From 2a3c79df83e800d5dfe75a1a3b140ed81da2b1d6 Mon Sep 17 00:00:00 2001
From: Sean Dague
Date: Mon, 16 Jul 2007 15:40:11 +0000
Subject: changed to native line ending encoding

---
 .../ModifiedBulletX/MonoXnaCompactMaths/Matrix.cs  | 1366 ++++++++++----------
 1 file changed, 683 insertions(+), 683 deletions(-)

(limited to 'libraries/ModifiedBulletX/MonoXnaCompactMaths/Matrix.cs')

diff --git a/libraries/ModifiedBulletX/MonoXnaCompactMaths/Matrix.cs b/libraries/ModifiedBulletX/MonoXnaCompactMaths/Matrix.cs
index a104d89..22842ca 100644
--- a/libraries/ModifiedBulletX/MonoXnaCompactMaths/Matrix.cs
+++ b/libraries/ModifiedBulletX/MonoXnaCompactMaths/Matrix.cs
@@ -1,683 +1,683 @@
-#region License
-/*
-MIT License
-Copyright © 2006 The Mono.Xna Team
-
-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.
-*/
-#endregion License
-
-using System;
-using System.ComponentModel;
-using System.Runtime.InteropServices;
-
-namespace MonoXnaCompactMaths
-{
-    [Serializable]
-    [StructLayout(LayoutKind.Sequential)]
-	//[TypeConverter(typeof(MatrixConverter))]
-    public struct Matrix : IEquatable<Matrix>
-    {
-        #region Public Constructors
-        
-        public Matrix(float m11, float m12, float m13, float m14, float m21, float m22, float m23, float m24, float m31,
-                      float m32, float m33, float m34, float m41, float m42, float m43, float m44)
-        {
-            this.M11 = m11;
-            this.M12 = m12;
-            this.M13 = m13;
-            this.M14 = m14;
-            this.M21 = m21;
-            this.M22 = m22;
-            this.M23 = m23;
-            this.M24 = m24;
-            this.M31 = m31;
-            this.M32 = m32;
-            this.M33 = m33;
-            this.M34 = m34;
-            this.M41 = m41;
-            this.M42 = m42;
-            this.M43 = m43;
-            this.M44 = m44;
-        }
-
-        #endregion Public Constructors
-
-
-        #region Public Fields
-
-        public float M11;
-        public float M12;
-        public float M13;
-        public float M14;
-        public float M21;
-        public float M22;
-        public float M23;
-        public float M24;
-        public float M31;
-        public float M32;
-        public float M33;
-        public float M34;
-        public float M41;
-        public float M42;
-        public float M43;
-        public float M44;
-
-        #endregion Public Fields
-
-
-        #region Private Members
-        private static Matrix identity = new Matrix(1f, 0f, 0f, 0f, 0f, 1f, 0f, 0f, 0f, 0f, 1f, 0f, 0f, 0f, 0f, 1f);
-        #endregion Private Members
-
-
-        #region Public Properties
-        
-        public Vector3 Backward
-        {
-            get
-            {
-                return new Vector3(this.M31, this.M32, this.M33);
-            }
-            set
-            {
-                this.M31 = value.X;
-                this.M32 = value.Y;
-                this.M33 = value.Z;
-            }
-        }
-
-        
-        public Vector3 Down
-        {
-            get
-            {
-                return new Vector3(-this.M21, -this.M22, -this.M23);
-            }
-            set
-            {
-                this.M21 = -value.X;
-                this.M22 = -value.Y;
-                this.M23 = -value.Z;
-            }
-        }
-
-        
-        public Vector3 Forward
-        {
-            get
-            {
-                return new Vector3(-this.M31, -this.M32, -this.M33);
-            }
-            set
-            {
-                this.M31 = -value.X;
-                this.M32 = -value.Y;
-                this.M33 = -value.Z;
-            }
-        }
-
-        
-        public static Matrix Identity
-        {
-            get { return identity; }
-        }
-
-        
-        public Vector3 Left
-        {
-            get
-            {
-                return new Vector3(-this.M11, -this.M12, -this.M13);
-            }
-            set
-            {
-                this.M11 = -value.X;
-                this.M12 = -value.Y;
-                this.M13 = -value.Z;
-            }
-        }
-
-        
-        public Vector3 Right
-        {
-            get
-            {
-                return new Vector3(this.M11, this.M12, this.M13);
-            }
-            set
-            {
-                this.M11 = value.X;
-                this.M12 = value.Y;
-                this.M13 = value.Z;
-            }
-        }
-
-        
-        public Vector3 Translation
-        {
-            get
-            {
-                return new Vector3(this.M41, this.M42, this.M43);
-            }
-            set
-            {
-                this.M41 = value.X;
-                this.M42 = value.Y;
-                this.M43 = value.Z;
-            }
-        }
-
