class_matrix3

Matrix3

Brief Description

3x3 matrix datatype.

Member Functions

• real ** determinant ** ( )
• Vector3 ** get_euler ** ( )
• int ** get_orthogonal_index ** ( )
• Matrix3 ** inverse ** ( )
• Matrix3 ** orthonormalized ** ( )
• Matrix3 ** rotated ** ( Vector3 axis, real phi )
• Matrix3 ** scaled ** ( Vector3 scale )
• real ** tdotx ** ( Vector3 with )
• real ** tdoty ** ( Vector3 with )
• real ** tdotz ** ( Vector3 with )
• Matrix3 ** transposed ** ( )
• Vector3 ** xform ** ( Vector3 v )
• Vector3 ** xform_inv ** ( Vector3 v )
• void ** Matrix3 ** ( Vector3 x_axis, Vector3 y_axis, Vector3 z_axis )
• void ** Matrix3 ** ( Vector3 axis, real phi )
• void ** Matrix3 ** ( Quat from )

Member Variables

• Vector3 x
• Vector3 y
• Vector3 z

Description

3x3 matrix used for 3D rotation and scale. Contains 3 vector fields x,y and z. Can also be accessed as array of 3D vectors. Almost always used as orthogonal basis for a transform.

Member Function Description

determinant

• real ** determinant ** ( ) \ Return the determinant of the matrix.

get_euler

• Vector3 ** get_euler ** ( ) \ Return euler angles from the matrix.

inverse

• Matrix3 ** inverse ** ( ) \ Return the affine inverse of the matrix.

orthonormalized

• Matrix3 ** orthonormalized ** ( ) \ Return the orthonormalized version of the matrix (useful to call from time to time to avoid rounding error).

rotated

• Matrix3 ** rotated ** ( Vector3 axis, real phi ) \ Return the rotated version of the matrix, by a given axis and angle.

scaled

• Matrix3 ** scaled ** ( Vector3 scale ) \ Return the scaled version of the matrix, by a 3D scale.

tdotx

• real ** tdotx ** ( Vector3 with ) \ Transposed dot product with the x axis of the matrix.

tdoty

• real ** tdoty ** ( Vector3 with ) \ Transposed dot product with the y axis of the matrix.

tdotz

• real ** tdotz ** ( Vector3 with ) \ Transposed dot product with the z axis of the matrix.

transposed

• Matrix3 ** transposed ** ( ) \ Return the transposed version of the matrix.

xform

• Vector3 ** xform ** ( Vector3 v ) \ Return a vector transformed by the matrix and return it.

xform_inv

• Vector3 ** xform_inv ** ( Vector3 v ) \ Return a vector transformed by the transposed matrix and return it.

Matrix3

• void ** Matrix3 ** ( Vector3 x_axis, Vector3 y_axis, Vector3 z_axis ) \ Create a matrix from 3 axis vectors.

Matrix3

• void ** Matrix3 ** ( Vector3 axis, real phi ) \ Create a matrix from 3 axis vectors.

Matrix3

• void ** Matrix3 ** ( Quat from ) \ Create a matrix from 3 axis vectors.