
           doubleBufferedPanel1.Height - 60));
      area.AddPixelWall(new PixelWall(Color.LightBlue, 30, 
           doubleBufferedPanel1.Height - 30, 
           doubleBufferedPanel1.Width - 55, 5));

      area.AddPicture(player);
      area.AddPicture(enemy);

      timer1.Enabled = true;
      move = new Walk(player.MoveUp);
      speed = 1;
      score = 0;
      eat = new MediaPlayer(doubleBufferedPanel1.Handle);
      eat.Open("pacchomp.wav");
      status = new MediaPlayer(doubleBufferedPanel1.Handle);
      status.Open(@"GAMEBEGINNING.wav");
      status.Play(false);
    }

    private void timer1_Tick(object sender, EventArgs e)
    {
      area.UpdateScreen();
      if (area.PixelWallCollision(player) != null)
      {
        status.Close();
        eat.Dispose();
        status.Open(@"killed.wav");
        status.Play();
        area.DeleteAllPictures();
        timer1.Enabled = false;
        area.AddPicture(gameOver);
      }
      if (area.Collision(player) != null)
      {
        eat.Stop();
        eat.Play();
        area.DeletePicture(area.Collision(player));
        if (area.Pictures.Count == 2)
        {
          area.DeleteAllPictures();
          area.AddPicture(gameWin);
          timer1.Enabled = false;
        }
        speed++;
        score++;
        label1.Text = score.ToString();
      }
      if (enemy.Catch(player, 2))
      {
        status.Close();
        eat.Dispose();
        status.Open(@"killed.wav");
        status.Play();
        area.DeleteAllPictures();
        timer1.Enabled = false;
        area.AddPicture(gameOver);
        doubleBufferedPanel1.Invalidate();
      }
      move(speed);
    }

    private void Form1_KeyDown(object sender, KeyEventArgs e)
    {
      if (e.KeyCode == Keys.Up)
      {
        player.Image = Image.FromFile("pacmanUp.gif");
        move = new Walk(player.MoveUp);
      }
      if (e.KeyCode == Keys.Down)
      {
        player.Image = Image.FromFile("pacmanDown.gif");
        move = new Walk(player.MoveDown);
      }
      if (e.KeyCode == Keys.Right)
      {
        player.Image = Image.FromFile("pacmanRight.gif");
        move = new Walk(player.MoveRight);
      }
      if (e.KeyCode == Keys.Left)
      {
        player.Image = Image.FromFile("pacmanLeft.gif");
        move = new Walk(player.MoveLeft);
      }
    }

  }

It’s an easy way to code a game I think. All that you have to know is that your Form should have a Timer to check if any collision has happened and then call UpdateScreen() (redraws the scene).

Update

The Picture class got a new function named Catch(Picture target, int difficultLevel). With this function, you can easily add enemys, and the Paint function of your control is in the drawing area integrated, so you just have to call DrawingArea.UpdateScreen() in the TimerTick function to draw the new scene.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

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About the Author

sniffi

Germany Germany
-School
-Apprenticeship Software Developer first year
-Coding for 1 year Smile | :) .

Comments and Discussions

 
QuestionIs that suites PinprofessionalSanthoshobject27-Aug-13 21:07 
Generalemuengine [modified] PinmemberBory917-Jun-09 8:40 
Smile | :) !! HI!
Ich brauche Hilfe bei der WallCollisions, Collison, Pixelwallcollison und beim Catch!Ich habe versucht diese auf Deutsch zu übersetzen um sie besser zu versthen aber es ist schwierig und ich verstehe die Codes nicht!
Könntest du mir bitte helfen??ein Paar Kommentare würden mir viel helfen Confused | :confused:
 
Mfg
Bory
GeneralRe: emuengine Pinmembersniffi1-Sep-09 11:43 
Generalimprovement PinmemberHumanOsc3-Dec-06 8:40 
GeneralRe: improvement PinmemberMehdi Mousavi3-Dec-06 10:09 
GeneralOk got the code of the DoubleBufferedPanel Pinmembersniffi1-Dec-06 12:19 
GeneralU got my high-5! PinmemberMarc Leger1-Dec-06 12:09 
Questiondouble buffered panel Pinmemberf.digiugno1-Dec-06 10:49 
AnswerRe: double buffered panel PinmemberMarc Leger1-Dec-06 12:06 
AnswerRe: double buffered panel Pinmembersniffi1-Dec-06 12:50 
GeneralTip Pinmembersniffi1-Dec-06 7:09 
GeneralGood Work =) PinmemberMarcos Meli1-Dec-06 6:36 
GeneralThanks Pinmembersniffi28-Nov-06 9:05 
GeneralNice PinmemberPolymorpher21-Nov-06 12:08 
GeneralInfo Pinmembersniffi16-Nov-06 20:04 

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