-        
-        public Vector3 Up
-        {
-            get
-            {
-                return new Vector3(this.M21, this.M22, this.M23);
-            }
-            set
-            {
-                this.M21 = value.X;
-                this.M22 = value.Y;
-                this.M23 = value.Z;
-            }
-        }
-        #endregion Public Properties
-
-
-        #region Public Methods
-
-        public static Matrix Add(Matrix matrix1, Matrix matrix2)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void Add(ref Matrix matrix1, ref Matrix matrix2, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-        
-        public static Matrix CreateBillboard(Vector3 objectPosition, Vector3 cameraPosition,
-            Vector3 cameraUpVector, Nullable<Vector3> cameraForwardVector)
-        {
-            throw new NotImplementedException();
-        }
-
-        
-        public static void CreateBillboard(ref Vector3 objectPosition, ref Vector3 cameraPosition,
-            ref Vector3 cameraUpVector, Vector3? cameraForwardVector, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-        
-        public static Matrix CreateConstrainedBillboard(Vector3 objectPosition, Vector3 cameraPosition,
-            Vector3 rotateAxis, Nullable<Vector3> cameraForwardVector, Nullable<Vector3> objectForwardVector)
-        {
-            throw new NotImplementedException();
-        }
-
-        
-        public static void CreateConstrainedBillboard(ref Vector3 objectPosition, ref Vector3 cameraPosition,
-            ref Vector3 rotateAxis, Vector3? cameraForwardVector, Vector3? objectForwardVector, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateFromAxisAngle(Vector3 axis, float angle)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreateFromAxisAngle(ref Vector3 axis, float angle, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateFromQuaternion(Quaternion quaternion)
-        {
-            //---
-            //http://lists.ximian.com/pipermail/mono-patches/2006-December/084667.html
-            float xx = quaternion.X * quaternion.X;
-            float xy = quaternion.X * quaternion.Y;
-            float xw = quaternion.X * quaternion.W;
-            float yy = quaternion.Y * quaternion.Y;
-            float yw = quaternion.Y * quaternion.W;
-            float yz = quaternion.Y * quaternion.Z;
-            float zx = quaternion.Z * quaternion.X;
-            float zw = quaternion.Z * quaternion.W;
-            float zz = quaternion.Z * quaternion.Z;
-            return new Matrix(1f - (2f * (yy + zz)), 2f * (xy + zw), 2f * (zx - yw), 0f, 2f * (xy - zw),
-                            1f - (2f * (zz + xx)), 2f * (yz + xw), 0f, 2f * (zx + yw), 2f * (yz - xw),
-                            1f - (2f * (yy + xx)), 0f, 0f, 0f, 0f, 1f);
-            //throw new NotImplementedException();
-        }
-
-
-        public static void CreateFromQuaternion(ref Quaternion quaternion, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateLookAt(Vector3 cameraPosition, Vector3 cameraTarget, Vector3 cameraUpVector)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreateLookAt(ref Vector3 cameraPosition, ref Vector3 cameraTarget, ref Vector3 cameraUpVector, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateOrthographic(float width, float height, float zNearPlane, float zFarPlane)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreateOrthographic(float width, float height, float zNearPlane, float zFarPlane, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateOrthographicOffCenter(float left, float right, float bottom, float top, float zNearPlane, float zFarPlane)
-        {
-            throw new NotImplementedException();
-        }
-
-        
-        public static void CreateOrthographicOffCenter(float left, float right, float bottom, float top,
-            float zNearPlane, float zFarPlane, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreatePerspective(float width, float height, float zNearPlane, float zFarPlane)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreatePerspective(float width, float height, float zNearPlane, float zFarPlane, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreatePerspectiveFieldOfView(float fieldOfView, float aspectRatio, float zNearPlane, float zFarPlane)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreatePerspectiveFieldOfView(float fieldOfView, float aspectRatio, float nearPlaneDistance, float farPlaneDistance, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreatePerspectiveOffCenter(float left, float right, float bottom, float top, float zNearPlane, float zFarPlane)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreatePerspectiveOffCenter(float left, float right, float bottom, float top, float nearPlaneDistance, float