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This fix is for 2.72.
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Failed on any cyclic poly line.
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Issue noted in T35952, now if you convert a free handle to an aligned handle,
it will move the selected handle.
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- lamp
- camera
- font
- empty & effector
Also fix inconsistency with apply transform
(modified shape-keys for meshes but not curve/lattice)
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curve factor.
Root of the issue goes to the fact that bevel list calculation might drop some points
if they're at the same position. This made spline length calculation goes wrong.
Now the length of the bevel segments is stored in the bevel list, so values are
always reliable.
Initial patch by Lukas Treyer with some tweaks from me.
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curves' splines and texts' letters.
Useful especially for importer addons.
Reviewers: campbellbarton
Reviewed By: campbellbarton
Differential Revision: https://developer.blender.org/D650
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also remove redundant check
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also allow passing NULL vertex to BKE_curve_nurb_vert_active_set
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Logic here was very stupid, texboxes would have their initial
locations scaled by font size but not their width/height.
Now its possible to change font size while keeping the textbox layout.
Other fixes
- tab character didn't work properly with textboxes.
- memory leak when VFontData was missing.
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for new ratio
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Regression since 94e5e2f.
Handbook example about what happens when you use copy-paste
and don't test code after you did a cleanup.
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The issue has been introduced in 0985bb4, made it so curves and masks
stick to old behavior.
FCurves are still flaky, namely, grabbing both handles selected would
change the length of one of the handles which is not nice imo.
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Opted to keep includes if they are used indirectly (even if removing is possible).
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Error in recent change to handle behavior
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With the right handle selected, the movement of the left handle appears constrained
to the frame it is currently on, leading to unpredictable and wild overshoots of the
bezier curve. There appears to be little benefit in doing so.
The effect of this patch is that makes it so that instead of trying (initially) to
maintain the same distance between the two handles and then overshooting randomly
later, the handles now try to keep the same distance from each other (i.e. similar
doing a rotation around the keyframe) at all times. While this means that it isn't
possible to set up assymetric handles (i.e. where ease in to the key is less than the
ease out for example) using aligned handles (it's still possible using free; it's just
a lot more work to keep them aligned), the benefits of removing of the random blips and jumps
when things jump outweight the losses.
Patch by Brecht
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Fix wrong quat being calculated for curve's path.
Also avoid some divisions by zero.
Happened in cases when all the curve points have the same coord.
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Summary:
The title actually says it all, it's just possible to
have independent free handles for mask splines. Also
it's now possible to have aligned handles displayed
as independent handles.
Required changes in quite a few places, but they're
rather straightforward.
From user perspective there's one really visible change
which is removed Handle Type menu from the panel. With
asymmetric handles it's not clear which handle type to
display there. So now the only way to change handle type
is via V-key menu.
Rewrote normal evaluation function to make it deal
with new type of handles we support. Now it works in
the following way:
- Offset the original spline by maximal weight
- Calculate vector between corresponding U positions
on offset and original spline
- Normalize this vector.
Seems to be giving more adequate results and doesn't
tend to self-intersect as much as old behavior used to,
There're still some changes which needed to be done, but
which are planned for further patch:
- Support colors and handle size via themes.
- Make handles color-coded, just the same as done for
regular bezier splines in 3D viewport.
Additional changes to make roto workflow even better:
- Use circles to draw handles
- Support AA for handles
- Change click-create-drag to change curvature of the
spline instead of adjusting point position.
Reviewers: campbellbarton
CC: sebastian_k, hype, cronk
Differential Revision: http://developer.blender.org/D121
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Bevel Factor Mapping allows to control the relation between bevel factors
(number between 0 and 1) and the rendered start and end point of a beveled
spline.
There are three options: "Resolution", "Segments", "Spline". "Resolution"
option maps bevel factors as it was done < 2.71, "Spline" and "Segments"
are new.
* "Resolution“: Map the bevel factor to the number of subdivisions of a
spline (U resolution).
* "Segments“: Map the bevel factor to the length of a segment and to the
number of subdivisions of a segment.
* "Spline": Map the bevel factor to the length of a spline.
Reviewers: yakca, sergey, campbellbarton
CC: sanne
Differential Revision: https://developer.blender.org/D294
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D395 from Henrik Aarnio with some improvements.
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gives strange behavior
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Also remove outdated comments.
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Animating large values with auto handles didn't work well,
(large variations on the Y axis would shrink handles).
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F-Curves with large Y axis had strange behavior where the handles could
stretch out on the X axis rather then clamping as they do at smaller sizes.
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also avoid calculating handle length when align isn't used.
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This isn't a proper fix, curve_cache should not be NULL, but it makes it
possible to open the file at least.
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