/// <summary>
/// Transforms a given vector by a matrix and put the result in a vector.
/// </summary>
/// <param name="matrix">A <see cref="Matrix4F"/> instance.</param>
/// <param name="vector">A <see cref="Vector4F"/> instance.</param>
/// <param name="result">A <see cref="Vector4F"/> instance to hold the result.</param>
public static void Transform(Matrix4F matrix, Vector4F vector, ref Vector4F result)
{
result.X = (matrix.M11 * vector.X) + (matrix.M12 * vector.Y) + (matrix.M13 * vector.Z) + (matrix.M14 * vector.W);
result.Y = (matrix.M21 * vector.X) + (matrix.M22 * vector.Y) + (matrix.M23 * vector.Z) + (matrix.M24 * vector.W);
result.Z = (matrix.M31 * vector.X) + (matrix.M32 * vector.Y) + (matrix.M33 * vector.Z) + (matrix.M34 * vector.W);
result.W = (matrix.M41 * vector.X) + (matrix.M42 * vector.Y) + (matrix.M43 * vector.Z) + (matrix.M44 * vector.W);
}
/// <summary>
/// Transforms a given vector by a matrix and put the result in a vector.
/// </summary>
/// <param name="matrix">A <see cref="Matrix4F"/> instance.</param>
/// <param name="vector">A <see cref="Vector3F"/> instance.</param>
/// <param name="result">A <see cref="Vector3F"/> instance to hold the result.</param>
public static void Transform(Matrix4F matrix, Vector4F vector, ref Vector3F result)
{
result.X = (matrix.M11 * vector.X) + (matrix.M12 * vector.Y) + (matrix.M13 * vector.Z) + matrix.M14;
result.Y = (matrix.M21 * vector.X) + (matrix.M22 * vector.Y) + (matrix.M23 * vector.Z) + matrix.M24;
result.Z = (matrix.M31 * vector.X) + (matrix.M32 * vector.Y) + (matrix.M33 * vector.Z) + matrix.M34;
}
/// <summary>
/// Subtracts a scalar from a matrix and put the result in a third matrix.
/// </summary>
/// <param name="matrix">A <see cref="Matrix4F"/> instance.</param>
/// <param name="scalar">A single-precision floating-point number.</param>
/// <param name="result">A <see cref="Matrix4F"/> instance to hold the result.</param>
public static void Subtract(Matrix4F matrix, float scalar, ref Matrix4F result)
{
result.M11 = matrix.M11 - scalar;
result.M12 = matrix.M12 - scalar;
result.M13 = matrix.M13 - scalar;
result.M14 = matrix.M14 - scalar;
result.M21 = matrix.M21 - scalar;
result.M22 = matrix.M22 - scalar;
result.M23 = matrix.M23 - scalar;
result.M24 = matrix.M24 - scalar;
result.M31 = matrix.M31 - scalar;
result.M32 = matrix.M32 - scalar;
result.M33 = matrix.M33 - scalar;
result.M34 = matrix.M34 - scalar;
result.M41 = matrix.M41 - scalar;
result.M42 = matrix.M42 - scalar;
result.M43 = matrix.M43 - scalar;
result.M44 = matrix.M44 - scalar;
}
/// <summary>
/// Multiplies two matrices and put the result in a third matrix.