farPlaneDistance, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateRotationX(float radians)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreateRotationX(float radians, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateRotationY(float radians)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreateRotationY(float radians, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateRotationZ(float radians)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreateRotationZ(float radians, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateScale(float scale)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreateScale(float scale, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateScale(float xScale, float yScale, float zScale)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreateScale(float xScale, float yScale, float zScale, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateScale(Vector3 scales)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreateScale(ref Vector3 scales, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateTranslation(float xPosition, float yPosition, float zPosition)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreateTranslation(ref Vector3 position, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix CreateTranslation(Vector3 position)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void CreateTranslation(float xPosition, float yPosition, float zPosition, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public float Determinant()
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix Divide(Matrix matrix1, Matrix matrix2)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void Divide(ref Matrix matrix1, ref Matrix matrix2, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix Divide(Matrix matrix1, float divider)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void Divide(ref Matrix matrix1, float divider, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public bool Equals(Matrix other)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public override bool Equals(object obj)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public override int GetHashCode()
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix Invert(Matrix matrix)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void Invert(ref Matrix matrix, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix Lerp(Matrix matrix1, Matrix matrix2, float amount)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void Lerp(ref Matrix matrix1, ref Matrix matrix2, float amount, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-        public static Matrix Multiply(Matrix matrix1, Matrix matrix2)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void Multiply(ref Matrix matrix1, ref Matrix matrix2, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix Multiply(Matrix matrix1, float factor)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void Multiply(ref Matrix matrix1, float factor, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix Negate(Matrix matrix)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void Negate(ref Matrix matrix, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix operator +(Matrix matrix1, Matrix matrix2)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix operator /(Matrix matrix1, Matrix matrix2)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix operator /(Matrix matrix1, float divider)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static bool operator ==(Matrix matrix1, Matrix matrix2)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static bool operator !=(Matrix matrix1, Matrix matrix2)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix operator *(Matrix matrix1, Matrix matrix2)
-        {
-            //---
-            float[, ] arrayMatrix1 = new float[4, 4];
-            float[, ] arrayMatrix2 = new float[4, 4];
-            float[, ] arrayMatrixProduct = new float[4, 4];
-            arrayMatrix1[0, 0] = matrix1.M11; arrayMatrix1[0, 1] = matrix1.M12; arrayMatrix1[0, 2] = matrix1.M13; arrayMatrix1[0, 3] = matrix1.M14;
-            arrayMatrix1[1, 0] = matrix1.M21; arrayMatrix1[1, 1] = matrix1.M22; arrayMatrix1[1, 2] = matrix1.M23; arrayMatrix1[1, 3] = matrix1.M24;
-            arrayMatrix1[2, 0] = matrix1.M31; arrayMatrix1[2, 1] = matrix1.M32; arrayMatrix1[2, 2] = matrix1.M33; arrayMatrix1[2, 3] = matrix1.M34;
-            arrayMatrix1[3, 0] = matrix1.M41; arrayMatrix1[3, 1] = matrix1.M42; arrayMatrix1[3, 2] = matrix1.M43; arrayMatrix1[3, 3] = matrix1.M44;
-
-            arrayMatrix2[0, 0] = matrix2.M11; arrayMatrix2[0, 1] = matrix2.M12; arrayMatrix2[0, 2] = matrix2.M13; arrayMatrix2[0, 3] = matrix2.M14;
-            arrayMatrix2[1, 0] = matrix2.M21; arrayMatrix2[1, 1] = matrix2.M22; arrayMatrix2[1, 2] = matrix2.M23; arrayMatrix2[1, 3] = matrix2.M24;
