This patch adds a randomize factor for the start/end lengths in the Length modifier.
Reviewed By: #grease_pencil, antoniov, pepeland, HooglyBoogly
Differential Revision: https://developer.blender.org/D12928
Extend the stroke following an approximated circluar/helical curve.
This can be used as an effect for lineart or on its own as helix generator.
Reviewed By: Sebastian Parborg (zeddb), Hans Goudey (HooglyBoogly), YimingWu (NicksBest), Antonio Vazquez (antoniov), Henrik Dick (weasel)
Differential Revision: https://developer.blender.org/D11668
# 请为您的变更输入提交说明。以 '#' 开始的行将被忽略，而一个空的提交
# 说明将会终止提交。
#
# 位于分支 master
# 您的分支与上游分支 'origin/master' 一致。
#
# 要提交的变更：
# 修改： source/blender/blenkernel/BKE_gpencil_geom.h
# 修改： source/blender/blenkernel/intern/gpencil_geom.cc
# 修改： source/blender/gpencil_modifiers/intern/MOD_gpencillength.c
# 修改： source/blender/makesdna/DNA_gpencil_modifier_defaults.h
# 修改： source/blender/makesdna/DNA_gpencil_modifier_types.h
# 修改： source/blender/makesrna/intern/rna_gpencil_modifier.c
#
