source: 2016/30/LeoM/Pong/Pong/Pong/Pong.cs @ 8100

using System;
using System.Collections.Generic;
using Jypeli;
using Jypeli.Assets;
using Jypeli.Controls;
using Jypeli.Effects;
using Jypeli.Widgets;

public class Pong : PhysicsGame

{
    Vector nopeusYlos = new Vector(0, 1500);
    Vector nopeusAlas = new Vector(0, -1500);

    PhysicsObject pallo;
    PhysicsObject maila1;
    PhysicsObject maila2;
    IntMeter pelaajan1Pisteet;
    IntMeter pelaajan2Pisteet;

    public override void Begin()
    {

        Luokentta();
        AsetaOhjaimet();
        LisaaLaskurit();
        AloitaPeli();
       



    }
    void Luokentta()
    {
        pallo = new PhysicsObject(60.0, 60.0);
        pallo.Shape = Shape.Circle;
        pallo.X = -200.0;
        pallo.Y = 0.0;
        Add(pallo);
        pallo.Restitution = 1.0;
        maila1 = LuoMaila(Level.Left + 20.0, 0.0);
        maila2 = LuoMaila(Level.Right - 20.0, 0.0);
        Level.CreateBorders(1.0, true);

        

        Level.Background.Color = Color.HotPink;
        Camera.ZoomToLevel();
    }
    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, ConfirmExit, "Lopeta peli");
    }
    void AloitaPeli()
    {
        Vector impulssi = new Vector (2000.0, 0.0);
        pallo.Hit(impulssi);
    }

    PhysicsObject LuoMaila(double x, double y)
    {
        PhysicsObject maila = PhysicsObject.CreateStaticObject(2.0, 100.0);
        maila.Shape = Shape.Rectangle;

        maila.X = x;
        maila.Y = y;

        maila.Restitution = 1.0;
        Add(maila);
        return maila;
    }
    void AsetaNopeus(PhysicsObject maila, Vector nopeus)
    {
        if ((nopeus.Y > 0) && (maila.Top > Level.Top))


        {
            maila.Velocity = Vector.Zero;
            return;
        }
        if ((nopeus.Y < 0) && (maila.Bottom < Level.Bottom))
        {
            maila.Velocity = Vector.Zero;
            return;
        }


        maila.Velocity = nopeus;
    }
    void LisaaLaskurit()
    {
        pelaajan1Pisteet = LuoPisteLaskuri(Screen.Left + 100.0, Screen.Top - 100.0);
        pelaajan2Pisteet = LuoPisteLaskuri(Screen.Right - 100.0, Screen.Top - 100.0);
    }

    IntMeter LuoPisteLaskuri(double x, double y)
    {
        IntMeter laskuri = new IntMeter(0);
        laskuri.MaxValue = 10;
        Label naytto = new Label();
        naytto.BindTo(laskuri);
        naytto.X = x;
        naytto.Y = y;
        naytto.TextColor = Color.White;
        naytto.BorderColor = Level.Background.Color;
        naytto.Color = Level.Background.Color;
        Add(naytto);

        return laskuri;
    }
    void KasittelePallonTormays(PhysicsObject pallo, PhysicsObject kohde)
    {

    }






}