daily update on 20230227 by nitload youmu

源代码/.Net/StgSharp/Vector/Vec3D.cs

@@ -90,6 +90,14 @@ namespace StgSharp.Math
                 );
         }
 
+        public static float operator *(Vec3D vec1, Vec3D vec2)
+        {
+            return 
+                vec1.X * vec2.X
+                + vec1.Y + vec2.Y
+                + vec1.Z + vec2.Z;
+        }
+
         public static Vec3D operator *(Vec3D vec, float x)
         {
             return new Vec3D(
@@ -107,6 +115,5 @@ namespace StgSharp.Math
                 vec.Z / x
                 );
         }
-
     }
 }