/// </summary>
/// <param name="left">A <see cref="Matrix4F"/> instance.</param>
/// <param name="right">A <see cref="Matrix4F"/> instance.</param>
/// <param name="result">A <see cref="Matrix4F"/> instance to hold the result.</param>
public static void Multiply(Matrix4F left, Matrix4F right, ref Matrix4F result)
{
result.M11 = left.M11 * right.M11 + left.M12 * right.M21 + left.M13 * right.M31 + left.M14 * right.M41;
result.M12 = left.M11 * right.M12 + left.M12 * right.M22 + left.M13 * right.M32 + left.M14 * right.M42;
result.M13 = left.M11 * right.M13 + left.M12 * right.M23 + left.M13 * right.M33 + left.M14 * right.M43;
result.M14 = left.M11 * right.M14 + left.M12 * right.M24 + left.M13 * right.M34 + left.M14 * right.M44;
result.M21 = left.M21 * right.M11 + left.M22 * right.M21 + left.M23 * right.M31 + left.M24 * right.M41;
result.M22 = left.M21 * right.M12 + left.M22 * right.M22 + left.M23 * right.M32 + left.M24 * right.M42;
result.M23 = left.M21 * right.M13 + left.M22 * right.M23 + left.M23 * right.M33 + left.M24 * right.M43;
result.M24 = left.M21 * right.M14 + left.M22 * right.M24 + left.M23 * right.M34 + left.M24 * right.M44;
result.M31 = left.M31 * right.M11 + left.M32 * right.M21 + left.M33 * right.M31 + left.M34 * right.M41;
result.M32 = left.M31 * right.M12 + left.M32 * right.M22 + left.M33 * right.M32 + left.M34 * right.M42;
result.M33 = left.M31 * right.M13 + left.M32 * right.M23 + left.M33 * right.M33 + left.M34 * right.M43;
result.M34 = left.M31 * right.M14 + left.M32 * right.M24 + left.M33 * right.M34 + left.M34 * right.M44;
result.M41 = left.M41 * right.M11 + left.M42 * right.M21 + left.M43 * right.M31 + left.M44 * right.M41;
result.M42 = left.M41 * right.M12 + left.M42 * right.M22 + left.M43 * right.M32 + left.M44 * right.M42;
result.M43 = left.M41 * right.M13 + left.M42 * right.M23 + left.M43 * right.M33 + left.M44 * right.M43;
result.M44 = left.M41 * right.M14 + left.M42 * right.M24 + left.M43 * right.M34 + left.M44 * right.M44;
}
/// <summary>
/// Adds a matrix and a scalar and put the result in a third matrix.
/// </summary>
/// <param name="matrix">A <see cref="Matrix4F"/> instance.</param>
/// <param name="scalar">A single-precision floating-point number.</param>
/// <param name="result">A <see cref="Matrix4F"/> instance to hold the result.</param>
public static void Add(Matrix4F matrix, float scalar, ref Matrix4F result)
{
result.M11 = matrix.M11 + scalar;
result.M12 = matrix.M12 + scalar;
result.M13 = matrix.M13 + scalar;
result.M14 = matrix.M14 + scalar;
result.M21 = matrix.M21 + scalar;
result.M22 = matrix.M22 + scalar;
result.M23 = matrix.M23 + scalar;
result.M24 = matrix.M24 + scalar;
result.M31 = matrix.M31 + scalar;
result.M32 = matrix.M32 + scalar;
result.M33 = matrix.M33 + scalar;
result.M34 = matrix.M34 + scalar;
result.M41 = matrix.M41 + scalar;
result.M42 = matrix.M42 + scalar;
result.M43 = matrix.M43 + scalar;
result.M44 = matrix.M44 + scalar;
}
/// <summary>
/// Subtracts a scalar from a matrix.
/// </summary>
/// <param name="matrix">A <see cref="Matrix4F"/> instance.</param>
/// <param name="scalar">A single-precision floating-point number.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the difference.</returns>
public static Matrix4F Subtract(Matrix4F matrix, float scalar)
{
return new Matrix4F(
matrix.M11 - scalar, matrix.M12 - scalar, matrix.M13 - scalar, matrix.M14 - scalar,
matrix.M21 - scalar, matrix.M22 - scalar, matrix.M23 - scalar, matrix.M24 - scalar,
matrix.M31 - scalar, matrix.M32 - scalar, matrix.M33 - scalar, matrix.M34 - scalar,
matrix.M41 - scalar, matrix.M42 - scalar, matrix.M43 - scalar, matrix.M44 - scalar
);
}
/// <summary>
/// Multiplies two matrices.
