source: 2010/23/Kavaisan/Pong/Peli.cs @ 537

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

namespace Pong
{
    public class Peli : PhysicsGame
    {
        Vector nopeusYlos = new Vector(0, 200);
        Vector nopeusAlas = new Vector(0, -200);

        PhysicsObject Pallo;
        PhysicsObject maila1;
        PhysicsObject maila2;

        PhysicsObject vasenReuna;
        PhysicsObject oikeaReuna;

        IntMeter pelaajan1Pisteet;
        IntMeter pelaajan2Pisteet;

        protected override void Begin()
        {
            LuoKentta();
            AsetaOhjaimet();
            AloitaPeli();
            MessageDisplay.TextColor = Color.Green;
            LisaaLaskurit();


        }
        void LuoKentta()
        {
            Pallo = new PhysicsObject(40.0, 40.0);
            Pallo.Shape = Shapes.Circle;
            Pallo.X = -200.0;
            Pallo.Y = 0.0;
            Pallo.Restitution = 1.0;
            Add(Pallo);
            AddCollisionHandler( Pallo, KasittelePallonTormays );


            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();

            vasenReuna = Level.CreateLeftBorder();
            vasenReuna.Restitution = 1.0;
            vasenReuna.IsVisible = false;
            oikeaReuna = Level.CreateRightBorder();
            oikeaReuna.Restitution = 1.0;
            oikeaReuna.IsVisible = false;
            PhysicsObject ylaReuna = Level.CreateTopBorder();
            ylaReuna.Restitution = 1.0;
            ylaReuna.IsVisible = false;
            PhysicsObject alaReuna = Level.CreateBottomBorder();
            alaReuna.Restitution = 1.0;
            alaReuna.IsVisible = false;


            
            Pallo.Restitution = 1.0;
        }
        void KasittelePallonTormays( PhysicsObject pallo, PhysicsObject kohde )
        {
            if ( kohde == oikeaReuna )
            {
                pelaajan1Pisteet.Value += 1;
            }
            else if ( kohde == vasenReuna )
            {
                pelaajan2Pisteet.Value += 1;
            }
        }



        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 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;
            ValueDisplay naytto = new ValueDisplay();
            naytto.BindTo( laskuri );
            naytto.X = x;
            naytto.Y = y;
            naytto.ValueColor = Color.White;
            Add( naytto );
            return laskuri;
        }

       
        
        void AloitaPeli()
        {
            Vector impulssi = new Vector( 500.0, 0.0 );
            Pallo.Hit( impulssi );
        }
        

        void AsetaOhjaimet()
        {
            Keyboard.Listen(Key.A, ButtonState.Pressed, AsetaNopeus, "Pelaaja 1: Liikuta mailaa ylös", maila1, nopeusYlos);
            Keyboard.Listen(Key.A, ButtonState.Released, AsetaNopeus, null, maila1, Vector.Zero );
            Keyboard.Listen(Key.Z, ButtonState.Pressed, AsetaNopeus, "Pelaaja 1: Liikuta mailaa alas", maila1, nopeusAlas);
            Keyboard.Listen(Key.Z, ButtonState.Released, AsetaNopeus, null, maila1, Vector.Zero);

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

            ControllerOne.Listen(Button.DPadUp, ButtonState.Down, AsetaNopeus, "Liikuta mailaa ylös", maila1, nopeusYlos);
            ControllerOne.Listen(Button.DPadUp, ButtonState.Released, AsetaNopeus, null, maila1, Vector.Zero);
            ControllerOne.Listen(Button.DPadDown, ButtonState.Down, AsetaNopeus, "Liikuta mailaa alas", maila1, nopeusAlas);
            ControllerOne.Listen(Button.DPadDown, ButtonState.Released, AsetaNopeus, null, maila1, Vector.Zero);

            ControllerTwo.Listen(Button.DPadUp, ButtonState.Down, AsetaNopeus, "Liikuta mailaa ylös", maila2, nopeusYlos);
            ControllerTwo.Listen(Button.DPadUp, ButtonState.Released, AsetaNopeus, null, maila2, Vector.Zero);
            ControllerTwo.Listen(Button.DPadDown, ButtonState.Down, AsetaNopeus, "Liikuta mailaa alas", maila2, nopeusAlas);
            ControllerTwo.Listen(Button.DPadDown, ButtonState.Released, AsetaNopeus, null, maila2, Vector.Zero);


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

            ControllerOne.Listen( Button.Back, ButtonState.Pressed, Exit, "Poistu" );
            ControllerTwo.Listen( Button.Back, ButtonState.Pressed, Exit, "Poistu" );
        }

       

        
        void AsetaNopeus( PhysicsObject maila, Vector nopeus )
        {
            if ( (nopeus.Y< 0) && (maila.Y < Level.Bottom) )
            {
                maila.Velocity = Vector.Zero;
                return;
            }
            if ( (nopeus.Y > 0) && (maila.Y > Level.Top) )
            {   
                maila.Velocity = Vector.Zero;
                return;
            }
            
            maila.Velocity = nopeus;
            
        }
   }
}