/// Bottom row of the matrix.
/// </summary>
public Vector4 Row3;
-
+
/// <summary>
/// The identity matrix.
/// </summary>
/// Gets or sets the value at row 4, column 4 of this instance.
/// </summary>
public float M44 { get { return Row3.W; } set { Row3.W = value; } }
-
+
/// <summary>
/// Gets or sets the values along the main diagonal of the matrix.
/// </summary>
#endregion
#region Static
-
+
#region CreateFromAxisAngle
-
+
/// <summary>
/// Build a rotation matrix from the specified axis/angle rotation.
/// </summary>
result.Row2.W = 0;
result.Row3 = Vector4.UnitW;
}
-
+
/// <summary>
/// Build a rotation matrix from the specified axis/angle rotation.
/// </summary>
CreateFromAxisAngle(axis, angle, out result);
return result;
}
-
+
#endregion
#region CreateFromQuaternion
}
#endregion
-
+
#region CreatePerspectiveFieldOfView
-
+
/// <summary>
/// Creates a perspective projection matrix.
/// </summary>
throw new ArgumentOutOfRangeException("zNear");
if (zFar <= 0)
throw new ArgumentOutOfRangeException("zFar");
-
+
float yMax = zNear * (float)System.Math.Tan(0.5f * fovy);
float yMin = -yMax;
float xMin = yMin * aspect;
CreatePerspectiveOffCenter(xMin, xMax, yMin, yMax, zNear, zFar, out result);
}
-
+
/// <summary>
/// Creates a perspective projection matrix.
/// </summary>
CreatePerspectiveFieldOfView(fovy, aspect, zNear, zFar, out result);
return result;
}
-
+
#endregion
-
+
#region CreatePerspectiveOffCenter
-
+
/// <summary>
/// Creates an perspective projection matrix.
/// </summary>
throw new ArgumentOutOfRangeException("zFar");
if (zNear >= zFar)
throw new ArgumentOutOfRangeException("zNear");
-
+
float x = (2.0f * zNear) / (right - left);
float y = (2.0f * zNear) / (top - bottom);
float a = (right + left) / (right - left);
result.Row3.Z = d;
result.Row3.W = 0;
}
-
+
/// <summary>
/// Creates an perspective projection matrix.
/// </summary>
#endregion
- #region Obsolete Functions
-
- #region Translation Functions
-
- /// <summary>
- /// Builds a translation matrix.
- /// </summary>
- /// <param name="trans">The translation vector.</param>
- /// <returns>A new Matrix4 instance.</returns>
- [Obsolete("Use CreateTranslation instead.")]
- public static Matrix4 Translation(Vector3 trans)
- {
- return CreateTranslation(trans);
- }
-
- /// <summary>
- /// Build a translation matrix with the given translation
- /// </summary>
- /// <param name="x">X translation</param>
- /// <param name="y">Y translation</param>
- /// <param name="z">Z translation</param>
- /// <returns>A Translation matrix</returns>
- [Obsolete("Use CreateTranslation instead.")]
- public static Matrix4 Translation(float x, float y, float z)
- {
- return CreateTranslation(x, y, z);
- }
-
- #endregion
-
- #region Rotation Functions
-
- /// <summary>
- /// Build a rotation matrix that rotates about the x-axis
- /// </summary>
- /// <param name="angle">angle in radians to rotate counter-clockwise around the x-axis</param>
- /// <returns>A rotation matrix</returns>
- [Obsolete("Use CreateRotationX instead.")]
- public static Matrix4 RotateX(float angle)
- {
- return CreateRotationX(angle);
- }
-
- /// <summary>
- /// Build a rotation matrix that rotates about the y-axis
- /// </summary>
- /// <param name="angle">angle in radians to rotate counter-clockwise around the y-axis</param>
- /// <returns>A rotation matrix</returns>
- [Obsolete("Use CreateRotationY instead.")]
- public static Matrix4 RotateY(float angle)
- {
- return CreateRotationY(angle);
- }
-
- /// <summary>
- /// Build a rotation matrix that rotates about the z-axis
- /// </summary>
- /// <param name="angle">angle in radians to rotate counter-clockwise around the z-axis</param>
- /// <returns>A rotation matrix</returns>
- [Obsolete("Use CreateRotationZ instead.")]
- public static Matrix4 RotateZ(float angle)
- {
- return CreateRotationZ(angle);
- }
-
- /// <summary>
- /// Build a rotation matrix to rotate about the given axis
- /// </summary>
- /// <param name="axis">the axis to rotate about</param>
- /// <param name="angle">angle in radians to rotate counter-clockwise (looking in the direction of the given axis)</param>
- /// <returns>A rotation matrix</returns>
- [Obsolete("Use CreateFromAxisAngle instead.")]
