No comment. Sorry.

	private
	setDirection:

	shading
	computeAttenuationFor: computeDirectionTo:

	converting	top
	asPrimitiveLight Convert the receiver into a B3DPrimitiveLight
	transformedBy:

	private	top
	setDirection:

	shading	top
	computeAttenuationFor: Since a directional light is positioned at virtual infinity, it cannot have any attenuation
	computeDirectionTo: A directional light has an explicit direction regardless of the vertex position

	change logging	top
	acceptsLoggingOfCompilation weird name is so that it will come lexically before #compile, so that a clean build can make it through. 7/7/96 sw
	wantsChangeSetLogging Answer whether code submitted for the receiver should be remembered by the changeSet mechanism. 7/12/96 sw