csMatrix2 Class Reference
[Geometry utilities]
A 2x2 matrix.
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#include <csgeom/matrix2.h>
Public Member Functions | |
| csVector2 | Col1 () const |
| Get the first column of this matrix as a vector. | |
| csVector2 | Col2 () const |
| Get the second column of this matrix as a vector. | |
| csMatrix2 (float m11, float m12, float m21, float m22) | |
| Construct a matrix and initialize it. | |
| csMatrix2 () | |
| Construct a matrix, initialized to be the identity. | |
| float | Determinant () const |
| Compute the determinant of this matrix. | |
| csMatrix2 | GetInverse () const |
| Return the inverse of this matrix. | |
| csMatrix2 | GetTranspose () const |
| Return the transpose of this matrix. | |
| void | Identity () |
| Set this matrix to the identity matrix. | |
| void | Invert () |
| Invert this matrix. | |
| csMatrix2 & | operator *= (float s) |
| Multiply this matrix with a scalar. | |
| csMatrix2 & | operator *= (const csMatrix2 &m) |
| Multiply another matrix with this matrix. | |
| csMatrix2 | operator+ () const |
| Unary + operator. | |
| csMatrix2 & | operator+= (const csMatrix2 &m) |
| Add another matrix to this matrix. | |
| csMatrix2 | operator- () const |
| Unary - operator. | |
| csMatrix2 & | operator-= (const csMatrix2 &m) |
| Subtract another matrix from this matrix. | |
| csMatrix2 & | operator/= (float s) |
| Divide this matrix by a scalar. | |
| csVector2 | Row1 () const |
| Get the first row of this matrix as a vector. | |
| csVector2 | Row2 () const |
| Get the second row of this matrix as a vector. | |
| void | Set (float m11, float m12, float m21, float m22) |
| Set matrix values. | |
| void | Transpose () |
| Transpose this matrix. | |
Public Attributes | |
| float | m11 |
| float | m12 |
| float | m21 |
| float | m22 |
Friends | |
| csMatrix2 | operator * (float f, const csMatrix2 &m) |
| Multiply a matrix and a scalar. | |
| csMatrix2 | operator * (const csMatrix2 &m, float f) |
| Multiply a matrix and a scalar. | |
| csVector2 | operator * (const csMatrix2 &m, const csVector2 &v) |
| Multiply a vector by a matrix (transform it). | |
| csMatrix2 | operator * (const csMatrix2 &m1, const csMatrix2 &m2) |
| Multiply two matricies. | |
| csMatrix2 | operator+ (const csMatrix2 &m1, const csMatrix2 &m2) |
| Add two matricies. | |
| csMatrix2 | operator- (const csMatrix2 &m1, const csMatrix2 &m2) |
| Subtract two matricies. | |
| csMatrix2 | operator/ (const csMatrix2 &m, float f) |
| Divide a matrix by a scalar. | |
Detailed Description
A 2x2 matrix.
Definition at line 37 of file matrix2.h.
Constructor & Destructor Documentation
| csMatrix2::csMatrix2 | ( | ) |
Construct a matrix, initialized to be the identity.
| csMatrix2::csMatrix2 | ( | float | m11, | |
| float | m12, | |||
| float | m21, | |||
| float | m22 | |||
| ) |
Construct a matrix and initialize it.
Member Function Documentation
| csVector2 csMatrix2::Col1 | ( | ) | const [inline] |
| csVector2 csMatrix2::Col2 | ( | ) | const [inline] |
| float csMatrix2::Determinant | ( | ) | const |
Compute the determinant of this matrix.
| csMatrix2 csMatrix2::GetInverse | ( | ) | const [inline] |
| csMatrix2 csMatrix2::GetTranspose | ( | ) | const |
Return the transpose of this matrix.
| void csMatrix2::Identity | ( | ) |
Set this matrix to the identity matrix.
| csMatrix2& csMatrix2::operator *= | ( | float | s | ) |
Multiply this matrix with a scalar.
| csMatrix2 csMatrix2::operator+ | ( | ) | const [inline] |
| csMatrix2 csMatrix2::operator- | ( | ) | const [inline] |
| csMatrix2& csMatrix2::operator/= | ( | float | s | ) |
Divide this matrix by a scalar.
| csVector2 csMatrix2::Row1 | ( | ) | const [inline] |
| csVector2 csMatrix2::Row2 | ( | ) | const [inline] |
| void csMatrix2::Set | ( | float | m11, | |
| float | m12, | |||
| float | m21, | |||
| float | m22 | |||
| ) | [inline] |
| void csMatrix2::Transpose | ( | ) |
Transpose this matrix.
Friends And Related Function Documentation
Multiply two matricies.
The documentation for this class was generated from the following file:
- csgeom/matrix2.h
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