src/FingersDance.GestureControl/GestureVector.cs
author PAMPHILE Jonathan <pamphile@efrei.fr>
Tue, 27 Oct 2009 10:10:26 +0100
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child 178 56041bd3761e
permissions -rw-r--r--
Mise en place de la reconnaissance de formes
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Windows.Input;
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using System.Windows;
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namespace GestureControl
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{
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    /// <summary>
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    /// Take a list of points and try to recognize a pattern
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    /// </summary>
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    public class SurfaceGesture : List<SurfaceGestureVector>
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    {
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        #region Prop
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        /// <summary>
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        /// Allow some variation without log a direction
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        /// </summary>
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        public int Precision { get; set; }
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        #endregion
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        #region Constructor
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        /// <summary>
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        /// load know patterns and generate the vector list from a list of points with a default 20 precision factor
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        /// </summary>
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        /// <param name="list"></param>
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        public SurfaceGesture(List<SurfaceGesturePoint> list)
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        {
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            this.Precision = 20;
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            this.Generate(list);
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        }
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        /// <summary>
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        /// load know patterns and generate the vector list from a list of points with a precision factor
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        /// </summary>
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        /// <param name="list"></param>
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        /// <param name="precision"></param>
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        public SurfaceGesture(List<SurfaceGesturePoint> list, int precision)
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        {
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            this.Precision = precision;
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            this.Generate(list);
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        }
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        #endregion
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        #region GenerateVector
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        /// <summary>
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        /// Generate list of vector from courbe mouvements, filter with the pas value
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        /// </summary>
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        /// <param name="list"></param>
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        /// <param name="pas"></param>
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        /// <returns></returns>
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        private bool GenerateCourb(List<SurfaceGesturePoint> list, int pas)
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        {
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            int sep = list.Count / pas;
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            double count = 0; ;
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            SurfaceGesturePoint past = new SurfaceGesturePoint() { X = 0, Y = 0 };
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            double y = 0;
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            for (int i = 0; i < list.Count - 1; i++)
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            {
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                if (i % pas != 0)
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                {
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                    count += Math.Atan(list[i + 1].Y / list[i + 1].X) - Math.Atan(list[i].Y / list[i].X);
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                }
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                else
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                {
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                    count /= pas;
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                    if (count == 0 || this.GetDistancePoints(past, list[i + 1]) < 5)
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                    {
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                        y = list[i + 1].Y;
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                        past.X = count;
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                        continue;
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                    }
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                    if (y > list[i + 1].Y)
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                    {
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                        if (past.X > count)
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                            this.AddDirection(SurfaceGestureVectorDirection.UPRIGHT);
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                        else
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                            this.AddDirection(SurfaceGestureVectorDirection.UPLEFT);
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                    }
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                    else
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                    {
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                        if (past.X > count)
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                            this.AddDirection(SurfaceGestureVectorDirection.DOWNRIGHT);
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                        else
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                            this.AddDirection(SurfaceGestureVectorDirection.DOWNLEFT);
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                    }
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                    y = list[i + 1].Y;
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                    past.X = count;
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                }
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            }
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            Console.Write(this);
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            /*if (this.GetPattern() != "None")
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                return true;
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            else*/
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                return false;
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        }
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        /// <summary>
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        /// Get distance between two points
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        /// </summary>
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        /// <param name="p1"></param>
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        /// <param name="p2"></param>
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        /// <returns></returns>
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        private int GetDistancePoints(SurfaceGesturePoint p1, SurfaceGesturePoint p2)
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        {
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            return (int)Math.Sqrt(Math.Pow((p2.X - p1.X), 2) + Math.Pow((p1.Y - p2.Y), 2));
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        }
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        /// <summary>
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        /// add a direction in the vector list if past who not the same
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        /// </summary>