/// </summary>
/// <param name="left">A <see cref="Matrix4F"/> instance.</param>
/// <param name="right">A <see cref="Matrix4F"/> instance.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the result.</returns>
public static Matrix4F operator *(Matrix4F left, Matrix4F right)
{
return(Matrix4F.Multiply(left, right));;
}
/// <summary>
/// Adds a matrix and a scalar.
/// </summary>
/// <param name="matrix">A <see cref="Matrix4F"/> instance.</param>
/// <param name="scalar">A single-precision floating-point number.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the sum.</returns>
public static Matrix4F Add(Matrix4F matrix, float scalar)
{
return new Matrix4F(
matrix.M11 + scalar, matrix.M12 + scalar, matrix.M13 + scalar, matrix.M14 + scalar,
matrix.M21 + scalar, matrix.M22 + scalar, matrix.M23 + scalar, matrix.M24 + scalar,
matrix.M31 + scalar, matrix.M32 + scalar, matrix.M33 + scalar, matrix.M34 + scalar,
matrix.M41 + scalar, matrix.M42 + scalar, matrix.M43 + scalar, matrix.M44 + scalar
);
}
/// <summary>
/// Subtracts a matrix from a matrix.
/// </summary>
/// <param name="left">A <see cref="Matrix4F"/> instance.</param>
/// <param name="right">A <see cref="Matrix4F"/> instance.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the difference.</returns>
public static Matrix4F operator -(Matrix4F left, Matrix4F right)
{
return(Matrix4F.Subtract(left, right));;
}
/// <summary>
/// Subtracts a scalar from a matrix.
/// </summary>
/// <param name="matrix">A <see cref="Matrix4F"/> instance.</param>
/// <param name="scalar">A single-precision floating-point number.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the difference.</returns>
public static Matrix4F operator -(Matrix4F matrix, float scalar)
{
return(Matrix4F.Subtract(matrix, scalar));
}
/// <summary>
/// Adds a matrix and a scalar.
/// </summary>
/// <param name="matrix">A <see cref="Matrix4F"/> instance.</param>
/// <param name="scalar">A single-precision floating-point number.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the sum.</returns>
public static Matrix4F operator +(float scalar, Matrix4F matrix)
{
return(Matrix4F.Add(matrix, scalar));
}
/// <summary>
/// Adds two matrices.
/// </summary>
/// <param name="left">A <see cref="Matrix4F"/> instance.</param>
/// <param name="right">A <see cref="Matrix4F"/> instance.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the sum.</returns>
public static Matrix4F operator +(Matrix4F left, Matrix4F right)
{
return(Matrix4F.Add(left, right));;
}
/// <summary>
/// Multiplies two matrices.
/// </summary>
/// <param name="a">A <see cref="Matrix4F"/> instance.</param>
/// <param name="b">A <see cref="Matrix4F"/> instance.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the result.</returns>
public static Matrix4F operator*(Matrix4F a, Matrix4F b)
{
return(Matrix4F.Multiply(a, b));
}
/// <summary>
/// Converts the specified string to its <see cref="Matrix4F"/> equivalent.
/// A return value indicates whether the conversion succeeded or failed.
/// </summary>
/// <param name="value">A string representation of a <see cref="Matrix4F"/>.</param>
/// <param name="result">
/// When this method returns, if the conversion succeeded,
/// contains a <see cref="Matrix4F"/> representing the vector specified by <paramref name="value"/>.
