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diff --git a/源代码/.Net/.vs/StgSharp/v17/.futdcache.v2 b/源代码/.Net/.vs/StgSharp/v17/.futdcache.v2
index dfbfdc68..345aff30 100644
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diff --git a/源代码/.Net/.vs/StgSharp/v17/.suo b/源代码/.Net/.vs/StgSharp/v17/.suo
index 94e8a2fc..200404a0 100644
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diff --git a/源代码/.Net/StgSharp/Control/Add.cs b/源代码/.Net/StgSharp/Control/Add.cs
new file mode 100644
index 00000000..5c280216
--- /dev/null
+++ b/源代码/.Net/StgSharp/Control/Add.cs
@@ -0,0 +1,29 @@
+using GLFWDotNet;
+using StgSharp.Geometries;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StgSharp.Control
+{
+    public static class Add
+    {
+        public static void Point(IGeometry geometry)
+        {
+            Point p = new Point();
+            p.getXHandler+=geometry.SetPointArray;
+            TimeLine._cache.pointContainer.Add(p);
+        }
+
+        public static void Line(Point p, float vecX,float vecY)
+        {
+            Line l = new Line
+            {
+                endpoint = p,
+                vecX = vecX,
+                vecY = vecY
+            };
+            TimeLine._cache.geometryContainer.Add(l);
+        }
+    }
+}
diff --git a/源代码/.Net/StgSharp/Control/Remove.cs b/源代码/.Net/StgSharp/Control/Remove.cs
new file mode 100644
index 00000000..95b22083
--- /dev/null
+++ b/源代码/.Net/StgSharp/Control/Remove.cs
@@ -0,0 +1,20 @@
+using StgSharp.Logic;
+using StgSharp.Geometries;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StgSharp.Control
+{
+    public static class Remove
+    {
+        public static void Point(Point p)
+        {
+            Logic.LinkedListNode<INode> _cache = p.ID;
+            _cache.Previous.Next=_cache.Next;
+            _cache.Next.Previous = _cache.Previous;
+            _cache.Next = default(Logic.LinkedListNode<INode>);
+            _cache.Previous = default(Logic.LinkedListNode<INode>);
+        }
+    }
+}
diff --git a/源代码/.Net/StgSharp/Control/TimeLine.cs b/源代码/.Net/StgSharp/Control/TimeLine.cs
index eda52b37..a0c71de6 100644
--- a/源代码/.Net/StgSharp/Control/TimeLine.cs
+++ b/源代码/.Net/StgSharp/Control/TimeLine.cs
@@ -7,9 +7,11 @@ namespace StgSharp.Control
 {
     public static class TimeLine
     {
+        public static Pool _cache;
 
         public static Counter<uint> tickCounter 
             = new Counter<uint>(0,1,1);
 
+
     }
 }
diff --git a/源代码/.Net/StgSharp/Entities/IEntity.cs b/源代码/.Net/StgSharp/Entities/IEntity.cs
index 06a34e0e..15ed7402 100644
--- a/源代码/.Net/StgSharp/Entities/IEntity.cs
+++ b/源代码/.Net/StgSharp/Entities/IEntity.cs
@@ -6,9 +6,9 @@ using System.Text;
 
 namespace StgSharp.Entities
 {
-    public interface IEntity
+    public interface IEntity:INode
     {
-        public Geometry CollisionShape { get; set; }
+        public IGeometry CollisionShape { get; set; }
 