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        /// <param name="type"></param>
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        private void AddDirection(SurfaceGestureVectorDirection type)
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        {
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            if (this.Count == 0)
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            {
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                this.Add(new SurfaceGestureVector { Direction = type, Lenght = 42 });
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                return;
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            }
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            if (this[this.Count - 1].Direction != type)
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                this.Add(new SurfaceGestureVector { Direction = type, Lenght = 42 });
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        }
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        /// <summary>
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        /// generate list of vector
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        /// </summary>
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        /// <param name="list"></param>
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        private void Generate(List<SurfaceGesturePoint> list)
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        {
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            if (list.Count < 2)
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                return;
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            SurfaceGestureVectorDirection lastDirection = SurfaceGestureVectorDirection.NONE;
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            int lastPoint = 0;
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            SurfaceGesturePoint LastChange = list[0];
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            /////// TEST///////////
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            if (this.GenerateCourb(list, 5) == true)
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                return;
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            this.Clear();
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            ///////////////////////
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            for (int i = 0; i < list.Count - 1; i++)
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            {
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                if (GetHorizontal(list[lastPoint], list[i + 1]) == SurfaceGestureVectorDirection.UP && lastDirection != SurfaceGestureVectorDirection.UP)
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                {
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                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.UP, Lenght = (Math.Abs(LastChange.Y - list[i + 1].Y)) });
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                    LastChange = list[i + 1];
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                    lastDirection = SurfaceGestureVectorDirection.UP;
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                }
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                else if (GetHorizontal(list[lastPoint], list[i + 1]) == SurfaceGestureVectorDirection.DOWN && lastDirection != SurfaceGestureVectorDirection.DOWN)
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parents:
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   149
                {
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                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.DOWN, Lenght = (Math.Abs(LastChange.Y - list[i + 1].Y)) });
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   151
                    LastChange = list[i + 1];
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   152
                    lastDirection = SurfaceGestureVectorDirection.DOWN;
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parents:
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   153
                }
177
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   154
                else if (GetHorizontal(list[lastPoint], list[i + 1]) == SurfaceGestureVectorDirection.UPLEFT && lastDirection != SurfaceGestureVectorDirection.UPLEFT)
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parents: 176
diff changeset
   155
                {
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parents: 176
diff changeset
   156
                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.UPLEFT, Lenght = (Math.Abs(LastChange.Y - list[i + 1].Y)) });
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   157
                    LastChange = list[i + 1];
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diff changeset
   158
                    lastDirection = SurfaceGestureVectorDirection.UPLEFT;
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parents: 176
diff changeset
   159
                }
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parents: 176
diff changeset
   160
                else if (GetHorizontal(list[lastPoint], list[i + 1]) == SurfaceGestureVectorDirection.UPRIGHT && lastDirection != SurfaceGestureVectorDirection.UPRIGHT)
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parents: 176
diff changeset
   161
                {
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diff changeset
   162
                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.UPRIGHT, Lenght = (Math.Abs(LastChange.Y - list[i + 1].Y)) });
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   163
                    LastChange = list[i + 1];
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diff changeset
   164
                    lastDirection = SurfaceGestureVectorDirection.UPRIGHT;
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parents: 176
diff changeset
   165
                }
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parents: 176
diff changeset
   166
                else if (GetHorizontal(list[lastPoint], list[i + 1]) == SurfaceGestureVectorDirection.DOWNLEFT && lastDirection != SurfaceGestureVectorDirection.DOWNLEFT)
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parents: 176
diff changeset
   167
                {
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   168
                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.DOWNLEFT, Lenght = (Math.Abs(LastChange.Y - list[i + 1].Y)) });
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   169
                    LastChange = list[i + 1];
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   170
                    lastDirection = SurfaceGestureVectorDirection.DOWNLEFT;
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diff changeset
   171
                }
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   172
                else if (GetHorizontal(list[lastPoint], list[i + 1]) == SurfaceGestureVectorDirection.DOWNRIGHT && lastDirection != SurfaceGestureVectorDirection.DOWNRIGHT)
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   173
                {
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   174
                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.DOWNRIGHT, Lenght = (Math.Abs(LastChange.Y - list[i + 1].Y)) });
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   175
                    LastChange = list[i + 1];
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   176
                    lastDirection = SurfaceGestureVectorDirection.DOWNRIGHT;
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diff changeset
   177
                }
174
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   178
                else if (GetVertical(list[lastPoint], list[i + 1]) == SurfaceGestureVectorDirection.LEFT && lastDirection != SurfaceGestureVectorDirection.LEFT)
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   179
                {
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                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.LEFT, Lenght = (Math.Abs(LastChange.X - list[i + 1].X)) });
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   181
                    LastChange = list[i + 1];
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   182
                    lastDirection = SurfaceGestureVectorDirection.LEFT;
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parents:
diff changeset
   183
                }
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parents:
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   184
                else if (GetVertical(list[lastPoint], list[i + 1]) == SurfaceGestureVectorDirection.RIGHT && lastDirection != SurfaceGestureVectorDirection.RIGHT)
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parents:
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   185
                {
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parents:
diff changeset
   186
                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.RIGHT, Lenght = (Math.Abs(LastChange.X - list[i + 1].X)) });
45c9e55fcf23 Gesture Control
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parents:
