source: 2014/27/AleksanteriV/Protokolla236TrueSurvivor/Protokolla236TrueSurvivor/Protokolla236TrueSurvivor/Radar.cs @ 5369

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

class Radar : GameObject
{
    private GameObject planet;
    private GameObject ship;
    Proto236b parent;
    public Radar(Proto236b parent)
        : base(200, 200)
    {
        this.parent = parent;
        this.Image = parent.Images["HUD_radar"];
        if (parent.CurrentLevel.IsPlanet)
        {
            //planet radar
            this.planet = new GameObject(100, 100);
            planet.Shape = Shape.Circle;
            Add(planet);
            this.ship = new GameObject(10, 10);
            ship.Color = Color.Red;
            Add(ship);
        }
        else
        {
            //space radar
        }
    }
    public override void Update(Time time)
    {
        this.ship.X = 0;
        this.ship.Y = 0;
        double length = (parent.Player.Y - parent.Level.Bottom)/parent.Level.Height * 20 + 40;
        this.ship.Position += Vector.FromLengthAndAngle(length,Angle.RightAngle);
        base.Update(time);
    }
}