LahinPallo

lahinpallo.cs

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

public class T4_5_LahinPallo : PhysicsGame
{
    public override void Begin()
    {
        // Kirjoita ohjelmakoodisi tähän

        SetWindowSize(800, 600);
        Level.Size = new Vector(800,600);
        PhysicsObject[] pallot = TeeSatunnaisetPallot(20, 30.0);

        PhysicsObject sininenPallo = new PhysicsObject(30.0, 30.0, Shape.Circle);
        sininenPallo.Color = Color.Blue;
        sininenPallo.X = 100;
        sininenPallo.Y = 100;
        Add(sininenPallo);

        PhysicsObject lahinPallo = LahinPallo(pallot, sininenPallo.Position);

        PhoneBackButton.Listen(ConfirmExit, "Lopeta peli");
        Keyboard.Listen(Key.Escape, ButtonState.Pressed, ConfirmExit, "Lopeta peli");
    }

    private PhysicsObject[] TeeSatunnaisetPallot(int montako, double koko)
    {
        PhysicsObject[] pallot = new PhysicsObject[montako];
        for (int i = 0; i < montako; i++)
        {
            PhysicsObject p = new PhysicsObject(koko, koko, Shape.Circle);
            pallot[i] = p;
            p.Position = RandomGen.NextVector(Level.BoundingRect);
            Add(p);
        }

        return pallot;
    }

    public PhysicsObject LahinPallo(PhysicsObject[] pallot, Vector piste)
    {
        double differenceX = 800;
        double differenceY = 800;
        double totalDifference = 1600;
        int closest = 0;

        for (int i = 0; i < pallot.Length; i++)
        {
            differenceX = Math.Abs(pallot[i].Position[x]) - Math.Abs(piste[x]);
            differenceY = Math.Abs(pallot[i].Position[y]) - Math.Abs(piste[y]);
            if (differenceY + differenceX < totalDifference)
            {
                closest = i;
            }
        }
        return pallot[closest];
    }
}