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   187
                    LastChange = list[i + 1];
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parents:
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   188
                    lastDirection = SurfaceGestureVectorDirection.RIGHT;
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parents:
diff changeset
   189
                }
177
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parents: 176
diff changeset
   190
                else if (GetVertical(list[lastPoint], list[i + 1]) == SurfaceGestureVectorDirection.UPLEFT && lastDirection != SurfaceGestureVectorDirection.UPLEFT)
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   191
                {
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parents: 176
diff changeset
   192
                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.UPLEFT, Lenght = (Math.Abs(LastChange.Y - list[i + 1].Y)) });
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parents: 176
diff changeset
   193
                    LastChange = list[i + 1];
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parents: 176
diff changeset
   194
                    lastDirection = SurfaceGestureVectorDirection.UPLEFT;
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   195
                }
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   196
                else if (GetVertical(list[lastPoint], list[i + 1]) == SurfaceGestureVectorDirection.UPRIGHT && lastDirection != SurfaceGestureVectorDirection.UPRIGHT)
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   197
                {
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diff changeset
   198
                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.UPRIGHT, Lenght = (Math.Abs(LastChange.Y - list[i + 1].Y)) });
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   199
                    LastChange = list[i + 1];
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diff changeset
   200
                    lastDirection = SurfaceGestureVectorDirection.UPRIGHT;
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   201
                }
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   202
                else if (GetVertical(list[lastPoint], list[i + 1]) == SurfaceGestureVectorDirection.DOWNLEFT && lastDirection != SurfaceGestureVectorDirection.DOWNLEFT)
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   203
                {
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   204
                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.DOWNLEFT, Lenght = (Math.Abs(LastChange.Y - list[i + 1].Y)) });
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   205
                    LastChange = list[i + 1];
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   206
                    lastDirection = SurfaceGestureVectorDirection.DOWNLEFT;
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   207
                }
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   208
                else if (GetVertical(list[lastPoint], list[i + 1]) == SurfaceGestureVectorDirection.DOWNRIGHT && lastDirection != SurfaceGestureVectorDirection.DOWNRIGHT)
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   209
                {
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   210
                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.DOWNRIGHT, Lenght = (Math.Abs(LastChange.Y - list[i + 1].Y)) });
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   211
                    LastChange = list[i + 1];
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   212
                    lastDirection = SurfaceGestureVectorDirection.DOWNRIGHT;
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   213
                }
174
45c9e55fcf23 Gesture Control
PAMPHILE Jonathan <pamphile@efrei.fr>
parents:
diff changeset
   214
                ++lastPoint;
45c9e55fcf23 Gesture Control
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parents:
diff changeset
   215
            }
177
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   216
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   217
            //  Analyse de la forme
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   218
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   219
            int up = 0, down = 0, left = 0, right = 0, upleft = 0, upright = 0, downleft = 0, downright = 0;
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   220
            foreach (SurfaceGestureVector elt in this)
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   221
            {
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   222
                switch (elt.Direction)
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   223
                {
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   224
                    case SurfaceGestureVectorDirection.DOWN:
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   225
                        down++;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   226
                        break;
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   227
                    case SurfaceGestureVectorDirection.DOWNLEFT:
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   228
                        downleft++;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   229
                        break;
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   230
                    case SurfaceGestureVectorDirection.DOWNRIGHT:
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   231
                        downright++;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   232
                        break;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   233
                    case SurfaceGestureVectorDirection.LEFT:
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   234
                        left++;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   235
                        break;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   236
                    case SurfaceGestureVectorDirection.RIGHT:
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   237
                        right++;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   238
                        break;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   239
                    case SurfaceGestureVectorDirection.UP:
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   240
                        up++;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   241
                        break;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   242
                    case SurfaceGestureVectorDirection.UPLEFT:
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   243
                        upleft++;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   244
                        break;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   245
                    case SurfaceGestureVectorDirection.UPRIGHT:
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   246
                        upright++;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   247
                        break;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   248
                }
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   249
            }
174
45c9e55fcf23 Gesture Control
PAMPHILE Jonathan <pamphile@efrei.fr>
parents:
diff changeset
   250
        }
45c9e55fcf23 Gesture Control
PAMPHILE Jonathan <pamphile@efrei.fr>
parents:
diff changeset
   251
        private SurfaceGestureVectorDirection GetHorizontal(SurfaceGesturePoint p1, SurfaceGesturePoint p2)
45c9e55fcf23 Gesture Control
PAMPHILE Jonathan <pamphile@efrei.fr>
parents:
diff changeset
   252
        {
45c9e55fcf23 Gesture Control
PAMPHILE Jonathan <pamphile@efrei.fr>
parents:
diff changeset
   253
            if (p1.Y < p2.Y)
45c9e55fcf23 Gesture Control
PAMPHILE Jonathan <pamphile@efrei.fr>
parents:
diff changeset
   254
            {
45c9e55fcf23 Gesture Control
PAMPHILE Jonathan <pamphile@efrei.fr>
parents:
diff changeset
   255
                // go up
177
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   256
                if (Math.Abs(p2.Y - p1.Y) > this.Precision)
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   257
                {
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   258
                    if (Math.Abs(p2.X - p1.X) < Math.Abs(p2.Y - p1.Y))
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   259
                        return SurfaceGestureVectorDirection.DOWN;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   260
                    else
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   261
                    {
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   262
                        if (p1.X < p2.X)
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   263
                            return SurfaceGestureVectorDirection.DOWNRIGHT;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   264
                        else
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   265
                            return SurfaceGestureVectorDirection.DOWNLEFT;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   266
                    }
