Unigine.mat3 Struct
mat3 Class
Properties
vec3 AxisX#
The normalized vector representing the X axis.
vec3 AxisY#
The normalized vector representing the Y axis.
vec3 AxisZ#
The normalized vector representing the Z axis.
vec3 Diagonal#
The vector with the elements of the main diagonal.
Members
mat3 ( ) #
Default constructor. Produces an identity matrix.mat3 ( float v ) #
Constructor. Initializes the matrix using a given scalar value.Source code (UnigineScript)
mat3(2.0);
/* Creates a matrix
| 2.0 2.0 2.0 |
| 2.0 2.0 2.0 |
| 2.0 2.0 2.0 |
*/Arguments
- float v - Scalar value.
mat3 ( const mat3 & m ) #
Constructor. Initializes the matrix by copying a given source matrix.Arguments
- const mat3 & m - Source matrix.
mat3 ( const mat4 & m ) #
Constructor. Initializes the matrix using a given mat4 source matrix (4x4). The matrix elements are filled using corresponding elements of the source matrix.Arguments
- const mat4 & m - Source matrix (4x4).
mat3 ( const dmat4 & m ) #
Constructor. Initializes the matrix using a given dmat4 source matrix (3x4). The matrix elements are filled using corresponding elements of the source matrix.Arguments
- const dmat4 & m - Source matrix (3x4).
mat3 ( const vec3 & col0, const vec3 & col1, const vec3 & col2 ) #
Constructor. Initializes the matrix using given three vec3 vectors.Output
Resulting matrix:
| col0.x col1.x col2.x |
M= | col0.y col1.y col2.y |
| col0.z col1.z col2.z |Arguments
- const vec3 & col0 - Source vector for the first column.
- const vec3 & col1 - Source vector for the second column
- const vec3 & col2 - Source vector for the third column
mat3 ( const quat & q ) #
Constructor. Initializes the matrix using a given source quaternion.Output
For the quaternion (x, y, z, w) the corresponding rotation matrix M is defined as follows:
| 1 - 2y² - 2z² 2xy + 2wz 2xz - 2wy |
M= | 2xy - 2wz 1 - 2x² - 2z² 2yz + 2wx |
| 2xz + 2wy 2yz - 2wx 1 - 2x² - 2y² |Arguments
- const quat & q - Source quaternion.
mat3 ( const float * m ) #
Constructor. Initializes the vector using a given pointer to the array of float elements.Output
Resulting matrix:
| m[0] m[3] m[6] |
M= | m[1] m[4] m[7] |
| m[2] m[5] m[8] |
| 0.0f 0.0f 0.0f |Arguments
- const float * m - Pointer to the array of float elements.
mat3 & Operator*= ( float v ) #
Performs scalar multiplication.Arguments
- float v - Scalar value.
Return value
Resulting matrix.mat3 & Operator*= ( vec2 v ) #
Performs vector multiplication.Arguments
- vec2 v - Vector.
Return value
Resulting matrix.mat3 & Operator*= ( vec3 v ) #
Performs vector multiplication.Arguments
- vec3 v - Vector.
Return value
Resulting matrix.mat3 & Operator*= ( dvec2 v ) #
Performs vector multiplication.Arguments
- dvec2 v - Vector.
Return value
Resulting matrix.mat3 & Operator*= ( dvec3 v ) #
Performs vector multiplication.Arguments
- dvec3 v - Vector.
Return value
Resulting matrix.mat3 & Operator+= ( const mat3 & m ) #
Performs matrix addition.Arguments
- const mat3 & m - Matrix.
Return value
Resulting matrix.mat3 Operator- ( ) #
Performs matrix negation.Return value
Resulting matrix.mat3 & Operator-= ( const mat3 & m ) #
Performs matrix subtraction.Arguments
- const mat3 & m - mat3 matrix.
Return value
Resulting matrix.Last update:
2020-05-19
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