-            arrayMatrix2[2, 0] = matrix2.M31; arrayMatrix2[2, 1] = matrix2.M32; arrayMatrix2[2, 2] = matrix2.M33; arrayMatrix2[2, 3] = matrix2.M34;
-            arrayMatrix2[3, 0] = matrix2.M41; arrayMatrix2[3, 1] = matrix2.M42; arrayMatrix2[3, 2] = matrix2.M43; arrayMatrix2[3, 3] = matrix2.M44;
-
-            int n = 4;
-            for (int i = 0; i < n; i++)
-            {
-                for (int j = 0; j < n; j++)
-                {
-                    // (AB)[i,j] = Sum(k=0; k < 4; k++) { A[i,k] * B[k, j] }
-                    for (int k = 0; k < n; k++)
-                    {
-                        arrayMatrixProduct[i, j] += arrayMatrix1[i, k] * arrayMatrix2[k, j];
-                    }
-                }
-            }
-            return new Matrix(  arrayMatrixProduct[0, 0], arrayMatrixProduct[0, 1], arrayMatrixProduct[0, 2], arrayMatrixProduct[0, 3],
-                                arrayMatrixProduct[1, 0], arrayMatrixProduct[1, 1], arrayMatrixProduct[1, 2], arrayMatrixProduct[1, 3],
-                                arrayMatrixProduct[2, 0], arrayMatrixProduct[2, 1], arrayMatrixProduct[2, 2], arrayMatrixProduct[2, 3],
-                                arrayMatrixProduct[3, 1], arrayMatrixProduct[3, 1], arrayMatrixProduct[3, 2], arrayMatrixProduct[3, 3]);
-            //---
-            //throw new NotImplementedException();
-        }
-
-
-        public static Matrix operator *(Matrix matrix, float scaleFactor)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix operator -(Matrix matrix1, Matrix matrix2)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix operator -(Matrix matrix1)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix Subtract(Matrix matrix1, Matrix matrix2)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static void Subtract(ref Matrix matrix1, ref Matrix matrix2, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public override string ToString()
-        {
-            throw new NotImplementedException();
-        }
-
-
-        public static Matrix Transpose(Matrix matrix)
-        {
-            //---
-            return new Matrix(  matrix.M11, matrix.M21, matrix.M31, matrix.M41,
-                                matrix.M12, matrix.M22, matrix.M32, matrix.M42,
-                                matrix.M13, matrix.M23, matrix.M33, matrix.M43,
-                                matrix.M14, matrix.M24, matrix.M34, matrix.M44);
-            //---
-            //throw new NotImplementedException();
-        }
-
-        
-        public static void Transpose(ref Matrix matrix, out Matrix result)
-        {
-            throw new NotImplementedException();
-        }
-        #endregion Public Methods
-    }
-}
+#region License
+/*
+MIT License
+Copyright © 2006 The Mono.Xna Team
+
+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.
+*/
+#endregion License
+
+using System;
+using System.ComponentModel;
+using System.Runtime.InteropServices;
+
+namespace MonoXnaCompactMaths
+{
+    [Serializable]
+    [StructLayout(LayoutKind.Sequential)]
+	//[TypeConverter(typeof(MatrixConverter))]
+    public struct Matrix : IEquatable<Matrix>
+    {
+        #region Public Constructors
+        
+        public Matrix(float m11, float m12, float m13, float m14, float m21, float m22, float m23, float m24, float m31,
+                      float m32, float m33, float m34, float m41, float m42, float m43, float m44)
+        {
+            this.M11 = m11;
+            this.M12 = m12;
+            this.M13 = m13;
+            this.M14 = m14;
+            this.M21 = m21;
+            this.M22 = m22;
+            this.M23 = m23;
+            this.M24 = m24;
+            this.M31 = m31;
+            this.M32 = m32;
+            this.M33 = m33;
+            this.M34 = m34;
+            this.M41 = m41;
+            this.M42 = m42;
+            this.M43 = m43;
+            this.M44 = m44;
+        }
+
+        #endregion Public Constructors
+
+
+        #region Public Fields
+
+        public float M11;
+        public float M12;
+        public float M13;
+        public float M14;
+        public float M21;
+        public float M22;
+        public float M23;
+        public float M24;
+        public float M31;
+        public float M32;
+        public float M33;
+        public float M34;
+        public float M41;
+        public float M42;
+        public float M43;
+        public float M44;
+
+        #endregion Public Fields
+
+
+        #region Private Members
+        private static Matrix identity = new Matrix(1f, 0f, 0f, 0f, 0f, 1f, 0f, 0f, 0f, 0f, 1f, 0f, 0f, 0f, 0f, 1f);
+        #endregion Private Members
+
+
+        #region Public Properties
+        
+        public Vector3 Backward
+        {
+            get
+            {
+                return new Vector3(this.M31, this.M32, this.M33);
