source: 2010/24/joaamaka/Pong/Peli.cs @ 805

using System;
using Jypeli;
using Jypeli.ScreenObjects;
using Jypeli.Assets;

public class Peli : PhysicsGame
{
    PhysicsObject pallo;
    PhysicsObject maila1;
    PhysicsObject maila2;
    Vector nopeusYlos = new Vector(0, 200);
    Vector nopeusAlas = new Vector(0, -200);


    protected override void Begin()
    {
        LuoKentta();
        AsetaOhjaimet();
        AloitaPeli();
    }

    void LuoKentta()
    {
        pallo = new PhysicsObject(40.0, 40.0);
        pallo.Shape = Shapes.Circle;
        pallo.Color = Color.Yellow;
        Add(pallo);
        pallo.Restitution = 1.0;
        pallo.X = 0.0;
        pallo.Y = 0.0;

        maila1=LuoMaila(Level.Left + 20.0, 0.0);
        maila2=LuoMaila(Level.Right - 20.0, 0.0);

        Level.CreateBorders(false);
        Level.BackgroundColor = Color.Red;

        Camera.ZoomToLevel();
    }
    void AloitaPeli()

        {
        Vector impulssi = new Vector(700.0, 0.0);
        pallo.Hit(impulssi);
        }

    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 AsetaOhjaimet()
    {
        Keyboard.Listen(Key.W, ButtonState.Down, AsetaNopeus, "Pelaaja 1: Liikuta mailaa ylös", maila1, nopeusYlos);
        Keyboard.Listen(Key.W, ButtonState.Released, AsetaNopeus, null, maila1, Vector.Zero);
        Keyboard.Listen(Key.S, ButtonState.Down, AsetaNopeus, "Pelaaja 1: Liikuta mailaa alas", maila1, nopeusAlas);
        Keyboard.Listen(Key.S, ButtonState.Released, AsetaNopeus, null, maila1, Vector.Zero);

        Keyboard.Listen(Key.Up, ButtonState.Down, AsetaNopeus, "Pelaaja 2: Liikuta mailaa ylös", maila2, nopeusYlos);
        Keyboard.Listen(Key.Up, ButtonState.Released, AsetaNopeus, null, maila2, Vector.Zero);
        Keyboard.Listen(Key.Down, ButtonState.Down, AsetaNopeus, "Pelaaja 2: Liikuta mailaa alas", maila2, nopeusAlas);
        Keyboard.Listen(Key.Down, ButtonState.Released, AsetaNopeus, null, maila2, Vector.Zero);

        Keyboard.Listen(Key.F1, ButtonState.Pressed, ShowControlHelp, "Näytä ohjeet");
        Keyboard.Listen(Key.Escape, ButtonState.Pressed, Exit, "Poistu");
    }


   void LiikutaMailaaYlos(PhysicsObject maila)
   {
       if (maila.Y >= Level.Top)
       {
           maila.Velocity = Vector.Zero;
           return;
       }

       Vector nopeus = new Vector(0, 500);
       maila.Velocity = nopeus;
   }

   void LiikutaMailaaAlas(PhysicsObject maila)
   {
       Vector nopeus = new Vector(0, -500);
       maila.Velocity = nopeus;
   }

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

}