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QD3D 64 - Making Objects Invisible (11-July-97)


Q Is it possible to include an object in the QuickDraw 3D rendering loop, but have it invisible?

A If your object is in a group, you can turn the groups drawable flag off (kQ3DisplayGroupStateMaskIsDrawn, see page 10-6 of "3D Graphics programming with QD3D") so the objects in the group won't be drawn. Another technique is to set the origin of the object to a distant location, so that it is not in the field of view. Alternately, you can make the object transparent by setting the transparency color to whatever the background color is.



-- Scott Kuechle
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