clear_zbuffer

clear_zbuffer(3alleg4)           Allegro manual           clear_zbuffer(3alleg4)



NAME
       clear_zbuffer - Writes a depth value into the given Z-buffer. Allegro
       game programming library.

SYNOPSIS
       #include <allegro.h>


       void clear_zbuffer(ZBUFFER *zbuf, float z);

DESCRIPTION
       Writes z into the given Z-buffer (0 means far away). This function should
       be used to initialize the Z-buffer before each frame. Actually, low-level
       routines compare depth of the current pixel with 1/z: for example, if you
       want to clip polygons farther than 10, you must call clear_zbuffer(zbuf,
       0.1).


SEE ALSO
       create_zbuffer(3alleg4), set_zbuffer(3alleg4), destroy_zbuffer(3alleg4),
       exzbuf(3alleg4)



Allegro                           version 4.4.3           clear_zbuffer(3alleg4)