gethitcode(3G) — Silicon Graphics
NAME
gethitcode − returns the current system hitcode
SPECIFICATION
C
long gethitcode()
FORTRAN
integer*4 function gethit()
Pascal
function gethitcode: longint;
DESCRIPTION
gethitcode returns the global variable hitcode, which keeps a cumulative record of clipping plane hits. It does not change the hitcode value.
The hitcode is a 6-bit number (see below), with one bit for each clipping plane.
| 5 | 4 | 3 | 2 | 1 | 0 |
| far | near | top | bottom | right | left |
SEE ALSO
clearhitcode, gselect, pick Programming Guide, Section 9.2, Picking
NOTE
This routine is available only in immediate mode.
Version 3.6 — December 20, 1987