source: 2014/27/AleksanteriV/Protokolla236/Protokolla236/Protokolla236/MikonPhysicsObject.cs @ 5212

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

public class MikonPhysicsObject : PhysicsObject
{
    private bool broken = false;
    private Protokolla236 game;
    public void Break(int method, int pieceCountX = 2, int pieceCountY = 2)
    {
        if (this.broken) { return; }
        this.Destroy();
        this.broken = true;
        switch (method)
        {
            case 0://uniform break
                var pieceWidth = this.Width / pieceCountX;
                var pieceHeight = this.Height / pieceCountY;
                if (pieceWidth < 3 || pieceHeight < 3) { return; }
                var useCollisions = true;
                if (pieceWidth < 10 || pieceHeight < 10) { useCollisions = false; }
                //loop x and y through
                //calc left corner
                var startCorner = Vector.FromLengthAndAngle(this.Width / 2 - pieceWidth / 2, this.AbsoluteAngle + Angle.StraightAngle) + Vector.FromLengthAndAngle(this.Height / 2 - pieceHeight / 2, this.AbsoluteAngle - Angle.RightAngle); //vasen alakulma

                for (int y = 0; y < pieceCountY; y++)
                {
                    for (int x = 0; x < pieceCountX; x++)
                    {
                        MikonPhysicsObject childBox = new MikonPhysicsObject(this.game, pieceWidth, pieceHeight);
                        if (!useCollisions)
                        {
                            childBox.CollisionIgnoreGroup = 2;
                        }
                        childBox.Color = this.Color;
                        childBox.Tag = this.Tag;
                        childBox.AbsoluteAngle = this.AbsoluteAngle;
                        childBox.AngularVelocity = this.AngularVelocity;

                        childBox.Position = this.Position + startCorner
                            + Vector.FromLengthAndAngle(x * pieceWidth, this.AbsoluteAngle) //plus x                                                               
                            + Vector.FromLengthAndAngle(y * pieceHeight, this.AbsoluteAngle + Angle.RightAngle); //plus y                                          

                        childBox.Velocity = this.Velocity;

                        //childBox.Position += offset;

                        if (RandomGen.NextDouble(0, 1) < 0.2) {
                            childBox.Break(method,pieceCountX,pieceCountY);
                        }

                        Game.Add(childBox);
                    }
                }
                break;
        }
    }
    public MikonPhysicsObject(Protokolla236 game, double w, double h)
        : base(w, h)
    {
        // TODO: Complete member initialization
        //game.AddCollisionHandler(game.level, this, delegate { this.Break(0, 2, 2); });
        this.game = game;
    }
}