- public static Matrix4 Rotate(Vector3 axis, float angle)
- {
- return CreateFromAxisAngle(axis, angle);
- }
-
- /// <summary>
- /// Build a rotation matrix from a quaternion
- /// </summary>
- /// <param name="q">the quaternion</param>
- /// <returns>A rotation matrix</returns>
- [Obsolete("Use CreateFromQuaternion instead.")]
- public static Matrix4 Rotate(Quaternion q)
- {
- return CreateFromQuaternion(q);
- }
-
- #endregion
-
- #region Scale Functions
-
- /// <summary>
- /// Build a scaling matrix
- /// </summary>
- /// <param name="scale">Single scale factor for x,y and z axes</param>
- /// <returns>A scaling matrix</returns>
- [Obsolete("Use CreateScale instead.")]
- public static Matrix4 Scale(float scale)
- {
- return Scale(scale, scale, scale);
- }
-
- /// <summary>
- /// Build a scaling matrix
- /// </summary>
- /// <param name="scale">Scale factors for x,y and z axes</param>
- /// <returns>A scaling matrix</returns>
- [Obsolete("Use CreateScale instead.")]
- public static Matrix4 Scale(Vector3 scale)
- {
- return Scale(scale.X, scale.Y, scale.Z);
- }
-
- /// <summary>
- /// Build a scaling matrix
- /// </summary>
- /// <param name="x">Scale factor for x-axis</param>
- /// <param name="y">Scale factor for y-axis</param>
- /// <param name="z">Scale factor for z-axis</param>
- /// <returns>A scaling matrix</returns>
- [Obsolete("Use CreateScale instead.")]
- public static Matrix4 Scale(float x, float y, float z)
- {
- Matrix4 result;
- result.Row0 = Vector4.UnitX * x;
- result.Row1 = Vector4.UnitY * y;
- result.Row2 = Vector4.UnitZ * z;
- result.Row3 = Vector4.UnitW;
- return result;
- }
-
- #endregion
-
- #region Camera Helper Functions
-
- /// <summary>
- /// Build a projection matrix
- /// </summary>
- /// <param name="left">Left edge of the view frustum</param>
- /// <param name="right">Right edge of the view frustum</param>
- /// <param name="bottom">Bottom edge of the view frustum</param>
- /// <param name="top">Top edge of the view frustum</param>
- /// <param name="near">Distance to the near clip plane</param>
- /// <param name="far">Distance to the far clip plane</param>
- /// <returns>A projection matrix that transforms camera space to raster space</returns>
- [Obsolete("Use CreatePerspectiveOffCenter instead.")]
- public static Matrix4 Frustum(float left, float right, float bottom, float top, float near, float far)
- {
- float invRL = 1.0f / (right - left);
- float invTB = 1.0f / (top - bottom);
- float invFN = 1.0f / (far - near);
- return new Matrix4(new Vector4(2.0f * near * invRL, 0.0f, 0.0f, 0.0f),
- new Vector4(0.0f, 2.0f * near * invTB, 0.0f, 0.0f),
- new Vector4((right + left) * invRL, (top + bottom) * invTB, -(far + near) * invFN, -1.0f),
- new Vector4(0.0f, 0.0f, -2.0f * far * near * invFN, 0.0f));
- }
-
- /// <summary>
- /// Build a projection matrix
- /// </summary>
- /// <param name="fovy">Angle of the field of view in the y direction (in radians)</param>
- /// <param name="aspect">Aspect ratio of the view (width / height)</param>
- /// <param name="near">Distance to the near clip plane</param>
- /// <param name="far">Distance to the far clip plane</param>
- /// <returns>A projection matrix that transforms camera space to raster space</returns>
- [Obsolete("Use CreatePerspectiveFieldOfView instead.")]
- public static Matrix4 Perspective(float fovy, float aspect, float near, float far)
- {
- float yMax = near * (float)System.Math.Tan(0.5f * fovy);
- float yMin = -yMax;
- float xMin = yMin * aspect;
- float xMax = yMax * aspect;
-
- return Frustum(xMin, xMax, yMin, yMax, near, far);
- }
-
- #endregion
-
- #endregion
-
#region Camera Helper Functions
/// <summary>
int[] pivotIdx = { -1, -1, -1, -1 };
// convert the matrix to an array for easy looping
- float[,] inverse = {{mat.Row0.X, mat.Row0.Y, mat.Row0.Z, mat.Row0.W},
- {mat.Row1.X, mat.Row1.Y, mat.Row1.Z, mat.Row1.W},
- {mat.Row2.X, mat.Row2.Y, mat.Row2.Z, mat.Row2.W},
+ float[,] inverse = {{mat.Row0.X, mat.Row0.Y, mat.Row0.Z, mat.Row0.W},
+ {mat.Row1.X, mat.Row1.Y, mat.Row1.Z, mat.Row1.W},
+ {mat.Row2.X, mat.Row2.Y, mat.Row2.Z, mat.Row2.W},
{mat.Row3.X, mat.Row3.Y, mat.Row3.Z, mat.Row3.W} };
int icol = 0;
int irow = 0;
/// Bottom row of the matrix
/// </summary>
public Vector4d Row3;
-
+
/// <summary>
/// The identity matrix
/// </summary>
CreateFromQuaternion(ref q, out result);
return result;
}
-
-
- /// <summary>
- /// Build a rotation matrix from the specified quaternion.
