daily update on 20240513 by nitload youmu, instancing render added

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

@@ -10,39 +10,52 @@ namespace StgSharp.Geometries
 {
     public abstract class ICoord
     {
-        protected Matrix44 coordMat;
-        protected List<vec4d> pointBuffer;
+        private Matrix44 coordMat;
+        private Matrix44 origin;
 
         public ICoord()
         {
-            pointBuffer = new List<vec4d>();
         }
 
-        public abstract Matrix44 GlobalCoordTransformation
+        //A matrix can convert vertex to global coord.
+        public Matrix44 GlobalCoordTransformation
         {
-            get;
+            get 
+            {
+                return coordMat * origin;
+            }
         }
 
-        public abstract vec3d Origin
+        public vec3d Origin
         {
-            get;
+            get => origin.colum3.XYZ;
+            internal set => origin.colum3.XYZ = value;
         }
 
-        public abstract vec3d X_axis
+        public vec3d X_axis
         {
-            get;
+            get => coordMat.colum0.XYZ;
+            internal set => coordMat.colum0.XYZ = value;
         }
 
-        public abstract vec3d Y_axis
+        public vec3d Y_axis
         {
-            get;
+            get => coordMat.colum1.XYZ;
+            internal set => coordMat.colum1.XYZ = value;
         }
 
-        public abstract vec3d Z_axis
+        public vec3d Z_axis
         {
-            get;
+            get => coordMat.colum2.XYZ;
+            set => coordMat.colum2.XYZ = value;
         }
 
+        protected ref Matrix44 CoordMat 
+        {
+            get => ref coordMat;
+        }
+
+        //TODO 几何体构建器需要重写
         public T BuildGeometry<T>(params vec4d[] defaultVertex) where T : IGeometry
         {
             T ret = Activator.CreateInstance<T>();

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

@@ -0,0 +1,67 @@
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="PlainCoordinate.cs"
+//     Project: StgSharp
+//     AuthorGroup: Nitload Space
+//     Copyright (c) Nitload Space. All rights reserved.
+//     
+//     Permission is hereby granted, free of charge, to any person 
+//     obtaining a copy of this software and associated documentation 
+//     files (the “Software”), to deal in the Software without restriction, 
+//     including without limitation the rights to use, copy, modify, merge,
+//     publish, distribute, sublicense, and/or sell copies of the Software, 
+//     and to permit persons to whom the Software is furnished to do so, 
+//     subject to the following conditions:
+//     
+//     The above copyright notice and 
+//     this permission notice shall be included in all copies 
+//     or substantial portions of the Software.
+//     
+//     THE SOFTWARE IS PROVIDED “AS IS”, 
+//     WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+//     INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+//     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+//     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+//     ARISING FROM, OUT OF OR IN CONNECTION WITH 
+//     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//     
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+using StgSharp.Math;
+
+using System;
+using System.Collections.Generic;
+using System.Net.Http.Headers;
+using System.Text;
+
+namespace StgSharp.Geometries
+{
+    public class PlainCoordinate : ICoord
+    {
+
+        public PlainCoordinate(
+            vec3d origin,
+            vec3d xAxis,
+            vec3d yAxis
+            )
+        {
+            CoordMat = Matrix44.Unit;
+            Linear.Orthogonalize(ref xAxis, ref yAxis);
+
+            CoordMat.colum0 = new vec4d(xAxis, 0);
+            CoordMat.colum1 = new vec4d(yAxis, 0);
+            CoordMat.colum2 = new vec4d(Vec3d.Cross(xAxis, yAxis), 0);
+
+            Origin = origin;
+        }
+
+
+        public new vec3d Z_axis
+        {
+            get => Vec3d.Cross(X_axis, Y_axis);
+            set => throw new InvalidOperationException();
+        }
+
+    }
+}

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

@@ -10,14 +10,5 @@ namespace StgSharp.Geometries
 {
     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 => coordMat.colum1.XYZ;
-
-        public override vec3d Z_axis => coordMat.colum2.XYZ;
     }
 }