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Unigine.mat4 Struct

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

mat4 Class

Properties

float m00#

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

float m10#

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

float m20#

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

float m30#

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

float m01#

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

float m11#

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

float m21#

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

float m31#

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

float m02#

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

float m12#

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

float m22#

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

float m32#

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

float m03#

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

float m13#

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

float m23#

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

float m33#

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

mat4 ZERO#

The Matrix, filled with zeros (0).

mat4 ONE#

The Matrix, filled with ones (1).

mat4 IDENTITY#

The Identity matrix.

vec4 Row0#

The First row.

vec4 Row1#

The Second row.

vec4 Row2#

The Third row.

vec4 Row3#

The Fourth row.

vec4 Column0#

The First column.

vec4 Column1#

The Second column.

vec4 Column2#

The Third column.

vec4 Column3#

The Fourth column.

vec4 AxisX#

The X axis.

vec4 AxisY#

The Y axis.

vec4 AxisZ#

The Z axis.

vec4 AxisW#

The W axis.

vec4 Diagonal#

The Vector containing diagonal elements of the matrix.

vec3 Translate#

The Translation part of the matrix. For more information see Matrix Transformations.

vec3 Scale#

The Scaling part of the matrix. For more information see Matrix Transformations.

float Trace#

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

float Determinant#

The Determinant of the matrix.

float Determinant3#

The Determinant of the smaller 3x3 matrix.

Members


bool operator== ( mat4 v0, mat4 v1 ) #

Performs equal comparison.

Arguments

  • mat4 v0 - First value.
  • mat4 v1 - Second value.

bool operator!= ( mat4 v0, mat4 v1 ) #

Not equal comparison.

Arguments

  • mat4 v0 - First value.
  • mat4 v1 - Second value.

bool Equals ( mat4 other ) #

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

Arguments

  • mat4 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.

mat4 operator- ( mat4 m ) #

Subtraction.

Arguments

mat4 operator* ( mat4 m, float v ) #

Multiplication.

Arguments

  • mat4 m - Matrix.
  • float v - Value.

vec2 operator* ( mat4 m, vec2 v ) #

Multiplication.

Arguments

vec2 operator* ( vec2 v, mat4 m ) #

Multiplication.

Arguments

vec3 operator* ( mat4 m, vec3 v ) #

Multiplication.

Arguments

vec3 operator* ( vec3 v, mat4 m ) #

Multiplication.

Arguments

vec4 operator* ( mat4 m, vec4 v ) #

Multiplication.

Arguments

vec4 operator* ( vec4 v, mat4 m ) #

Multiplication.

Arguments

dvec2 operator* ( mat4 m, dvec2 v ) #

Multiplication.

Arguments

dvec2 operator* ( dvec2 v, mat4 m ) #

Multiplication.

Arguments

dvec3 operator* ( mat4 m, dvec3 v ) #

Multiplication.

Arguments

dvec3 operator* ( dvec3 v, mat4 m ) #

Multiplication.

Arguments

dvec4 operator* ( mat4 m, dvec4 v ) #

Multiplication.

Arguments

dvec4 operator* ( dvec4 v, mat4 m ) #

Multiplication.

Arguments

mat4 operator* ( mat4 m0, mat4 m1 ) #

Multiplication.

Arguments

  • mat4 m0 - First value.
  • mat4 m1 - Second value.

mat4 operator+ ( mat4 m0, mat4 m1 ) #

Addition.

Arguments

  • mat4 m0 - First value.
  • mat4 m1 - Second value.

mat4 operator- ( mat4 m0, mat4 m1 ) #

Subtraction.

Arguments

  • mat4 m0 - First value.
  • mat4 m1 - Second value.

void Set ( float m00_, float m10_, float m20_, float m30_, float m01_, float m11_, float m21_, float m31_, float m02_, float m12_, float m22_, float m32_, float m03_, float m13_, float m23_, float m33_ ) #

Sets the value using the specified argument(s).

