New IO structure, unexpexted error in C code

源代码/StgSharp/Control/Geoemtry.cs

@@ -1,22 +1,19 @@
 using StgSharp.Geometries;
 using StgSharp.Math;
-using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace StgSharp
 {
-    public static unsafe  partial class Geometry
+    public static unsafe partial class Geometry
     {
         public static unsafe Triangle InitTriagnle<T>(
             vec3d vertex1,
             vec3d vertex2,
             vec3d vertex3
-            )where T:Triangle
+            ) where T : Triangle
         {
             Triangle t = new Triangle();
-            
-            
+
+
             return t;
         }