source: 2010/27/Vekakart/Pong/Peli.cs @ 1072

using System;
using Jypeli;
using Jypeli.Widgets;
using Jypeli.Assets;

public class Peli : PhysicsGame
{
    PhysicsObject Pallo;
    PhysicsObject Maila1;
    PhysicsObject Maila2;

    protected override void Begin()
    {
        LuoKentta();
        Keyboard.Listen(Key.Escape, ButtonState.Pressed, Exit, "poistu");
        ALoitaPeli();


    }
    void LuoKentta()
    {
        Pallo = new PhysicsObject(40, 40);
        Pallo.Shape = Shapes.Circle;
        Pallo.X = -200.0;
        Pallo.Y = 0.0;
        Pallo.Restitution = 1.0;
        Add(Pallo);

        Maila1 = LuoMaila(Level.Left + 20.0, 0.0);
        Maila2 = LuoMaila(Level.Right - 20.0, 0.0);



        Level.CreateBorders(1.0, false);
        Level.BackgroundColor = Color.Black;

        Camera.ZoomToLevel(1.0);

        

    }
    void ALoitaPeli()
    {
        Vector impulssi = new Vector(500.0, 0.0);
        Pallo.Hit (impulssi);
    }
    void AsetaOhjaimet()
    {
        Keyboard.Listen (Key.A, ButtonState.Pressed, LiikutaMailaaYlos, "Pelaaja1: Liikuta Mailaa Ylös", Maila1);
        Keyboard.Listen (Key.A, ButtonState.Released, PysaytaMaila, null);

        Keyboard.Listen(Key.Escape, ButtonState.Pressed, Exit, "poistu");
    }
    PhysicsObject LuoMaila(double x, double y)
    {
        PhysicsObject maila = PhysicsObject.CreateStaticObject(20.0, 100.0);
        maila.Shape = Shapes.Rectangle;
        maila.X = x;
        maila.Y = y;
        maila.Restitution = 1.0;
        Add(maila);
        return maila;
    }
    void LiikutaMailaaYlos(PhysicsObject maila)
    {
        Vector nopeus = new Vector(0, 200);

        
    }
    void PysaytaMaila(PhysicsObject maila)
    {
        maila.Velocity = Vector.Zero;  
    }

}