daily update on 20240427 by nitload youmu

源代码/StgSharp/Geometries/Coordination/ICoord.cs

@@ -11,13 +11,19 @@ namespace StgSharp.Geometries
     public abstract class ICoord
     {
         protected Matrix44 coordMat;
+        protected List<vec4d> pointBuffer;
+
+        public ICoord()
+        {
+            pointBuffer = new List<vec4d>();
+        }
 
         public abstract Matrix44 GlobalCoordTransformation
         {
             get;
         }
 
-        public abstract vec3d Center
+        public abstract vec3d Origin
         {
             get;
         }
@@ -36,5 +42,18 @@ namespace StgSharp.Geometries
         {
             get;
         }
+
+        public T BuildGeometry<T>(params vec4d[] defaultVertex) where T : IGeometry
+        {
+            T ret = Activator.CreateInstance<T>();
+            ret.GetVertexHandle(this, ret.VertexCount);
+            for (int i = 0; i < ret.VertexCount; i++)
+            {
+                ret[i] = defaultVertex[i];
+            }
+            return ret;
+        }
+
+
     }
 }

源代码/StgSharp/Geometries/Coordination/StreamLocalCoordinate.cs

@@ -1,4 +1,6 @@
-using System;
+using StgSharp.Math;
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -6,9 +8,18 @@ using System.Threading.Tasks;
 
 namespace StgSharp.Geometries
 {
-    public class StreamLocalCoordinate:ICoord
+    public class StreamLocalCoordinate : ICoord
     {
+        
 
+        public override Matrix44 GlobalCoordTransformation => throw new NotImplementedException();
 
+        public override vec3d Origin => Vec3d.Zero;
+
+        public override vec3d X_axis => coordMat.colum0.XYZ;
+
+        public override vec3d Y_axis => throw new NotImplementedException();
+
+        public override vec3d Z_axis => throw new NotImplementedException();
     }
 }