         public Sensor CollisionSensor { get; set; }
 
diff --git a/源代码/.Net/StgSharp/Geometries/Circle.cs b/源代码/.Net/StgSharp/Geometries/Circle.cs
new file mode 100644
index 00000000..e78a6fcf
--- /dev/null
+++ b/源代码/.Net/StgSharp/Geometries/Circle.cs
@@ -0,0 +1,41 @@
+using StgSharp.Logic;
+using StgSharp.Geometries;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StgSharp.Geometries
+{
+    public class Circle : IGeometry
+    {
+        private Logic.LinkedListNode<INode> _id;
+        internal Point _referencePoint;
+        internal float _vecX;
+        internal float _vecY;
+
+        public Point ReferencePoint
+        {
+            get { return _referencePoint; }
+        }
+
+        public float vecX
+        {
+            get { return _vecX; }
+        }
+
+        public float vecY
+        {
+            get { return _vecY; }
+        }
+
+        public Logic.LinkedListNode<INode> ID
+        {
+            get { return _id; }
+        }
+
+        float IGeometry.SetPointArray(Counter<uint> tickCounter)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/源代码/.Net/StgSharp/Geometries/Class1.cs b/源代码/.Net/StgSharp/Geometries/GetLocationHandler.cs
similarity index 100%
rename from 源代码/.Net/StgSharp/Geometries/Class1.cs
rename to 源代码/.Net/StgSharp/Geometries/GetLocationHandler.cs
diff --git a/源代码/.Net/StgSharp/Geometries/IGeometry.cs b/源代码/.Net/StgSharp/Geometries/IGeometry.cs
new file mode 100644
index 00000000..5de4d2ce
--- /dev/null
+++ b/源代码/.Net/StgSharp/Geometries/IGeometry.cs
@@ -0,0 +1,24 @@
+using StgSharp.Logic;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StgSharp.Geometries
+{
+    
+
+    public interface IGeometry:INode
+    {
+        public Point ReferencePoint
+        {
+            get;
+        }
+
+        public float vecX
+        {
+            get;
+        }
+
+        public float SetPointArray(Counter<uint> tickCounter);
+    }
+}
diff --git a/源代码/.Net/StgSharp/Geometries/Line.cs b/源代码/.Net/StgSharp/Geometries/Line.cs
index 3b33e8ee..613c0b40 100644
--- a/源代码/.Net/StgSharp/Geometries/Line.cs
+++ b/源代码/.Net/StgSharp/Geometries/Line.cs
@@ -1,17 +1,44 @@
-using StgSharp.Logic;
+using StgSharp.Control;
+using StgSharp.Logic;
 using System;
 using System.Collections.Generic;
 using System.Text;
 
 namespace StgSharp.Geometries
 {
-    public class Line:Geometry,INode
+    public class Line:IGeometry
     {
+        private Logic.LinkedListNode<INode> _id;
+        internal Point _referencePoint;
+        internal float _vecX;
+        internal float _vecY;
 
-
-        public void SetPointArray()
+        public Point ReferencePoint
         {
-            
+            get { return _referencePoint; }
         }
+
+        public float vecX
+        { 
+            get { return _vecX; }
+        }
+
+        internal float vecY
+        {
+            get { return _vecY; }
+        }
+
+        public Logic.LinkedListNode<INode> ID
+        {
+            get { return _id; }
+        }
+
+        public float SetPointArray(Counter<uint> tickCounter)
+        {
+            return 0.0f;
+        }
+
+
+
     }
 }
diff --git a/源代码/.Net/StgSharp/Geometries/Geometry.cs b/源代码/.Net/StgSharp/Geometries/Rectangle.cs
similarity index 55%
rename from 源代码/.Net/StgSharp/Geometries/Geometry.cs
rename to 源代码/.Net/StgSharp/Geometries/Rectangle.cs
index 4bbf951f..c4555f78 100644
--- a/源代码/.Net/StgSharp/Geometries/Geometry.cs
+++ b/源代码/.Net/StgSharp/Geometries/Rectangle.cs
@@ -5,15 +5,10 @@ using System.Text;
 
 namespace StgSharp.Geometries
 {
-    public class Geometry:INode
-    {
+    public class Rectangle
+    { 
 