+            }
+            set
+            {
+                this.M31 = value.X;
+                this.M32 = value.Y;
+                this.M33 = value.Z;
+            }
+        }
+
+        
+        public Vector3 Down
+        {
+            get
+            {
+                return new Vector3(-this.M21, -this.M22, -this.M23);
+            }
+            set
+            {
+                this.M21 = -value.X;
+                this.M22 = -value.Y;
+                this.M23 = -value.Z;
+            }
+        }
+
+        
+        public Vector3 Forward
+        {
+            get
+            {
+                return new Vector3(-this.M31, -this.M32, -this.M33);
+            }
+            set
+            {
+                this.M31 = -value.X;
+                this.M32 = -value.Y;
+                this.M33 = -value.Z;
+            }
+        }
+
+        
+        public static Matrix Identity
+        {
+            get { return identity; }
+        }
+
+        
+        public Vector3 Left
+        {
+            get
+            {
+                return new Vector3(-this.M11, -this.M12, -this.M13);
+            }
+            set
+            {
+                this.M11 = -value.X;
+                this.M12 = -value.Y;
+                this.M13 = -value.Z;
+            }
+        }
+
+        
+        public Vector3 Right
+        {
+            get
+            {
+                return new Vector3(this.M11, this.M12, this.M13);
+            }
+            set
+            {
+                this.M11 = value.X;
+                this.M12 = value.Y;
+                this.M13 = value.Z;
+            }
+        }
+
+        
+        public Vector3 Translation
+        {
+            get
+            {
+                return new Vector3(this.M41, this.M42, this.M43);
+            }
+            set
+            {
+                this.M41 = value.X;
+                this.M42 = value.Y;
+                this.M43 = value.Z;
+            }
+        }
+
+        
+        public Vector3 Up
+        {
+            get
+            {
+                return new Vector3(this.M21, this.M22, this.M23);
+            }
+            set
+            {
+                this.M21 = value.X;
+                this.M22 = value.Y;
+                this.M23 = value.Z;
+            }
+        }
+        #endregion Public Properties
+
+
+        #region Public Methods
+
+        public static Matrix Add(Matrix matrix1, Matrix matrix2)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void Add(ref Matrix matrix1, ref Matrix matrix2, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+        
+        public static Matrix CreateBillboard(Vector3 objectPosition, Vector3 cameraPosition,
+            Vector3 cameraUpVector, Nullable<Vector3> cameraForwardVector)
+        {
+            throw new NotImplementedException();
+        }
+
+        
+        public static void CreateBillboard(ref Vector3 objectPosition, ref Vector3 cameraPosition,
+            ref Vector3 cameraUpVector, Vector3? cameraForwardVector, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+        
+        public static Matrix CreateConstrainedBillboard(Vector3 objectPosition, Vector3 cameraPosition,
+            Vector3 rotateAxis, Nullable<Vector3> cameraForwardVector, Nullable<Vector3> objectForwardVector)
+        {
+            throw new NotImplementedException();
+        }
+
+        
+        public static void CreateConstrainedBillboard(ref Vector3 objectPosition, ref Vector3 cameraPosition,
+            ref Vector3 rotateAxis, Vector3? cameraForwardVector, Vector3? objectForwardVector, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateFromAxisAngle(Vector3 axis, float angle)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreateFromAxisAngle(ref Vector3 axis, float angle, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateFromQuaternion(Quaternion quaternion)
+        {
+            //---
+            //http://lists.ximian.com/pipermail/mono-patches/2006-December/084667.html
+            float xx = quaternion.X * quaternion.X;
+            float xy = quaternion.X * quaternion.Y;
+            float xw = quaternion.X * quaternion.W;
+            float yy = quaternion.Y * quaternion.Y;
+            float yw = quaternion.Y * quaternion.W;
+            float yz = quaternion.Y * quaternion.Z;
+            float zx = quaternion.Z * quaternion.X;
+            float zw = quaternion.Z * quaternion.W;
+            float zz = quaternion.Z * quaternion.Z;
+            return new Matrix(1f - (2f * (yy + zz)), 2f * (xy + zw), 2f * (zx - yw), 0f, 2f * (xy - zw),
+                            1f - (2f * (zz + xx)), 2f * (yz + xw), 0f, 2f * (zx + yw), 2f * (yz - xw),
+                            1f - (2f * (yy + xx)), 0f, 0f, 0f, 0f, 1f);