/// </param>
/// <returns><see langword="true"/> if value was converted successfully; otherwise, <see langword="false"/>.</returns>
/// <remarks>
/// The string should be in the following form: "4x4..matrix elements..>".<br/>
/// Exmaple : "4x4[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]"
/// </remarks>
public static bool TryParse(string value, out Matrix4F result)
{
Regex r = new Regex(regularExp, RegexOptions.Singleline);
Match m = r.Match(value);
if (m.Success)
{
result = new Matrix4F(
float.Parse(m.Result("${m11}")),
float.Parse(m.Result("${m12}")),
float.Parse(m.Result("${m13}")),
float.Parse(m.Result("${m14}")),
float.Parse(m.Result("${m21}")),
float.Parse(m.Result("${m22}")),
float.Parse(m.Result("${m23}")),
float.Parse(m.Result("${m24}")),
float.Parse(m.Result("${m31}")),
float.Parse(m.Result("${m32}")),
float.Parse(m.Result("${m33}")),
float.Parse(m.Result("${m34}")),
float.Parse(m.Result("${m41}")),
float.Parse(m.Result("${m42}")),
float.Parse(m.Result("${m43}")),
float.Parse(m.Result("${m44}"))
);
return true;
}
result = Matrix4F.Zero;
return false;
}
/// <summary>
/// Transforms a given vector by a matrix.
/// </summary>
/// <param name="matrix">A <see cref="Matrix4F"/> instance.</param>
/// <param name="vector">A <see cref="Vector4F"/> instance.</param>
/// <returns>A new <see cref="Vector4F"/> instance containing the result.</returns>
public static Vector4F operator *(Matrix4F matrix, Vector4F vector)
{
return(Matrix4F.Transform(matrix, vector));
}
/// <summary>
/// Adds two matrices.
/// </summary>
/// <param name="left">A <see cref="Matrix4F"/> instance.</param>
/// <param name="right">A <see cref="Matrix4F"/> instance.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the sum.</returns>
public static Matrix4F Add(Matrix4F left, Matrix4F right)
{
return new Matrix4F(
left.M11 + right.M11, left.M12 + right.M12, left.M13 + right.M13, left.M14 + right.M14,
left.M21 + right.M21, left.M22 + right.M22, left.M23 + right.M23, left.M24 + right.M24,
left.M31 + right.M31, left.M32 + right.M32, left.M33 + right.M33, left.M34 + right.M34,
left.M41 + right.M41, left.M42 + right.M42, left.M43 + right.M43, left.M44 + right.M44
);
}
/// <summary>
/// Adds two matrices.
/// </summary>
/// <param name="a">A <see cref="Matrix4F"/> instance.</param>
/// <param name="b">A <see cref="Matrix4F"/> instance.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the sum.</returns>
public static Matrix4F operator +(Matrix4F a, Matrix4F b)
{
return(Matrix4F.Add(a, b));
}
/// <summary>
/// Adds two matrices and put the result in a third matrix.
/// </summary>
/// <param name="left">A <see cref="Matrix4F"/> instance.</param>
/// <param name="right">A <see cref="Matrix4F"/> instance.</param>
/// <param name="result">A <see cref="Matrix4F"/> instance to hold the result.</param>
public static void Add(Matrix4F left, Matrix4F right, ref Matrix4F result)
{
result.M11 = left.M11 + right.M11;
result.M12 = left.M12 + right.M12;
result.M13 = left.M13 + right.M13;
result.M14 = left.M14 + right.M14;
result.M21 = left.M21 + right.M21;
result.M22 = left.M22 + right.M22;
result.M23 = left.M23 + right.M23;
result.M24 = left.M24 + right.M24;
result.M31 = left.M31 + right.M31;
result.M32 = left.M32 + right.M32;
result.M33 = left.M33 + right.M33;
result.M34 = left.M34 + right.M34;
result.M41 = left.M41 + right.M41;
result.M42 = left.M42 + right.M42;
result.M43 = left.M43 + right.M43;
result.M44 = left.M44 + right.M44;
}
/// <summary>
/// Adds a matrix and a scalar.
/// </summary>
/// <param name="a">A <see cref="Matrix4F"/> instance.</param>
/// <param name="s">A scalar.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the sum.</returns>
public static Matrix4F operator +(float s, Matrix4F a)
{
return(Matrix4F.Add(a, s));
}
/// <summary>
/// Subtracts a matrix from a matrix.
