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Unigine.mat2 Struct

Notice
The functions listed below are the members of the Unigine.MathLib namespace.

mat2 Class

Properties

float m00#

Matrix element in the corresponding row and column mxy = M[x, y]. Provides convenient access to matrix elements.

float m10#

Matrix element in the corresponding row and column mxy = M[x, y]. Provides convenient access to matrix elements.

float m01#

Matrix element in the corresponding row and column mxy = M[x, y]. Provides convenient access to matrix elements.

float m11#

Matrix element in the corresponding row and column mxy = M[x, y]. Provides convenient access to matrix elements.

mat2 ZERO#

Matrix, filled with zeros (0).

mat2 ONE#

Matrix, filled with ones (1).

mat2 IDENTITY#

Identity matrix.

vec2 Row0#

First row.

vec2 Row1#

Second row.

vec2 Column0#

First column.

vec2 Column1#

Second column.

vec2 AxisX#

X axis.

vec2 AxisY#

Y axis.

vec2 Diagonal#

Vector containing diagonal elements of the matrix.

float Trace#

Trace of the matrix: (sum of its diagonal elements).

float Determinant#

Determinant of the matrix.

Members


bool operator== ( mat2 v0, mat2 v1 ) #

Performs equal comparison.

Arguments

  • mat2 v0 - First value.
  • mat2 v1 - Second value.

bool operator!= ( mat2 v0, mat2 v1 ) #

Not equal comparison.

Arguments

  • mat2 v0 - First value.
  • mat2 v1 - Second value.

bool Equals ( mat2 other ) #

Checks if the vector and the specified argument are equal (epsilon).

Arguments

  • mat2 other - Value to be checked for equality.

Return value

Return value.

bool Equals ( object obj ) #

Checks if the vector and the specified argument are equal (epsilon).

Arguments

Return value

Return value.

int GetHashCode ( ) #

Returns a hash code for the current object. Serves as the default hash function.

Return value

Resulting int value.

mat2 operator- ( mat2 m ) #

Subtraction.

Arguments

mat2 operator* ( mat2 m, float v ) #

Multiplication.

Arguments

  • mat2 m - Matrix.
  • float v - Value.

vec2 operator* ( mat2 m, vec2 v ) #

Multiplication.

Arguments

vec2 operator* ( vec2 v, mat2 m ) #

Multiplication.

Arguments

dvec2 operator* ( mat2 m, dvec2 v ) #

Multiplication.

Arguments

dvec2 operator* ( dvec2 v, mat2 m ) #

Multiplication.

Arguments

mat2 operator* ( mat2 m0, mat2 m1 ) #

Matrices multiplication.

Arguments

  • mat2 m0 - First matrix.
  • mat2 m1 - Second matrix.

Return value

Result matrix.

mat2 operator+ ( mat2 m0, mat2 m1 ) #

Matrices addition.

Arguments

  • mat2 m0 - First matrix.
  • mat2 m1 - Second matrix.

mat2 operator- ( mat2 m0, mat2 m1 ) #

Matrices subtraction.

Arguments

  • mat2 m0 - First matrix.
  • mat2 m1 - Second matrix.

void Set ( float m00_, float m10_, float m01_, float m11_ ) #

Sets the value using the specified argument(s).

Arguments

  • float m00_ - m00_ element.
  • float m10_ - m10_ element.
  • float m01_ - m01_ element.
  • float m11_ - m11_ element.

void Set ( float v ) #

Sets the value using the specified argument(s).

Arguments

  • float v - A float value to be used.

void Set ( float[] m ) #

Sets the value using the specified argument(s).

Arguments

  • float[] m - Source matrix.

void Set ( mat2 m ) #

Sets the value using the specified argument(s).

Arguments

  • mat2 m - Source matrix.

void Set ( mat3 m ) #

Sets the value using the specified argument(s).

Arguments

  • mat3 m - Source matrix.

void Set ( mat4 m ) #

Sets the value using the specified argument(s).

Arguments

  • mat4 m - Source matrix.

void Set ( dmat4 m ) #

Sets the value using the specified argument(s).

Arguments

void Set ( vec2 col0, vec2 col1 ) #

Sets the value using the specified argument(s).

Arguments

  • vec2 col0 - First column.
  • vec2 col1 - Second column.

void SetRow ( int row, vec2 v ) #

Sets the specified row of the matrix using a given vec2 vector as a source.

Arguments

  • int row - Row index.
  • vec2 v - Source vector.

vec2 GetRow ( int row ) #

Returns the specified matrix row.

Arguments

  • int row - Row index.

Return value

Return value.

void SetColumn ( int column, vec2 v ) #

Sets the specified column of the matrix using a given vec2 vector as a source.

Arguments

  • int column - Column index.
  • vec2 v - Source vector.

vec2 GetColumn ( int column ) #

Returns the specified matrix column.

Arguments

  • int column - Column index.

Return value

Return value.

float Get ( int row, int column ) #

Returns the matrix element specified by given row and column.

Arguments

  • int row - Row index.
  • int column - Column index.

Return value

Resulting float value.

float Set ( int row, int column, float v ) #

Sets the value using the specified argument(s).

Arguments

  • int row - Row index.
  • int column - Column index.
  • float v - A float value to be used.

Return value

Resulting float value.

void Clear ( ) #

Clears the value by setting all components/elements to 0.

void SetZero ( ) #

Sets all matrix elements equal to 0.

void SetIdentity ( ) #

Sets the matrix equal to the identity matrix.

void SetRotate ( float angle ) #

Fills the rotation matrix using a given angle.
Output
Rotation matrix: 
    | cos(angle)   	-sin(angle) | 
R=  | sin(angle)     cos(angle) |

Arguments

  • float angle - Angle, in degrees.

void SetScale ( vec2 v ) #

Fills the scaling matrix using a given vec2 source vector.
Output
Scaling matrix: 
    | v.x   	0.0f | 
S=  | 0.0f      v.y  |

Arguments

  • vec2 v - Source vector.

string ToString ( ) #

Converts the current value to a string value.

Return value

Resulting string value.
Last update: 2021-08-24
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