C# Class Sparrow.Geom.Matrix

The Matrix class describes an affine, 2D transformation Matrix. It provides methods to manipulate the matrix in convenient ways, and can be used to transform points. The matrix has the following form: |a c tx| |b d ty| |0 0 1|

Inheritance: SparrowSharp.Pool.PooledObject

ファイルを表示 Open project: fmotagarcia/sparrow-sharp Class Usage Examples

Public Properties

Property	Type	Description
A	float
B	float
C	float
D	float
Tx	float
Ty	float

Public Methods

Method	Description
AppendMatrix ( Matrix matrix ) : void
ConvertToMatrix4 ( ) : Matrix4	Creates and returns an OpenGL Matrix4 object based on this Matrix
ConvertToMatrix4d ( ) : System.Matrix4d	Creates and returns an OpenGL Matrix4d object based on this Matrix
CopyFromMatrix ( Matrix matrix ) : void
Create ( float a = 1.0f, float b = 0.0f, float c = 0.0f, float d = 1.0f, float tx = 0.0f, float ty = 0.0f ) : Matrix
Identity ( ) : void	Converts the matrix to an Identity matrix
Invert ( ) : void
IsEqual ( Matrix other ) : bool
PrependMatrix ( Matrix matrix ) : void
PrependTranslation ( float dx, float dy ) : void
Rotate ( float angleInRadians ) : void	Applies a rotation on the matrix (angle in radians).
Scale ( float sx, float sy ) : void
Skew ( float sx, float sy ) : void	Appends a skew transformation to a matrix (angles in radians). The skew matrix has the following form: \| cos(skewY) -sin(skewX) 0 \| \| sin(skewY) cos(skewX) 0 \| \| 0 0 1 \|
ToString ( ) : string
TransformPoint ( Point point ) : Point	Returns a point that is transformed by this matrix
TransformPoint ( float x, float y ) : Point
Translate ( float dx, float dy ) : void

Private Methods

Method	Description
Init ( ) : Matrix
Matrix ( float a = 1.0f, float b = 0.0f, float c = 0.0f, float d = 1.0f, float tx = 0.0f, float ty = 0.0f ) : System

Method Details

AppendMatrix() public method

public AppendMatrix ( Matrix matrix ) : void
matrix	Matrix
return	void

ConvertToMatrix4() public method

Creates and returns an OpenGL Matrix4 object based on this Matrix

public ConvertToMatrix4 ( ) : Matrix4
return	Matrix4

ConvertToMatrix4d() public method

Creates and returns an OpenGL Matrix4d object based on this Matrix

public ConvertToMatrix4d ( ) : System.Matrix4d
return	System.Matrix4d

CopyFromMatrix() public method

public CopyFromMatrix ( Matrix matrix ) : void
matrix	Matrix
return	void

Create() public static method

public static Create ( float a = 1.0f, float b = 0.0f, float c = 0.0f, float d = 1.0f, float tx = 0.0f, float ty = 0.0f ) : Matrix
a	float
b	float
c	float
d	float
tx	float
ty	float
return	Matrix

Identity() public method

Converts the matrix to an Identity matrix

public Identity ( ) : void
return	void

Invert() public method

public Invert ( ) : void
return	void

IsEqual() public method

public IsEqual ( Matrix other ) : bool
other	Matrix
return	bool

PrependMatrix() public method

public PrependMatrix ( Matrix matrix ) : void
matrix	Matrix
return	void

PrependTranslation() public method

public PrependTranslation ( float dx, float dy ) : void
dx	float
dy	float
return	void

Rotate() public method

Applies a rotation on the matrix (angle in radians).

public Rotate ( float angleInRadians ) : void
angleInRadians	float
return	void

Scale() public method

public Scale ( float sx, float sy ) : void
sx	float
sy	float
return	void

Skew() public method

public Skew ( float sx, float sy ) : void
sx	float
sy	float
return	void

ToString() public method

public ToString ( ) : string
return	string

TransformPoint() public method

Returns a point that is transformed by this matrix

public TransformPoint ( Point point ) : Point
point	Point
return	Point

TransformPoint() public method

public TransformPoint ( float x, float y ) : Point
x	float
y	float
return	Point

Translate() public method

public Translate ( float dx, float dy ) : void
dx	float
dy	float
return	void

Property Details

A public_oe property

public float A
return	float

B public_oe property

public float B
return	float

C public_oe property

public float C
return	float

D public_oe property

public float D
return	float

Tx public_oe property

public float Tx
return	float

Ty public_oe property

public float Ty
return	float