C# Class BEPUutilities.Matrix2x2

2 row, 2 column matrix.

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Public Properties

Property	Type	Description
M11	float
M12	float
M21	float
M22	float

Public Methods

Method	Description
Add ( BEPUutilities.Matrix &a, BEPUutilities.Matrix &b, Matrix2x2 &result ) : void	Adds the two matrices together on a per-element basis.
Add ( BEPUutilities.Matrix &a, Matrix2x2 &b, Matrix2x2 &result ) : void	Adds the two matrices together on a per-element basis.
Add ( Matrix2x2 &a, BEPUutilities.Matrix &b, Matrix2x2 &result ) : void	Adds the two matrices together on a per-element basis.
Add ( Matrix2x2 &a, Matrix2x2 &b, Matrix2x2 &result ) : void	Adds the two matrices together on a per-element basis.
CreateScale ( float scale, Matrix2x2 &matrix ) : void	Constructs a uniform scaling matrix.
Determinant ( ) : float	Calculates the determinant of the matrix.
Invert ( Matrix2x2 &matrix, Matrix2x2 &result ) : void	Inverts the given matix.
Matrix2x2 ( float m11, float m12, float m21, float m22 ) : Microsoft.Xna.Framework	Constructs a new 2 row, 2 column matrix.
Multiply ( Matrix &a, Matrix2x2 &b, Matrix2x2 &result ) : void	Multiplies the two matrices.
Multiply ( Matrix2x2 &a, Matrix &b, Matrix2x2 &result ) : void	Multiplies the two matrices.
Multiply ( Matrix2x2 &a, Matrix2x2 &b, Matrix2x2 &result ) : void	Multiplies the two matrices.
Multiply ( Matrix2x3 &a, Matrix3x2 &b, Matrix2x2 &result ) : void	Multiplies the two matrices.
Negate ( Matrix2x2 &matrix, Matrix2x2 &result ) : void	Negates every element in the matrix.
Subtract ( Matrix2x2 &a, Matrix2x2 &b, Matrix2x2 &result ) : void	Subtracts the two matrices from each other on a per-element basis.
ToString ( ) : string	Creates a string representation of the matrix.
Transform ( Vector2 &v, Matrix2x2 &matrix, Vector2 &result ) : void	Transforms the vector by the matrix.
Transpose ( Matrix2x2 &matrix, Matrix2x2 &result ) : void	Computes the transposed matrix of a matrix.

Method Details

Add() public static method

Adds the two matrices together on a per-element basis.

public static Add ( BEPUutilities.Matrix &a, BEPUutilities.Matrix &b, Matrix2x2 &result ) : void
a	BEPUutilities.Matrix	First matrix to add.
b	BEPUutilities.Matrix	Second matrix to add.
result	Matrix2x2	Sum of the two matrices.
return	void

Add() public static method

Adds the two matrices together on a per-element basis.

public static Add ( BEPUutilities.Matrix &a, Matrix2x2 &b, Matrix2x2 &result ) : void
a	BEPUutilities.Matrix	First matrix to add.
b	Matrix2x2	Second matrix to add.
result	Matrix2x2	Sum of the two matrices.
return	void

Add() public static method

Adds the two matrices together on a per-element basis.

public static Add ( Matrix2x2 &a, BEPUutilities.Matrix &b, Matrix2x2 &result ) : void
a	Matrix2x2	First matrix to add.
b	BEPUutilities.Matrix	Second matrix to add.
result	Matrix2x2	Sum of the two matrices.
return	void

Add() public static method

Adds the two matrices together on a per-element basis.

public static Add ( Matrix2x2 &a, Matrix2x2 &b, Matrix2x2 &result ) : void
a	Matrix2x2	First matrix to add.
b	Matrix2x2	Second matrix to add.
result	Matrix2x2	Sum of the two matrices.
return	void

CreateScale() public static method

Constructs a uniform scaling matrix.

