Differential D3668 Diff 11765 release/scripts/freestyle/modules/freestyle/shaders.py

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Show First 20 Lines • Show All 875 Lines • ▼ Show 20 Lines	def shade(self, stroke):
C = self.__random_center		C = self.__random_center

# The directions (and phases) are calculated using a separate		# The directions (and phases) are calculated using a separate
# function decorated with an lru-cache. This guarantees that		# function decorated with an lru-cache. This guarantees that
# the directions (involving sin and cos) are calculated as few		# the directions (involving sin and cos) are calculated as few
# times as possible.		# times as possible.
#		#
# This works because the phases and directions are only		# This works because the phases and directions are only
# dependant on the stroke length, and the chance that		# dependent on the stroke length, and the chance that
# stroke.resample() above produces strokes of the same length		# stroke.resample() above produces strokes of the same length
# is quite high.		# is quite high.
#		#
# In tests, the amount of calls to sin() and cos() went from		# In tests, the amount of calls to sin() and cos() went from
# over 21000 to just 32 times, yielding a speedup of over 100%		# over 21000 to just 32 times, yielding a speedup of over 100%
directions = phase_to_direction(sv_nb)		directions = phase_to_direction(sv_nb)

it = iter(stroke)		it = iter(stroke)
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