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get_rotation_matrix(3) Allegro manual get_rotation_matrix(3) NAME get_rotation_matrix, get_rotation_matrix_f - Constructs X, Y, Z rotation matrices. Allegro game programming library. SYNOPSIS #include <allegro.h> void get_rotation_matrix(MATRIX *m, fixed x, fixed y, fixed z); void get_rotation_matrix_f(MATRIX_f *m, float x, float y, float z); DESCRIPTION Constructs a transformation matrix which will rotate points around all three axes by the specified amounts (given in binary, 256 degrees to a cir- cle format). The direction of rotation can simply be found out with the right-hand rule: Point the dumb of your right hand towards the origin along the axis of rotation, and the fingers will curl in the positive direction of rotation. E.g. if you rotate around the y axis, and look at the scene from above, a positive angle will rotate in clockwise direction. SEE ALSO apply_matrix(3), get_transformation_matrix(3), get_vector_rotation_ma- trix(3), get_x_rotate_matrix(3), get_y_rotate_matrix(3), get_z_rotate_ma- trix(3), get_align_matrix(3), ex12bit(3), exquat(3), exstars(3) Allegro version 4.4.3 get_rotation_matrix(3)
NAME | SYNOPSIS | DESCRIPTION | SEE ALSO
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