source: 2014/27/AleksanteriV/Protokolla236/Protokolla236/Protokolla236/MikonPhysicsObject.cs @ 5337

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

class MikonParticle : GameObject
{
    private Protokolla236 parent;
    private Vector velocity;
    public Vector Velocity { get { return velocity; } set { velocity = value; } }
    private double mass;
    public double Mass { get { return mass; } set { mass = value; } }
    public override void Update(Time time)
    {
        this.Position += this.velocity / this.mass / 40;
        if (this.parent.Level.Left > this.Position.X || this.parent.Level.Right < this.Position.X) {
            this.Destroy();
        }
        if (this.parent.Level.Bottom > this.Position.Y || this.parent.Level.Top < this.Position.Y) {
            this.Destroy();
        }
        base.Update(time);
    }
    public MikonParticle(Protokolla236 parent,double w, double h)
        : base(w, h)
    {
        this.parent = parent;
        this.IsUpdated = true;
    }
}
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 < 1 || pieceHeight < 1) { return; }
                var cheap = false;
                if (pieceWidth < 10 || pieceHeight < 10) { cheap = true; }
                //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++)
                    {
                        int w = this.Image.Width / pieceCountX, h = this.Image.Height / pieceCountY;
                        var imageArea = this.Image.Area(
                            w * x,
                            h * (pieceCountY - y - 1),
                            w * (x + 1),
                            h * ((pieceCountY - y - 1) + 1)
                        );
                        if (!cheap)
                        {
                            MikonPhysicsObject childBox = new MikonPhysicsObject(this.game, pieceWidth, pieceHeight);
                            childBox.Tag = this.Tag;
                            childBox.IgnoresGravity = this.IgnoresGravity;
                            childBox.Image = imageArea;

                            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);
                        }
                        else
                        {
                            MikonParticle childBox = new MikonParticle(this.game,pieceWidth, pieceHeight);
                            childBox.Tag = this.Tag;
                            //childBox.IgnoresGravity = this.IgnoresGravity;
                            childBox.Image = imageArea;
                            childBox.Mass = this.Mass;

                            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;

                            //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;
    }
}