 
-        public void SetPointArray()
-        {
-            
-        }
-
 
     }
 }
diff --git a/源代码/.Net/StgSharp/Geometries/Square.cs b/源代码/.Net/StgSharp/Geometries/Square.cs
new file mode 100644
index 00000000..b7517ba2
--- /dev/null
+++ b/源代码/.Net/StgSharp/Geometries/Square.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StgSharp.Geometries
+{
+    public class Square:IGeometry
+    {
+        internal Point _referrencePoint;
+
+        public Point ReferrencePoint
+        {
+            get { return _referrencePoint; }
+        }
+    }
+}
diff --git a/源代码/.Net/StgSharp/Geometries/point.cs b/源代码/.Net/StgSharp/Geometries/point.cs
index b039c43d..e5146644 100644
--- a/源代码/.Net/StgSharp/Geometries/point.cs
+++ b/源代码/.Net/StgSharp/Geometries/point.cs
@@ -4,6 +4,7 @@ using StgSharp.Logic;
 using System;
 using System.Collections.Generic;
 using System.Drawing;
+using System.Security.Cryptography;
 using System.Text;
 
 
@@ -11,10 +12,16 @@ namespace StgSharp.Geometries
 {
     public class Point:  INode 
     {
+        private Logic.LinkedListNode<INode> _id;
 
         internal float x;
         internal float y;
 
+        public Logic.LinkedListNode<INode> ID
+        {
+            get { return _id; }
+        }
+
         public float X
         {
             get 
diff --git a/源代码/.Net/StgSharp/Logic/INode.cs b/源代码/.Net/StgSharp/Logic/INode.cs
index fa562f65..3cda1719 100644
--- a/源代码/.Net/StgSharp/Logic/INode.cs
+++ b/源代码/.Net/StgSharp/Logic/INode.cs
@@ -6,6 +6,9 @@ namespace StgSharp.Logic
 {
     public interface INode
     {
-
+        public LinkedListNode<INode> ID
+        {
+            get ;
+        }
     }
 }
diff --git a/源代码/.Net/StgSharp/Logic/LinkedListNode.cs b/源代码/.Net/StgSharp/Logic/LinkedListNode.cs
index 5a0aaa58..e8e471af 100644
--- a/源代码/.Net/StgSharp/Logic/LinkedListNode.cs
+++ b/源代码/.Net/StgSharp/Logic/LinkedListNode.cs
@@ -4,7 +4,7 @@ using System.Text;
 
 namespace StgSharp.Logic
 {
-    internal class LinkedListNode<T> where T : INode
+    public class LinkedListNode<T> where T : INode
     {
         internal readonly T _this;
         internal LinkedListNode<T> _previous;
diff --git a/源代码/.Net/StgSharp/Logic/Pool.cs b/源代码/.Net/StgSharp/Logic/Pool.cs
index 92b64db3..b0d436df 100644
--- a/源代码/.Net/StgSharp/Logic/Pool.cs
+++ b/源代码/.Net/StgSharp/Logic/Pool.cs
@@ -9,7 +9,11 @@ namespace StgSharp.Logic
     public class Pool
     {
         public LinkedList<Point> pointContainer;
-        public LinkedList<Geometry> geometryContainer;
+        public LinkedList<IGeometry> geometryContainer;
+        public LinkedList<Sensor> sensorContainer;
+        
+
+
 
         public Line leftBoader;
         public Line rightBoader;
diff --git a/源代码/.Net/StgSharp/Logic/Sensor.cs b/源代码/.Net/StgSharp/Logic/Sensor.cs
index 19f7a87e..0bf0ed00 100644
--- a/源代码/.Net/StgSharp/Logic/Sensor.cs
+++ b/源代码/.Net/StgSharp/Logic/Sensor.cs
@@ -4,8 +4,13 @@ using System.Text;
 
 namespace StgSharp.Logic
 {
-    public class Sensor
+    public class Sensor : INode
     {
+        private LinkedListNode<INode> _id;
 
+        LinkedListNode<INode> INode.ID
+        {
+            get { return _id; }
+        }
     }
 }
diff --git a/源代码/.Net/StgSharpDebug/Program.cs b/源代码/.Net/StgSharpDebug/Program.cs
index 49acdbd4..e536f2f7 100644
--- a/源代码/.Net/StgSharpDebug/Program.cs
+++ b/源代码/.Net/StgSharpDebug/Program.cs
@@ -1,4 +1,5 @@
 using StgSharp;
+using StgSharp.Geometries;
 using StgSharp.Logic;
 using System;