+            //throw new NotImplementedException();
+        }
+
+
+        public static void CreateFromQuaternion(ref Quaternion quaternion, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateLookAt(Vector3 cameraPosition, Vector3 cameraTarget, Vector3 cameraUpVector)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreateLookAt(ref Vector3 cameraPosition, ref Vector3 cameraTarget, ref Vector3 cameraUpVector, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateOrthographic(float width, float height, float zNearPlane, float zFarPlane)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreateOrthographic(float width, float height, float zNearPlane, float zFarPlane, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateOrthographicOffCenter(float left, float right, float bottom, float top, float zNearPlane, float zFarPlane)
+        {
+            throw new NotImplementedException();
+        }
+
+        
+        public static void CreateOrthographicOffCenter(float left, float right, float bottom, float top,
+            float zNearPlane, float zFarPlane, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreatePerspective(float width, float height, float zNearPlane, float zFarPlane)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreatePerspective(float width, float height, float zNearPlane, float zFarPlane, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreatePerspectiveFieldOfView(float fieldOfView, float aspectRatio, float zNearPlane, float zFarPlane)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreatePerspectiveFieldOfView(float fieldOfView, float aspectRatio, float nearPlaneDistance, float farPlaneDistance, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreatePerspectiveOffCenter(float left, float right, float bottom, float top, float zNearPlane, float zFarPlane)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreatePerspectiveOffCenter(float left, float right, float bottom, float top, float nearPlaneDistance, float farPlaneDistance, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateRotationX(float radians)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreateRotationX(float radians, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateRotationY(float radians)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreateRotationY(float radians, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateRotationZ(float radians)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreateRotationZ(float radians, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateScale(float scale)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreateScale(float scale, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateScale(float xScale, float yScale, float zScale)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreateScale(float xScale, float yScale, float zScale, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateScale(Vector3 scales)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreateScale(ref Vector3 scales, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateTranslation(float xPosition, float yPosition, float zPosition)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreateTranslation(ref Vector3 position, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix CreateTranslation(Vector3 position)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void CreateTranslation(float xPosition, float yPosition, float zPosition, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public float Determinant()
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix Divide(Matrix matrix1, Matrix matrix2)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void Divide(ref Matrix matrix1, ref Matrix matrix2, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix Divide(Matrix matrix1, float divider)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void Divide(ref Matrix matrix1, float divider, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public bool Equals(Matrix other)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public override bool Equals(object obj)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public override int GetHashCode()
