2nd update on 20230415 by nitload youmu

源代码/StgSharp/Geometries/Rectangle.cs

@@ -1,25 +1,27 @@
-using StgSharp.Math;
+using StgSharp.Control;
+using StgSharp.Linear;
+using StgSharp.Math;
 using System;
 using System.Collections.Generic;
 using System.Text;
 
 namespace StgSharp.Geometries
 {
-    public class Rectangle : IGeometry
+    public class Rectangle : IPlainGeometry
     {
         internal Point _basePoint;
         internal Point _center;
-        internal Point _centerToCorner1;
-        internal Point _centerToCorner2;
+        internal Point _vertex1;
+        internal Point _vertex2;
         internal RenderMode _renderMode;
         internal readonly uint bornTick;
 
         public override sealed Point BasePoint => _basePoint;
         public override sealed Point RefPoint=>_center;
 
-        public override sealed Point RefVec01 => _centerToCorner1;
+        public override sealed Point RefVec01 => _vertex1;
 
-        public override sealed Point RefVec02 => _centerToCorner2;
+        public override sealed Point RefVec02 => _vertex2;
 
         public override RenderMode renderMode => _renderMode;
 
@@ -75,7 +77,7 @@ namespace StgSharp.Geometries
         /// <param name="tick">当前游戏刻</param>
         internal override void CalcVec02(vec3d vec, uint tick)
         {
-            _centerToCorner1._position = vec + UpdateCTC1(tick);
+            _vertex1._position = vec + UpdateCTC1(tick);
         }
 
         /// <summary>
@@ -87,9 +89,9 @@ namespace StgSharp.Geometries
         /// <exception cref="ArgumentException">计算出的第二条对角线长与第一条不相等</exception>
         internal override void CalcVec03(vec3d vec, uint tick)
         {
-            _centerToCorner2._position = vec + UpdateCTC2(tick);
-            if (_centerToCorner1._position.GetLength() 
-                == _centerToCorner2._position.GetLength())
+            _vertex2._position = vec + UpdateCTC2(tick);
+            if (_vertex1._position.GetLength() 
+                == _vertex2._position.GetLength())
             {
                 throw new ArgumentException("Cannot form a triangle, " +
                     "two crossing lines are not equal!");
@@ -114,7 +116,49 @@ namespace StgSharp.Geometries
 
         public override Line[] GetAllSides()
         {
-            throw new NotImplementedException();
+
+            Line[] sides = new Line[4]
+                {
+                    new Line(GameTimeLine.tickCounter),
+                    new Line(GameTimeLine.tickCounter),
+                    new Line(GameTimeLine.tickCounter),
+                    new Line(GameTimeLine.tickCounter),
+                };
+
+
+            sides[0]._basePoint = this._vertex1;
+            sides[0]._beginPoint = this._vertex1;
+            sides[0]._endPoint = this._vertex2;
+
+            sides[1]._basePoint = this._vertex2;
+            sides[1]._beginPoint = this._vertex2;
+            sides[1]._endPoint = new Point() { _position = GetVertex3(GameTimeLine.tickCounter) };
+            sides[1].movEnd += this.GetVertex3;
+
+            sides[2]._basePoint = sides[1]._endPoint;
+            sides[2]._beginPoint = sides[2]._basePoint;
+            sides[2]._endPoint = new Point() { _position = this.GetVertex4(GameTimeLine.tickCounter) };
+            sides[2].movEnd += this.GetVertex4;
+
+            sides[3]._beginPoint = sides[2]._endPoint;
+            sides[3]._endPoint = this._vertex1;
+
+            return sides;
+        }
+
+        public override Plain GetPlain()
+        {
+            return new Plain(_vertex1._position, );
+        }
+
+        protected vec3d GetVertex3(Counter<uint> tick)
+        {
+            return 2 * this._center._position - this._vertex1._position;
+        }
+
+        protected vec3d GetVertex4(Counter<uint> tick)
+        {
+            return 2 * this._center._position - this._vertex2._position;
         }
     }
 }