DOKK / manpages / debian 11 / allegro4-doc / get_scaling_matrix.3alleg4.en
get_scaling_matrix(3alleg4) Allegro manual get_scaling_matrix(3alleg4)

get_scaling_matrix, get_scaling_matrix_f - Constructs a scaling matrix. Allegro game programming library.

#include <allegro.h>

void get_scaling_matrix(MATRIX *m, fixed x, fixed y, fixed z);

void get_scaling_matrix_f(MATRIX_f *m, float x, float y, float z);

Constructs a scaling matrix, storing it in m. When applied to the point (px, py, pz), this matrix will produce the point (px*x, py*y, pz*z). In other words, it stretches or shrinks things.

apply_matrix(3alleg4), get_transformation_matrix(3alleg4), qscale_matrix(3alleg4)

version 4.4.3 Allegro