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix Invert(Matrix matrix)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void Invert(ref Matrix matrix, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix Lerp(Matrix matrix1, Matrix matrix2, float amount)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void Lerp(ref Matrix matrix1, ref Matrix matrix2, float amount, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+        public static Matrix Multiply(Matrix matrix1, Matrix matrix2)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void Multiply(ref Matrix matrix1, ref Matrix matrix2, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix Multiply(Matrix matrix1, float factor)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void Multiply(ref Matrix matrix1, float factor, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix Negate(Matrix matrix)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void Negate(ref Matrix matrix, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix operator +(Matrix matrix1, Matrix matrix2)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix operator /(Matrix matrix1, Matrix matrix2)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix operator /(Matrix matrix1, float divider)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static bool operator ==(Matrix matrix1, Matrix matrix2)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static bool operator !=(Matrix matrix1, Matrix matrix2)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix operator *(Matrix matrix1, Matrix matrix2)
+        {
+            //---
+            float[, ] arrayMatrix1 = new float[4, 4];
+            float[, ] arrayMatrix2 = new float[4, 4];
+            float[, ] arrayMatrixProduct = new float[4, 4];
+            arrayMatrix1[0, 0] = matrix1.M11; arrayMatrix1[0, 1] = matrix1.M12; arrayMatrix1[0, 2] = matrix1.M13; arrayMatrix1[0, 3] = matrix1.M14;
+            arrayMatrix1[1, 0] = matrix1.M21; arrayMatrix1[1, 1] = matrix1.M22; arrayMatrix1[1, 2] = matrix1.M23; arrayMatrix1[1, 3] = matrix1.M24;
+            arrayMatrix1[2, 0] = matrix1.M31; arrayMatrix1[2, 1] = matrix1.M32; arrayMatrix1[2, 2] = matrix1.M33; arrayMatrix1[2, 3] = matrix1.M34;
+            arrayMatrix1[3, 0] = matrix1.M41; arrayMatrix1[3, 1] = matrix1.M42; arrayMatrix1[3, 2] = matrix1.M43; arrayMatrix1[3, 3] = matrix1.M44;
+
+            arrayMatrix2[0, 0] = matrix2.M11; arrayMatrix2[0, 1] = matrix2.M12; arrayMatrix2[0, 2] = matrix2.M13; arrayMatrix2[0, 3] = matrix2.M14;
+            arrayMatrix2[1, 0] = matrix2.M21; arrayMatrix2[1, 1] = matrix2.M22; arrayMatrix2[1, 2] = matrix2.M23; arrayMatrix2[1, 3] = matrix2.M24;
+            arrayMatrix2[2, 0] = matrix2.M31; arrayMatrix2[2, 1] = matrix2.M32; arrayMatrix2[2, 2] = matrix2.M33; arrayMatrix2[2, 3] = matrix2.M34;
+            arrayMatrix2[3, 0] = matrix2.M41; arrayMatrix2[3, 1] = matrix2.M42; arrayMatrix2[3, 2] = matrix2.M43; arrayMatrix2[3, 3] = matrix2.M44;
+
+            int n = 4;
+            for (int i = 0; i < n; i++)
+            {
+                for (int j = 0; j < n; j++)
+                {
+                    // (AB)[i,j] = Sum(k=0; k < 4; k++) { A[i,k] * B[k, j] }
+                    for (int k = 0; k < n; k++)
+                    {
+                        arrayMatrixProduct[i, j] += arrayMatrix1[i, k] * arrayMatrix2[k, j];
+                    }
+                }
+            }
+            return new Matrix(  arrayMatrixProduct[0, 0], arrayMatrixProduct[0, 1], arrayMatrixProduct[0, 2], arrayMatrixProduct[0, 3],
+                                arrayMatrixProduct[1, 0], arrayMatrixProduct[1, 1], arrayMatrixProduct[1, 2], arrayMatrixProduct[1, 3],
+                                arrayMatrixProduct[2, 0], arrayMatrixProduct[2, 1], arrayMatrixProduct[2, 2], arrayMatrixProduct[2, 3],
+                                arrayMatrixProduct[3, 1], arrayMatrixProduct[3, 1], arrayMatrixProduct[3, 2], arrayMatrixProduct[3, 3]);
+            //---
+            //throw new NotImplementedException();
+        }
+
+
+        public static Matrix operator *(Matrix matrix, float scaleFactor)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix operator -(Matrix matrix1, Matrix matrix2)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix operator -(Matrix matrix1)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix Subtract(Matrix matrix1, Matrix matrix2)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static void Subtract(ref Matrix matrix1, ref Matrix matrix2, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public override string ToString()
+        {
+            throw new NotImplementedException();
+        }
+
+
+        public static Matrix Transpose(Matrix matrix)
+        {
+            //---
+            return new Matrix(  matrix.M11, matrix.M21, matrix.M31, matrix.M41,
+                                matrix.M12, matrix.M22, matrix.M32, matrix.M42,
+                                matrix.M13, matrix.M23, matrix.M33, matrix.M43,
+                                matrix.M14, matrix.M24, matrix.M34, matrix.M44);
+            //---
+            //throw new NotImplementedException();
+        }
+
+        
+        public static void Transpose(ref Matrix matrix, out Matrix result)
+        {
+            throw new NotImplementedException();
+        }
+        #endregion Public Methods
+    }
+}
-- 
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