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blender-archive/source/blender/blenkernel
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Joshua Leung 14f056144e Bendy Bones Instability Fix - Second Attempt 
So the error seems to be in cubic_tangent_factor_circle_v3(),
which was introduced with D2001.

I've tweaked the most obvious culprit here - the epsilon factor.
It used to be 10^-7, but I've reduced it down to 10^-5 now,
and it's looking a lot more stable now :)

---------

BTW, about the derivation of the magic 0.390464 factor I briefly subbed back
as a workaround for this bug, see:
    http://www.whizkidtech.redprince.net/bezier/circle/
2016-06-28 02:52:20 +12:00
..
intern
Bendy Bones Instability Fix - Second Attempt
2016-06-28 02:52:20 +12:00
BKE_action.h
Bendy Bones: Advanced B-Bones for Easier + Simple Rigging
2016-05-18 03:19:06 +12:00
BKE_addon.h
GHash: avoid redundant casts
2015-05-11 12:39:39 +10:00
BKE_anim.h
Fix T44183 particles in linked group offset from object
2015-04-02 17:13:45 +02:00
BKE_animsys.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_appdir.h
Add bpy.app.binary_path_python
2015-05-06 11:13:42 +10:00
BKE_armature.h
Bendy Bones: Advanced B-Bones for Easier + Simple Rigging
2016-05-18 03:19:06 +12:00
BKE_autoexec.h
…
BKE_blender_copybuffer.h
Refactor BKE_blender into separate headers
2016-04-25 19:27:45 +10:00
BKE_blender_undo.h
Cleanup: remove bad-level call
2016-06-25 21:19:54 +10:00
BKE_blender_version.h
D1886: GPencil - Add smooth iterations parameter to get better quality
2016-05-09 00:53:51 +12:00
BKE_blender.h
BKE_blender: Add own atexit functions
2016-06-24 10:05:18 +10:00
BKE_blendfile.h
Refactor BKE_blender into separate headers
2016-04-25 19:27:45 +10:00
BKE_bmfont_types.h
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BKE_bmfont.h
…
BKE_boids.h
…
BKE_bpath.h
Fix T44543: painted texture lost after first save
2015-05-18 13:42:47 +10:00
BKE_brush.h
Cleanup: add missing struct qualifier
2016-02-18 19:35:48 +11:00
BKE_bullet.h
…
BKE_bvhutils.h
Correct check for tree being in BVH cache
2016-05-12 01:40:50 +10:00
BKE_camera.h
Multi-View: Cycles - Spherical Stereo support (VR Panoramas)
2016-03-10 09:28:29 -03:00
BKE_ccg.h
…
BKE_cdderivedmesh.h
Fix T46215: Explode modifier looses textures
2015-09-23 22:57:00 +10:00
BKE_cloth.h
Cloth: Change ClothVertex::xrest to actually store the rest position.
2016-05-06 11:40:19 +03:00
BKE_collision.h
Replace MFace w/ vert-tri's for collision modifier
2015-07-31 14:00:07 +10:00
BKE_colortools.h
Cycles: Expose user-defined shutter curve to the interface
2015-10-28 02:43:06 +05:00
BKE_constraint.h
Cleanup: use const for typeinfo
2015-03-30 21:18:49 +11:00
BKE_context.h
Added Context.editable_objects/bases
2016-02-07 13:32:11 +13:00
BKE_crazyspace.h
DerivedMesh: cleanup & minor edirs
2015-07-02 16:20:22 +10:00
BKE_curve.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_customdata_file.h
…
BKE_customdata.h
Cleanup: use const args
2016-05-17 03:07:40 +10:00
BKE_data_transfer.h
Cleanup: warnings, style
2015-07-25 07:44:25 +10:00
BKE_deform.h
Fix group flipping when syncing mirror weights
2016-02-09 00:19:28 +11:00
BKE_depsgraph.h
Fix T45702: Editing smoke while viewport render and blender bug
2015-08-27 12:10:01 +02:00
BKE_DerivedMesh.h
EditMesh: Avoid creating deform-vert layer every redraw
2016-06-22 21:31:00 +10:00
BKE_displist.h
Cleanup: use BLI_bitmap for bevel-split
2016-06-25 11:24:25 +10:00
BKE_dynamicpaint.h
Dynamicpaint: fix (unreported) missing progress bar in early baking stage.
2016-05-21 16:09:35 +02:00
BKE_editmesh_bvh.h
BMesh: add BKE_bmbvh_find_face_closest
2015-12-14 00:16:05 +11:00
BKE_editmesh.h
Docs: doxy cleanup/minor edits
2015-08-01 12:37:52 +10:00
BKE_effect.h
Cleanup: redundant struct declarations
2015-03-29 03:56:39 +11:00
BKE_fcurve.h
Fix T48234: Glitch w/ action constraints sharing an action
2016-06-04 00:57:44 +10:00
BKE_fluidsim.h
Cleanup: redundant struct declarations
2015-03-29 03:56:39 +11:00
BKE_font.h
Integrate font objects copy/paste with system clipboard
2016-02-12 11:05:05 -02:00
BKE_freestyle.h
Freestyle: pass Main struct to new/copy
2015-03-19 14:34:14 +11:00
BKE_global.h
minor cleanup: typos
2016-01-04 01:25:52 -05:00
BKE_gpencil.h
GPencil: Layers with alpha = 0 should not be editable
2016-02-09 02:45:36 +13:00
BKE_group.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_icons.h
Expose PreviewImage & custom icons to py API.
2015-05-11 16:37:15 +02:00
BKE_idcode.h
Cleanup: BKE_idcode: idcode (types) are short, not int...
2015-10-15 16:12:00 +02:00
BKE_idprop.h
…
BKE_image.h
Fix (unreported) bad 'NULL freeing' with placeholder images.
2016-04-29 18:05:49 +02:00
BKE_ipo.h
…
BKE_key.h
