Fix #1769 and introduce an optional argument to specify a different r…

sources/core/Stride.Core.Mathematics/Int3.cs

@@ -143,16 +143,6 @@ public Int3(int[] values)
             Z = values[2];
         }
 
-        /// <summary>
-        /// Creates a new instance of the <see cref="Int3"/> struct by rounding the X, Y, and Z components of a <see cref="Vector3"/> struct to the nearest integer.
-        /// </summary>
-        public Int3 RoundToInt3(Vector3 value)
-        {
-            X = (int)Math.Round(value.X);
-            Y = (int)Math.Round(value.Y);
-            Z = (int)Math.Round(value.Z);
-        }
-
         /// <summary>
         /// Gets or sets the component at the specified index.
         /// </summary>
@@ -196,16 +186,16 @@ public Int3 RoundToInt3(Vector3 value)
         /// </remarks>
         public int Length()
         {
-            return (int)Math.Sqrt((X * X) + (Y * Y) + (Z * Z));
+            return (int)MathF.Sqrt((X * X) + (Y * Y) + (Z * Z));
         }
 
         /// <summary>
-        /// Calculates the unrounded length of the vector.
+        /// Calculates the untruncated length of the vector.
         /// </summary>
-        /// <returns>The length of the vector unrounded.</returns>
+        /// <returns>The length of the vector untruncated.</returns>
         public float LengthUntruncated() 
         {
-            return Math.Sqrt((X * X) + (Y * Y) + (Z * Z));
+            return (float)MathF.Sqrt((X * X) + (Y * Y) + (Z * Z));
         }
 
         /// <summary>
@@ -551,7 +541,32 @@ public static Int3 Min(Int3 left, Int3 right)
             Min(ref left, ref right, out result);
             return result;
         }
-
+
+        /// <summary>
+        /// Returns a vector containing the rounded values of the specified vector.
+        /// </summary>
+        /// <param name="value">The source vector.</param>
+        /// <param name="result">When the method completes, contains an new vector composed of the rounded values of the specified vector.</param>
+        /// <param name="rounding">The rounding strategy to use.</param>
+        public static void Round(in Vector3 value, out Int3 result, MidpointRounding rounding = default)
+        {
+            result.X = (int)MathF.Round(value.X, rounding);
+            result.Y = (int)MathF.Round(value.Y, rounding);
+            result.Z = (int)MathF.Round(value.Z, rounding);
+        }
+
+        /// <summary>
+        /// Returns a vector containing the rounded values of the specified vector.
+        /// </summary>
+        /// <param name="value">The source vector.</param>
+        /// <param name="rounding">The rounding strategy to use.</param>
+        /// <returns>A vector containing the rounded values of the source vector.</returns>
+        public static Int3 Round(in Vector3 value, MidpointRounding rounding = default)
+        {
+            Round(in value, out var result, rounding);
+            return result;
+        }
+
         /// <summary>
         /// Adds two vectors.
         /// </summary>
@@ -790,14 +805,6 @@ public void Deconstruct(out int x, out int y, out int z)
             y = Y;
             z = Z;
         }
-
-        /// <summary>
-        /// Preforms an implicit conversion from <see cref="Stride.Core.Mathematics.Int3"/> to <see cref="Stride.Core.Mathematics.Vector3"/>.
-        /// </summary>
-        public static implicit operator Vector3(Int3 value)
-        {
-            return new Vector3(value);
-        }
 
 #if WPFInterop
         /// <summary>

sources/core/Stride.Core.Mathematics/Vector3.cs

@@ -143,16 +143,6 @@ public Vector3(float[] values)
             Z = values[2];
         }
 
-        /// <summary>
-        /// Initializes a new instance of the <see cref="Stride.Core.Mathematics.Vector3"/> struct given a <see cref="Stride.Core.Mathematics.Int3"/>.
-        /// </summary>
-        public Vector3(Int3 value)
-        {
-            X = value.X;
-            Y = value.Y;
-            Z = value.Z;
-        }
-
         /// <summary>
         /// Gets a value indicting whether this instance is normalized.
         /// </summary>