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   267
                }
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   268
                    else
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   269
                    {
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   270
                        if (p1.X < p2.X)
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   271
                            return SurfaceGestureVectorDirection.DOWNRIGHT;
89cbcb52b674 Mise en place de la reconnaissance de formes
PAMPHILE Jonathan <pamphile@efrei.fr>
parents: 176
diff changeset
   272
                        else
89cbcb52b674 Mise en place de la reconnaissance de formes
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parents: 176
diff changeset
   273
                            return SurfaceGestureVectorDirection.DOWNLEFT;
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                    }
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            }
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            else
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            {
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                // go down
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                if (Math.Abs(p1.Y - p2.Y) > this.Precision)
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                {
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                    if (Math.Abs(p1.X - p2.X) < Math.Abs(p1.Y - p2.Y))
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                        return SurfaceGestureVectorDirection.UP;
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                    else
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                    {
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                        if (p1.X < p2.X)
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                            return SurfaceGestureVectorDirection.UPRIGHT;
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                        else
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                            return SurfaceGestureVectorDirection.UPLEFT;
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                    }
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                }
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                else
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                {
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                    if (p1.X < p2.X)
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                        return SurfaceGestureVectorDirection.UPRIGHT;
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                    else
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                        return SurfaceGestureVectorDirection.UPLEFT;
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                }
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            }
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            return SurfaceGestureVectorDirection.NONE;
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        }
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        private SurfaceGestureVectorDirection GetVertical(SurfaceGesturePoint p1, SurfaceGesturePoint p2)
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        {
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            if (p1.X < p2.X)
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            {
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                // go left
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                if (Math.Abs(p2.X - p1.X) > this.Precision)
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                {
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                    if (Math.Abs(p2.Y - p1.Y) < Math.Abs(p2.X - p1.X))
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                        return SurfaceGestureVectorDirection.RIGHT;
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                    else
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                    {
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                        if (p1.Y < p2.Y)
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                            return SurfaceGestureVectorDirection.DOWNRIGHT;
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                        else
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                            return SurfaceGestureVectorDirection.UPRIGHT;
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                    }
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                }
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                else
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                {
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                    if (p1.Y < p2.Y)
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                        return SurfaceGestureVectorDirection.DOWNRIGHT;
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                    else
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                        return SurfaceGestureVectorDirection.UPRIGHT;
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                }
174
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            }
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            else
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            {
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                // go right
177
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                if (Math.Abs(p1.X - p2.X) > this.Precision)
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                {
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                    if (Math.Abs(p1.Y - p2.Y) < Math.Abs(p1.X - p2.X))
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                        return SurfaceGestureVectorDirection.LEFT;
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   333
                    else
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                    {
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                        if (p1.Y < p2.Y)
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                            return SurfaceGestureVectorDirection.DOWNLEFT;
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                        else
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                            return SurfaceGestureVectorDirection.UPLEFT;
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   339
                    }
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   340
                }
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   341
                else
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   342
                {
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                    if (p1.Y < p2.Y)
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                        return SurfaceGestureVectorDirection.DOWNLEFT;
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   345
                    else
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                        return SurfaceGestureVectorDirection.UPLEFT;
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   347
                }
174
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   348
            }
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            return SurfaceGestureVectorDirection.NONE;
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        }
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        #endregion
176
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   352
174
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        #region Override
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   354
        public override String ToString()
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   355
        {
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   356
            String ret = "";
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   358
            foreach (SurfaceGestureVector v in this)
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diff changeset
   359
            {
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   360
                ret += (v.Direction + ", lenght:" + v.Lenght + ", precision:" + this.Precision + "\n");
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parents:
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   361
                //Console.WriteLine(v.Direction + ", lenght:" + v.Lenght + ", precision:" + this.Precision);
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parents:
diff changeset
   362
            }
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   363
            return ret;
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   364
        }
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   365
        #endregion
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   366
    }
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   367
}