id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	i_links	o_links
329	Improve get2DViewdirection	rgrieder	nobody	"The function mentioned can be found in util/Math.cc line 123. It uses only Vector3 as input/output, but makes heavy use of sin, cos and acos functions. This is quite expensive considering performance (tested with a profiler). [[br]]
What can you do? According to my experience with such problems, you can always replace the of the triangular functions with standard operations and square roots given that neither input nor output contains any angle values (which is the case here)."	enhancement	closed	minor		misc		fixed	performance