Add functions to compute normals (verts, polys and loops ones) for a given shapekey.
2015-10-12 20:12:55 +02:00
BKE_lamp.h
First step to handle missing libs/datablocks when reading a file.
2015-10-20 14:44:57 +02:00
BKE_lattice.h
First step to handle missing libs/datablocks when reading a file.
2015-10-20 14:44:57 +02:00
BKE_library_idmap.h
readfile: optimization for undo
2016-06-07 17:27:52 +10:00
BKE_library_query.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_library_remap.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_library.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_linestyle.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_main.h
Cleanup: remove script ID-types
2015-10-23 01:20:01 +11:00
BKE_mask.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_material.h
Cleanup typo.
2015-12-28 00:37:07 +01:00
BKE_mball_tessellate.h
Metaball tessellation optimization (Octree to BVH)
2015-04-07 13:19:50 +10:00
BKE_mball.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_mesh_mapping.h
BKE Mesh mapping: add 'vert to looptri' mapping generator.
2016-05-21 15:20:06 +02:00
BKE_mesh_remap.h
Data Transfer: Add an option to 'auto-transform' destination mesh so that it matches best the source one.
2015-07-13 18:05:38 +02:00
BKE_mesh.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_modifier.h
Fix T47737: Lattice crashes w/ smooth modifier
2016-05-18 22:46:29 +10:00
BKE_movieclip.h
Cleanup: Get rid of remaining 'BKE_<id>_unlink()' functions, no more used anyway.
2016-06-25 18:36:27 +02:00
BKE_multires.h
Move tangents and baking to looptris:
2015-07-30 14:43:58 +02:00
BKE_navmesh_conversion.h
…
BKE_nla.h
NLA: Shift-Tab toggles tweakmode AND makes that track solo
2015-04-14 18:39:02 +12:00
BKE_node.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_object_deform.h
Weight Paint: Make multi-paint & mirror work as if bone selection was symmetric
2016-01-21 08:03:47 +11:00
BKE_object.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_ocean.h
Cleanup: unused defines
2015-11-12 18:54:26 +11:00
BKE_outliner_treehash.h
Cleanup: rename treehash -> outliner_treehash
2015-04-07 11:01:47 +10:00
BKE_packedFile.h
Auto pack: don't show "No new files have been packed" on every .blend file save.
2015-05-01 19:20:42 +02:00
BKE_paint.h
Fix T45258, impossible to select brush when removing it from 2d
2015-08-31 22:00:30 +03:00
BKE_particle.h
Fix T48658: Cycles render & render preview corrupts particles
2016-06-23 07:54:35 +10:00
BKE_pbvh.h
Optimize sculpt undo, avoid redundant updates
2016-02-13 18:59:56 +11:00
BKE_pointcache.h
Fix T47971: rigid body baking crash due to thread race condition.
2016-04-02 13:04:26 +02:00
BKE_property.h
…
BKE_report.h
Cleanup: readfile: cleanup a bit error messages.
2015-11-13 15:26:22 +01:00
BKE_rigidbody.h
Add rigidbodyworld to id looper.
2015-10-08 15:05:37 +02:00
BKE_sca.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_scene.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_screen.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_sequencer.h
Fix white balance, was doing unnecessary linear conversions
2016-02-16 00:07:03 +11:00
BKE_shrinkwrap.h
Shrink Wrap modifier: invert vgroup option
2016-03-07 11:24:03 +11:00
BKE_sketch.h
Transform Volume rewrite/refactor
2016-05-11 20:20:25 +10:00
BKE_smoke.h
Smoke, Dynamic Paint: de-duplicate object subframe update function.
2016-01-09 04:37:53 +01:00
BKE_softbody.h
…
BKE_sound.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_speaker.h
First step to handle missing libs/datablocks when reading a file.
2015-10-20 14:44:57 +02:00
BKE_subsurf.h
OpenSubdiv: Use pool for delayed OpenGL buffers free when freeing from non-main thread
2015-11-04 21:30:25 +05:00
BKE_suggestions.h
Use BLI_strncasecmp for text suggestions
2015-10-25 17:44:32 +11:00
BKE_text.h
Cleanup: get rid of BKE_text_unlink(), replace by usage of generic BKE_libblock_... API.
2016-06-25 18:12:23 +02:00
BKE_texture.h
Cycles: Point density texture support
2015-07-18 22:49:10 +02:00
BKE_tracking.h
Compositor: Speedup movie (un)distortion operation
2016-01-26 11:44:43 +01:00
BKE_unit.h
Cleanup: use const for units API
2016-05-03 13:52:07 +10:00
BKE_utildefines.h
…
BKE_world.h
ID-Remap - Step one: core work (cleanup and rework of generic ID datablock handling).
2016-06-22 17:53:50 +02:00
BKE_writeavi.h
Multi-View and Stereo 3D
2015-04-06 10:40:12 -03:00
BKE_writeffmpeg.h
Multi-View and Stereo 3D
2015-04-06 10:40:12 -03:00
BKE_writeframeserver.h
Cleanup
2015-04-07 08:46:48 +10:00
CMakeLists.txt
Cleanup: remove bad-level call
2016-06-25 21:19:54 +10:00
depsgraph_private.h
Fix T47266: Blender crashes from Scripted Expression in Driver
2016-02-03 14:40:02 +01:00
nla_private.h
…
tracking_private.h
…