source: 2017/27/AnttiN/pong/pong/pong/pong.cs @ 8941

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, 500);
    Vector nopeusAlas = new Vector(0, -500);

    PhysicsObject pallo;
    PhysicsObject piste;

    PhysicsObject maila1;
    PhysicsObject maila2;

    PhysicsObject vasenReuna;
    PhysicsObject oikeaReuna;

    const double PALLON_MIN_NOPEUS = 500;

    IntMeter pelaajan1Pisteet;
    IntMeter pelaajan2Pisteet;

    public override void Begin()
    {
        LuoKentta();
        AloitaPeli();
        AsetaOhjaimet();
        LisaaLaskurit();
        LisaaMuut();

    }


    protected override void Update(Time time)
    {
        if (pallo != null && Math.Abs(pallo.Velocity.X) < PALLON_MIN_NOPEUS)
        {
            pallo.Velocity = new Vector(pallo.Velocity.X * 1.1, pallo.Velocity.Y);
        }
        base.Update(time);
    }

    void LisaaMuut()
    {

        for (int i = 0; i < 50; i++)
        {
            LuoPiste(RandomGen.NextDouble(500, -500),RandomGen.NextDouble(500, -500));
        }

    }

    void LuoPiste(double x,double y)
    {

        piste = new PhysicsObject(10.0, 10.0);
        piste.Shape = Shape.Circle;
        piste.Tag = "piste";
        piste.X = x;
        piste.Y = y;
        Add(piste);

    }

    void LuoKentta()
    {

            pallo = new PhysicsObject(60.0, 60.0);
            pallo.Shape = Shape.Circle;
            pallo.X = -200.0;
            pallo.Y = RandomGen.NextDouble(500, -500);
            pallo.Restitution = 1.0;
            pallo.KineticFriction = 0.0;
            pallo.MomentOfInertia = Double.PositiveInfinity;
            pallo.Color = Color.Blue;
            Add(pallo);
            AddCollisionHandler(pallo, KasittelePallonTormays);
            AddCollisionHandler(pallo, Pistetormaus);

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

        vasenReuna = Level.CreateLeftBorder();
        vasenReuna.Restitution = 1.0;
        vasenReuna.IsVisible = false;
        vasenReuna.KineticFriction = 0.0;

        oikeaReuna = Level.CreateRightBorder();
        oikeaReuna.Restitution = 1.0;
        oikeaReuna.IsVisible = false;
        oikeaReuna.KineticFriction = 0.0;

        PhysicsObject alaReuna = Level.CreateBottomBorder();
        alaReuna.Restitution = 1.0;
        alaReuna.IsVisible = false;
        alaReuna.KineticFriction = 0.0;

        PhysicsObject ylaReuna = Level.CreateTopBorder();
        ylaReuna.Restitution = 1.0;
        ylaReuna.IsVisible = false;
        ylaReuna.KineticFriction = 0.0;

        Level.Background.Color = Color.Green;

        Camera.ZoomToLevel();
        
    }

    void AloitaPeli()
    {

        Vector impulssi = new Vector(500.0, 0.0);
        pallo.Hit(impulssi);

    }

    PhysicsObject LuoMaila(double x, double y)
    {
        PhysicsObject maila = PhysicsObject.CreateStaticObject(20.0, 100.0);
        maila.Shape = Shape.Rectangle;
        maila.X = x;
        maila.Y = y;
        maila.Restitution = 1.0;
        maila.KineticFriction = 0.0;
        Add(maila);
        maila.Color = Color.Yellow;
        return maila;
    }
    void AsetaOhjaimet()
    {
        Keyboard.Listen(Key.A, ButtonState.Down, AsetaNopeus, "Pelaaja 1: Liikuta mailaa ylös", maila1, nopeusYlos);
        Keyboard.Listen(Key.A, ButtonState.Released, AsetaNopeus, null, maila1, Vector.Zero);
        Keyboard.Listen(Key.Z, ButtonState.Down, AsetaNopeus, "Pelaaja 1: Liikuta mailaa alas", maila1, nopeusAlas);
        Keyboard.Listen(Key.Z, 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");

        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);

        ControllerOne.Listen(Button.Back, ButtonState.Pressed, ConfirmExit, "Lopeta peli");
        ControllerTwo.Listen(Button.Back, ButtonState.Pressed, ConfirmExit, "Lopeta peli");
    }


    void AsetaNopeus(PhysicsObject maila, Vector nopeus)
    {
        if ((nopeus.Y < 0) && (maila.Bottom < Level.Bottom))
        {
            maila.Velocity = Vector.Zero;
            return;
        }
        if ((nopeus.Y > 0) && (maila.Top > Level.Top))
        {
            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 = 100;

        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)
    {
        if (kohde == oikeaReuna)
        {
            pelaajan1Pisteet.Value += 1;
        }
        else if (kohde == vasenReuna)
        {
            pelaajan2Pisteet.Value += 1;
        }
    }

    void Pistetormaus(PhysicsObject pallo, PhysicsObject kohde)
    {
        if(kohde.Tag == "piste")
        {
            kohde.Destroy();
        }
        
        pallo.Size *= 0.95;


    }


}