public static CreateScale ( float scale, Matrix2x2 &matrix ) : void
scale	float	Value to use in the diagonal.
matrix	Matrix2x2	Scaling matrix.
return	void

Determinant() public method

Calculates the determinant of the matrix.

public Determinant ( ) : float
return	float

Invert() public static method

Inverts the given matix.

public static Invert ( Matrix2x2 &matrix, Matrix2x2 &result ) : void
matrix	Matrix2x2	Matrix to be inverted.
result	Matrix2x2	Inverted matrix.
return	void

Matrix2x2() public method

Constructs a new 2 row, 2 column matrix.

public Matrix2x2 ( float m11, float m12, float m21, float m22 ) : Microsoft.Xna.Framework
m11	float	Value at row 1, column 1 of the matrix.
m12	float	Value at row 1, column 2 of the matrix.
m21	float	Value at row 2, column 1 of the matrix.
m22	float	Value at row 2, column 2 of the matrix.
return	Microsoft.Xna.Framework

Multiply() public static method

Multiplies the two matrices.

public static Multiply ( Matrix &a, Matrix2x2 &b, Matrix2x2 &result ) : void
a	Matrix	First matrix to multiply.
b	Matrix2x2	Second matrix to multiply.
result	Matrix2x2	Product of the multiplication.
return	void

Multiply() public static method

Multiplies the two matrices.

public static Multiply ( Matrix2x2 &a, Matrix &b, Matrix2x2 &result ) : void
a	Matrix2x2	First matrix to multiply.
b	Matrix	Second matrix to multiply.
result	Matrix2x2	Product of the multiplication.
return	void

Multiply() public static method

Multiplies the two matrices.

public static Multiply ( Matrix2x2 &a, Matrix2x2 &b, Matrix2x2 &result ) : void
a	Matrix2x2	First matrix to multiply.
b	Matrix2x2	Second matrix to multiply.
result	Matrix2x2	Product of the multiplication.
return	void

Multiply() public static method

Multiplies the two matrices.

public static Multiply ( Matrix2x3 &a, Matrix3x2 &b, Matrix2x2 &result ) : void
a	Matrix2x3	First matrix to multiply.
b	Matrix3x2	Second matrix to multiply.
result	Matrix2x2	Product of the multiplication.
return	void

Negate() public static method

Negates every element in the matrix.

public static Negate ( Matrix2x2 &matrix, Matrix2x2 &result ) : void
matrix	Matrix2x2	Matrix to negate.
result	Matrix2x2	Negated matrix.
return	void

Subtract() public static method

Subtracts the two matrices from each other on a per-element basis.

public static Subtract ( Matrix2x2 &a, Matrix2x2 &b, Matrix2x2 &result ) : void
a	Matrix2x2	First matrix to subtract.
b	Matrix2x2	Second matrix to subtract.
result	Matrix2x2	Difference of the two matrices.
return	void

ToString() public method

Creates a string representation of the matrix.

public ToString ( ) : string
return	string

Transform() public static method

Transforms the vector by the matrix.

public static Transform ( Vector2 &v, Matrix2x2 &matrix, Vector2 &result ) : void
v	Vector2	Vector2 to transform.
matrix	Matrix2x2	Matrix to use as the transformation.
result	Vector2	Product of the transformation.
return	void

Transpose() public static method

Computes the transposed matrix of a matrix.

public static Transpose ( Matrix2x2 &matrix, Matrix2x2 &result ) : void
matrix	Matrix2x2	Matrix to transpose.
result	Matrix2x2	Transposed matrix.
return	void

Property Details

M11 public_oe property

Value at row 1, column 1 of the matrix.

public float M11
return	float

M12 public_oe property

Value at row 1, column 2 of the matrix.

public float M12
return	float

M21 public_oe property

Value at row 2, column 1 of the matrix.

public float M21
return	float

M22 public_oe property

Value at row 2, column 2 of the matrix.

public float M22
return	float