Age | Commit message (Collapse) | Author |
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When the input vector gets close to -Y, y and theta becomes totally
unreliable. It is thus necessary to compute the result in a different
way based on x and z. The code already had a special case, but:
- The threshold for using the special case was way too low.
- The special case was not precise enough to extend the threshold.
- The special case math had a sign error, resulting in a jump.
This adds tests for the computation precision and fixes the issues
by adjusting the threshold, and replacing the special case with one
based on a quadratic Taylor expansion of sqrt instead of linear.
Replacing the special case fixes the bug and results in a compatibility
break, requiring versioning for the roll of affected bones.
Differential Revision: https://developer.blender.org/D9551
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Separate the huge test into huge logical parts and add more cases
to check. Also add a utility to check that the matrix is orthogonal,
with arbitrary epsilon values and calculations in double.
A couple of tests deliberately fail, to be fixed in following commits.
Ref D9551
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Fix segfault in `BKE_armature_find_selected_bones_test` by property
initializing the bone hierarchy listbases.
No functional changes to Blender.
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Remove the assumption of the pose library that Action groups are named
after the bones in the armature. Even though this assumption is correct
when the keys are created by Blender, action groups can be renamed. Keys
created by Python scripts can also use arbitrary group names.
Since there is more code in Blender making this assumption, and looping
over selected bones is also a common occurrence, this commit contains
some generic functionality to aid in this:
- `BKE_armature_find_selected_bones`: function that iterates over all
bones in an armature and calls a callback for each selected one. It
returns a struct with info about the selection states (all or no bones
selected).
- `BKE_armature_find_selected_bone_names(armature)` uses the above
function to return a set of selected bone names.
- `BKE_pose_find_fcurves_with_bones()` calls a callback for each FCurve
in an Action that targets a bone, also passing it the bone name.
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The function vec_roll_to_mat3_normalized() basically has to handle 3 scenarios:
- When a bone is oriented along the negative Y axis
- When a bone is very close to the negative Y axis
- All other cases
The tests in the Differential make sure that all 3 situations are covered.
Reviewed By: sybren, mont29
Differential Revision: https://developer.blender.org/D9525
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Follow our code style guide by using C-comments for text descriptions.
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This commit introduces a new way to build unit tests. It is now possible
for each module to generate its own test library. The tests in these
libraries are then bundled into a single executable.
The test executable can be run with `ctest`. Even though the tests
reside in a single executable, they are still exposed as individual
tests to `ctest`, and thus can be selected via its `-R` argument.
Not yet ported tests still build & run as before.
The following rules apply:
- Test code should reside in the same directory as the code under test.
- Tests that target functionality in `somefile.{c,cc}` should reside in
`somefile_test.cc`.
- The namespace for tests is the `tests` sub-namespace of the code under
test. For example, tests for `blender::bke` should be in
`blender::bke:tests`.
- The test files should be listed in the module's `CMakeLists.txt` in a
`blender_add_test_lib()` call. See the `blenkernel` module for an
example.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D7649
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