NAME
begin_frame - start a new object coordinate system
end_frame - end object coordinate system
PROTOTYPES
unitptr begin_frame(unitptr host)
unitptr end_frame(unitptr host)
ARGUMENTS
- unitptr host
- host unit
RETURN VALUE:
- unitptr u:
- pointer to newly created unit
DESCRIPTION:
Creates a unit execution of which starts or ends a new coordinate
frame used for rendering objects (the exec-routine of this
unit is the GL-pushmatrix-routine and the GL-popmatrix routine,
resp.).
Each exec_unit-call of a begin_frame -unit must be balanced
by an exec_unit-call of an end_frame -unit.
FILE
/local/homes/rhaschke/nst7/man/../o.linx86//../foldersrc/nst_solid.c