/// </summary>
/// <param name="left">A <see cref="Matrix4F"/> instance to subtract from.</param>
/// <param name="right">A <see cref="Matrix4F"/> instance to subtract.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the difference.</returns>
/// <remarks>result[x][y] = left[x][y] - right[x][y]</remarks>
public static Matrix4F Subtract(Matrix4F left, Matrix4F right)
{
return new Matrix4F(
left.M11 - right.M11, left.M12 - right.M12, left.M13 - right.M13, left.M14 - right.M14,
left.M21 - right.M21, left.M22 - right.M22, left.M23 - right.M23, left.M24 - right.M24,
left.M31 - right.M31, left.M32 - right.M32, left.M33 - right.M33, left.M34 - right.M34,
left.M41 - right.M41, left.M42 - right.M42, left.M43 - right.M43, left.M44 - right.M44
);
}
/// <summary>
/// Subtracts a matrix from a matrix.
/// </summary>
/// <param name="a">A <see cref="Matrix4F"/> instance.</param>
/// <param name="b">A <see cref="Matrix4F"/> instance.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the difference.</returns>
public static Matrix4F operator -(Matrix4F a, Matrix4F b)
{
return(Matrix4F.Subtract(a, b));
}
/// <summary>
/// Subtracts a matrix from a matrix and put the result in a third matrix.
/// </summary>
/// <param name="left">A <see cref="Matrix4F"/> instance to subtract from.</param>
/// <param name="right">A <see cref="Matrix4F"/> instance to subtract.</param>
/// <param name="result">A <see cref="Matrix4F"/> instance to hold the result.</param>
/// <remarks>result[x][y] = left[x][y] - right[x][y]</remarks>
public static void Subtract(Matrix4F left, Matrix4F right, ref Matrix4F result)
{
result.M11 = left.M11 - right.M11;
result.M12 = left.M12 - right.M12;
result.M13 = left.M13 - right.M13;
result.M14 = left.M14 - right.M14;
result.M21 = left.M21 - right.M21;
result.M22 = left.M22 - right.M22;
result.M23 = left.M23 - right.M23;
result.M24 = left.M24 - right.M24;
result.M31 = left.M31 - right.M31;
result.M32 = left.M32 - right.M32;
result.M33 = left.M33 - right.M33;
result.M34 = left.M34 - right.M34;
result.M41 = left.M41 - right.M41;
result.M42 = left.M42 - right.M42;
result.M43 = left.M43 - right.M43;
result.M44 = left.M44 - right.M44;
}
/// <summary>
/// Subtracts a scalar from a matrix.
/// </summary>
/// <param name="a">A <see cref="Matrix4F"/> instance.</param>
/// <param name="s">A <see cref="Matrix4F"/> instance.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the difference.</returns>
public static Matrix4F operator -(Matrix4F a, float s)
{
return(Matrix4F.Subtract(a, s));
}
/// <summary>
/// Multiplies two matrices.
