add from giga-device, new branch added

2025-08-21 16:51:25 +08:00
commit 43bbc06bbb
1296 changed files with 264186 additions and 0 deletions
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+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="Plain.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.Mathematics;
+
+using System.Numerics;
+
+namespace StgSharp.Geometries
+{
+    public unsafe class Plain
+    {
+
+        internal readonly float d = -1;
+        internal Vec3 _origin;
+
+        internal Vec3 plainParameter;
+        internal Vec3 vec1;
+        internal Vec3 vec2;
+
+        public Plain( Vec3 o, Vec3 v1, Vec3 v2 )
+        {
+            this._origin = o;
+            this.vec1 = v1 - ( v2 * ( v1.Y / v2.Y ) );   //xz
+            this.vec2 = v2 - ( vec1 * ( v2.X / v1.X ) ); //yz
+
+            //|_origin|-k1*|vec1|-k2*|vec2| --> plainParameter.Z；
+            plainParameter.Z = _origin.Z - ( vec1.Z * ( _origin.X / vec1.X ) ) - ( vec2.Z * ( _origin.Y / vec2.Y ) );
+
+            //plainParameter.Z -> plainParameter.X, plainParameter.Y
+            plainParameter.X = vec1.X * ( vec1.Z / plainParameter.Z );
+            plainParameter.Y = vec2.Y * ( vec2.Z / plainParameter.Z );
+
+            plainParameter.X = 1 / plainParameter.X;
+            plainParameter.Y = 1 / plainParameter.Y;
+            plainParameter.Z = 1 / plainParameter.Z;
+        }
+
+        public Plain( Point p1, Point p2, Point p3 )
+        {
+            Vec3 origin = p1.Coord;
+            Vec3 v1 = p2.Coord - origin;
+            Vec3 v2 = p3.Coord - origin;
+
+
+            vec1 = v1 - ( v2 * ( v1.Y / v2.Y ) );   //xz
+            vec2 = v2 - ( vec1 * ( v2.X / v1.X ) ); //yz
+
+            //|_origin|-k1*|vec1|-k2*|vec2| --> plainParameter.Z；
+            plainParameter.Z = origin.Z - ( vec1.Z * ( origin.X / vec1.X ) ) - ( vec2.Z * ( origin.Y / vec2.Y ) );
+
+            //plainParameter.Z --> plainParameter.X, plainParameter.Y
+            plainParameter.X = vec1.X * ( vec1.Z / plainParameter.Z );
+            plainParameter.Y = vec2.Y * ( vec2.Z / plainParameter.Z );
+
+            plainParameter.X = 1 / plainParameter.X;
+            plainParameter.Y = 1 / plainParameter.Y;
+            plainParameter.Z = 1 / plainParameter.Z;
+        }
+
+    }
+}