Arguments

  • float m00_ - m00_ element.
  • float m10_ - m10_ element.
  • float m20_ - m20_ element.
  • float m30_ - m30_ element.
  • float m01_ - m01_ element.
  • float m11_ - m11_ element.
  • float m21_ - m21_ element.
  • float m31_ - m31_ element.
  • float m02_ - m02_ element.
  • float m12_ - m12_ element.
  • float m22_ - m22_ element.
  • float m32_ - m32_ element.
  • float m03_ - m03_ element.
  • float m13_ - m13_ element.
  • float m23_ - m23_ element.
  • float m33_ - m33_ element.

void Set ( float v ) #

Sets the value using the specified argument(s).

Arguments

  • float v - A float value to be used.

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 ( vec4 col0, vec4 col1, vec4 col2, vec4 col3 ) #

Sets the value using the specified argument(s).

Arguments

  • vec4 col0 - First column.
  • vec4 col1 - Second column.
  • vec4 col2 - Third column.
  • vec4 col3 - Fourth column.

void Set ( quat q ) #

Sets the value using the specified argument(s).

Arguments

  • quat q - Source quaternion.

void Set ( mat3 m, vec3 v ) #

Sets the value using the specified argument(s).

Arguments

  • mat3 m - Source matrix.
  • vec3 v - Source vector.

void Set ( quat q, vec3 v ) #

Sets the value using the specified argument(s).

Arguments

  • quat q - Source quaternion.
  • vec3 v - Source vector.

void Set ( float[] m, bool transpose ) #

Sets the value using the specified argument(s).

Arguments

  • float[] m - Source matrix.
  • bool transpose - true - to transpose the resulting matrix, false -not to transpose.

void SetRow ( int row, vec4 v ) #

Sets the specified row of the matrix using a given vec4 vector as a source.

Arguments

  • int row - Row index.
  • vec4 v - Source vector.

void SetRow3 ( int row, vec3 v ) #

Sets the specified row of the matrix using a given three-component vec3 vector as a source, the last element of the row remains as is.

Arguments

  • int row - Row index.
  • vec3 v - Source vector.

vec4 GetRow ( int row ) #

Returns the specified matrix row.

Arguments

  • int row - Row index.

Return value

Return value.

vec3 GetRow3 ( int row ) #

Returns the first three elements of the specified matrix row.

Arguments

  • int row - Row index.

Return value

Return value.

void SetColumn ( int column, vec4 v ) #

Sets the specified column of the matrix using a given vec4 vector as a source.

Arguments

  • int column - Column index.
  • vec4 v - Source vector.

void SetColumn3 ( int column, vec3 v ) #

Sets the specified column of the matrix using a given three-component vec3 vector as a source, the last element of the column remains as is.

Arguments

  • int column - Column index.
  • vec3 v - Source vector.

vec4 GetColumn ( int column ) #

Returns the specified matrix column.

Arguments

  • int column - Column index.

Return value

Return value.

vec3 GetColumn3 ( int column ) #

Returns the XYZ components of the specified matrix column.

Arguments

  • int column - Column index.

Return value

Return 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 ( vec3 axis, float angle ) #

Sets the rotation matrix for a given axis.

Arguments

  • vec3 axis - Axis of rotation.
  • float angle - Angle, in degrees.

quat GetRotate ( ) #

Returns the quaternion, representing the rotation part of the matrix.

Return value

Resulting rotation matrix.

void SetRotateX ( float angle ) #

Sets X rotation matrix.

Arguments

  • float angle - Angle, in degrees.

void SetRotateY ( float angle ) #

Sets Y rotation matrix.

Arguments

  • float angle - Angle, in degrees.

void SetRotateZ ( float angle ) #

Set Z rotation matrix.

Arguments

  • float angle - Angle, in degrees.

string ToString ( ) #

Converts the current value to a string value.

Return value

Resulting string value.
Last update: 24.08.2021
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