/// </summary>
/// <param name="left">A <see cref="Matrix4F"/> instance.</param>
/// <param name="right">A <see cref="Matrix4F"/> instance.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the result.</returns>
public static Matrix4F Multiply(Matrix4F left, Matrix4F right)
{
return new Matrix4F(
left.M11 * right.M11 + left.M12 * right.M21 + left.M13 * right.M31 + left.M14 * right.M41,
left.M11 * right.M12 + left.M12 * right.M22 + left.M13 * right.M32 + left.M14 * right.M42,
left.M11 * right.M13 + left.M12 * right.M23 + left.M13 * right.M33 + left.M14 * right.M43,
left.M11 * right.M14 + left.M12 * right.M24 + left.M13 * right.M34 + left.M14 * right.M44,
left.M21 * right.M11 + left.M22 * right.M21 + left.M23 * right.M31 + left.M24 * right.M41,
left.M21 * right.M12 + left.M22 * right.M22 + left.M23 * right.M32 + left.M24 * right.M42,
left.M21 * right.M13 + left.M22 * right.M23 + left.M23 * right.M33 + left.M24 * right.M43,
left.M21 * right.M14 + left.M22 * right.M24 + left.M23 * right.M34 + left.M24 * right.M44,
left.M31 * right.M11 + left.M32 * right.M21 + left.M33 * right.M31 + left.M34 * right.M41,
left.M31 * right.M12 + left.M32 * right.M22 + left.M33 * right.M32 + left.M34 * right.M42,
left.M31 * right.M13 + left.M32 * right.M23 + left.M33 * right.M33 + left.M34 * right.M43,
left.M31 * right.M14 + left.M32 * right.M24 + left.M33 * right.M34 + left.M34 * right.M44,
left.M41 * right.M11 + left.M42 * right.M21 + left.M43 * right.M31 + left.M44 * right.M41,
left.M41 * right.M12 + left.M42 * right.M22 + left.M43 * right.M32 + left.M44 * right.M42,
left.M41 * right.M13 + left.M42 * right.M23 + left.M43 * right.M33 + left.M44 * right.M43,
left.M41 * right.M14 + left.M42 * right.M24 + left.M43 * right.M34 + left.M44 * right.M44
);
}
public Matrix4F getViewMatrix()
{
IntPtr f44 = EngineWrapper.RenderCore_MallocFloats(16);
EngineWrapper.RenderCore_GetViewMatrix(mRenderCore, f44);
float[] fs = new float[16];
Marshal.Copy(f44, fs, 0, 16);
EngineWrapper.RenderCore_FreeFloats(f44);
Matrix4F m44 = new Matrix4F(fs);
return m44;
}
/// <summary>
/// Transforms a given vector by a matrix.
/// </summary>
/// <param name="matrix">A <see cref="Matrix4F"/> instance.</param>
/// <param name="vector">A <see cref="Vector4F"/> instance.</param>
/// <returns>A new <see cref="Vector4F"/> instance containing the result.</returns>
public static Vector4F Transform(Matrix4F matrix, Vector4F vector)
{
return new Vector4F(
(matrix.M11 * vector.X) + (matrix.M12 * vector.Y) + (matrix.M13 * vector.Z) + (matrix.M14 * vector.W),
(matrix.M21 * vector.X) + (matrix.M22 * vector.Y) + (matrix.M23 * vector.Z) + (matrix.M24 * vector.W),
(matrix.M31 * vector.X) + (matrix.M32 * vector.Y) + (matrix.M33 * vector.Z) + (matrix.M34 * vector.W),
(matrix.M41 * vector.X) + (matrix.M42 * vector.Y) + (matrix.M43 * vector.Z) + (matrix.M44 * vector.W));
}
/// <summary>
/// Initializes a new instance of the <see cref="Matrix4F"/> class using a given matrix.
/// </summary>
public Matrix4F(Matrix4F m)
{
_m11 = m.M11; _m12 = m.M12; _m13 = m.M13; _m14 = m.M14;
_m21 = m.M21; _m22 = m.M22; _m23 = m.M23; _m24 = m.M24;
_m31 = m.M31; _m32 = m.M32; _m33 = m.M33; _m34 = m.M34;
_m41 = m.M41; _m42 = m.M42; _m43 = m.M43; _m44 = m.M44;
}
/// <summary>
/// Transposes a matrix.
/// </summary>
/// <param name="m">A <see cref="Matrix4F"/> instance.</param>
/// <returns>A new <see cref="Matrix4F"/> instance containing the transposed matrix.</returns>
public static Matrix4F Transpose(Matrix4F m)
{
Matrix4F t = new Matrix4F(m);
t.Transpose();
return t;
}
public virtual void doUpdate( RenderSystem rendersys)
{
rendersys.setViewParament(m_view_param);
m_viewmat = (Matrix4F)rendersys.getViewMatrix();
m_projmat = (Matrix4F)rendersys.getProjMatrix();
}
