using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;

namespace SlXnaApp1
{
    public partial class MainPage : PhoneApplicationPage
    {
        public Kwadrat glowa;
        public List<Kwadrat> waz = new List<Kwadrat>();

        public Brush kolor = new SolidColorBrush(Color.FromArgb(255, 0, 255, 0));

        public int kierX = 1;
        public int kierY = 0;

        // Constructor
        public MainPage()
        {
            InitializeComponent();

            System.Windows.Threading.DispatcherTimer timer = new System.Windows.Threading.DispatcherTimer();
            timer.Tick += new EventHandler(timer_Tick);
            timer.Interval = new TimeSpan(0, 0, 0, 0, 50);
            timer.Start();

            waz_stworz();
            waz_start();
        }

        public void waz_stworz()
        {
            glowa = new Kwadrat(120, 0);
            glowa.segment.Width = 10;
            glowa.segment.Height = 10;
            glowa.segment.Fill = kolor;

            Kwadrat k = new Kwadrat(110, 0);
            waz.Add(k);
            Kwadrat k1 = new Kwadrat(100, 0);
            waz.Add(k1);
            Kwadrat k2 = new Kwadrat(100, 0);
            waz.Add(k2);
            Kwadrat k3 = new Kwadrat(90, 0);
            waz.Add(k3);
            Kwadrat k4 = new Kwadrat(80, 0);
            waz.Add(k4);
            Kwadrat k5 = new Kwadrat(70, 0);
            waz.Add(k5);
            Kwadrat k6 = new Kwadrat(60, 0);
            waz.Add(k6);
            Kwadrat k7 = new Kwadrat(50, 0);
            waz.Add(k7);
            Kwadrat k8 = new Kwadrat(40, 0);
            waz.Add(k8);
        }

        void waz_rysuj()
        {
            Canvas.SetLeft(glowa.segment, glowa.X);
            Canvas.SetTop(glowa.segment, glowa.Y);
            foreach (Kwadrat segment in waz)
            {
                Canvas.SetLeft(segment.segment, segment.X);
                Canvas.SetTop(segment.segment, segment.Y);
            }
        }

        void waz_start()
        {
            obszar.Children.Add(glowa.segment);
            foreach (Kwadrat segment in waz)
                obszar.Children.Add(segment.segment);
            waz_rysuj();
        }

        public void timer_Tick(object sender, EventArgs e)
        {
            for (int i = waz.Count - 1; i > 0; i--)
            {
                waz[i].X = waz[i - 1].X;
                waz[i].Y = waz[i - 1].Y;
                waz[0].X = glowa.X;
                waz[0].Y = glowa.Y;
                glowa.X += kierX;
                glowa.Y += kierY;
            }
            waz_rysuj();
        }

        private void button2_Click(object sender, RoutedEventArgs e)
        {
            kierX = 0;
            kierY = -1;
        }

        private void button1_Click(object sender, RoutedEventArgs e)
        {
            kierX = 1;
            kierY = 0;
        }

        private void button4_Click(object sender, RoutedEventArgs e)
        {
            kierX = -1;
            kierY = 0;
        }

        private void button3_Click(object sender, RoutedEventArgs e)
        {
            kierX = 0;
            kierY = 1;
        }
    }
}