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