- /// </summary>
- /// <param name="q">Quaternion to translate.</param>
- /// <param name="m">Matrix result.</param>
- [Obsolete("Use double-precision overload instead")]
- public static void CreateFromQuaternion(ref Quaternion q,ref Matrix4 m)
- {
- m = Matrix4.Identity;
-
- float X = q.X;
- float Y = q.Y;
- float Z = q.Z;
- float W = q.W;
-
- float xx = X * X;
- float xy = X * Y;
- float xz = X * Z;
- float xw = X * W;
- float yy = Y * Y;
- float yz = Y * Z;
- float yw = Y * W;
- float zz = Z * Z;
- float zw = Z * W;
-
- m.M11 = 1 - 2 * (yy + zz);
- m.M21 = 2 * (xy - zw);
- m.M31 = 2 * (xz + yw);
- m.M12 = 2 * (xy + zw);
- m.M22 = 1 - 2 * (xx + zz);
- m.M32 = 2 * (yz - xw);
- m.M13 = 2 * (xz - yw);
- m.M23 = 2 * (yz + xw);
- m.M33 = 1 - 2 * (xx + yy);
- }
-
- /// <summary>
- /// Build a rotation matrix from the specified quaternion.
- /// </summary>
- /// <param name="q">Quaternion to translate.</param>
- /// <returns>A matrix instance.</returns>
- [Obsolete("Use double-precision overload instead")]
- public static Matrix4 CreateFromQuaternion(ref Quaternion q)
- {
- Matrix4 result = Matrix4.Identity;
-
- float X = q.X;
- float Y = q.Y;
- float Z = q.Z;
- float W = q.W;
-
- float xx = X * X;
- float xy = X * Y;
- float xz = X * Z;
- float xw = X * W;
- float yy = Y * Y;
- float yz = Y * Z;
- float yw = Y * W;
- float zz = Z * Z;
- float zw = Z * W;
-
- result.M11 = 1 - 2 * (yy + zz);
- result.M21 = 2 * (xy - zw);
- result.M31 = 2 * (xz + yw);
- result.M12 = 2 * (xy + zw);
- result.M22 = 1 - 2 * (xx + zz);
- result.M32 = 2 * (yz - xw);
- result.M13 = 2 * (xz - yw);
- result.M23 = 2 * (yz + xw);
- result.M33 = 1 - 2 * (xx + yy);
- return result;
- }
-
- #endregion
-
- #region Obsolete Functions
-
- #region Translation Functions
-
- /// <summary>
- /// Build a translation matrix with the given translation
- /// </summary>
- /// <param name="trans">The vector to translate along</param>
- /// <returns>A Translation matrix</returns>
- [Obsolete("Use CreateTranslation instead.")]
- public static Matrix4d Translation(Vector3d trans)
- {
- return Translation(trans.X, trans.Y, trans.Z);
- }
-
- /// <summary>
- /// Build a translation matrix with the given translation
- /// </summary>
- /// <param name="x">X translation</param>
- /// <param name="y">Y translation</param>
- /// <param name="z">Z translation</param>
- /// <returns>A Translation matrix</returns>
- [Obsolete("Use CreateTranslation instead.")]
- public static Matrix4d Translation(double x, double y, double z)
- {
- Matrix4d result = Identity;
- result.Row3 = new Vector4d(x, y, z, 1.0);
- return result;
- }
-
- #endregion
#endregion
int[] pivotIdx = { -1, -1, -1, -1 };
// convert the matrix to an array for easy looping
- double[,] inverse = {{mat.Row0.X, mat.Row0.Y, mat.Row0.Z, mat.Row0.W},
- {mat.Row1.X, mat.Row1.Y, mat.Row1.Z, mat.Row1.W},
- {mat.Row2.X, mat.Row2.Y, mat.Row2.Z, mat.Row2.W},
+ double[,] inverse = {{mat.Row0.X, mat.Row0.Y, mat.Row0.Z, mat.Row0.W},
+ {mat.Row1.X, mat.Row1.Y, mat.Row1.Z, mat.Row1.W},
+ {mat.Row2.X, mat.Row2.Y, mat.Row2.Z, mat.Row2.W},
{mat.Row3.X, mat.Row3.Y, mat.Row3.Z, mat.Row3.W} };
int icol = 0;
int irow = 0;
projects / platform / core / csapi / opentk.git / commitdiff