Bone constraints have bugs around Limit locations and rotations as unknow shift other cases. #88761

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opened 2 years ago by ManBlender · 5 comments

System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 1650 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 456.71

Blender Version
Broken: version: 2.92.0, branch: master, commit date: 2021-02-24 16:25, hash: 02948a2cab
Worked: (newest version of Blender that worked as expected)

Short description of error
After adding Bone constraints around Limit locations and rotations, by seting checkbox true for x,y,z min/max, then object related to this constraints is moving/shifting in uknow value for user (not so far:).

Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]

  1. Add single bone
  2. Select Cube and bone, Parent >
    a) Bone ,or
    b) Armature deform
  3. Go to Pose mode, select bone, in Bone constraints preproties add Limit locations or rotations
  4. Mark the checkbox true for x,y,z min/max (in my cases for a) Bone moving object, on b) Armature moving bone)

limits_test.blend
blender_bone_limits.png

**System Information** Operating system: Windows-10-10.0.18362-SP0 64 Bits Graphics card: GeForce GTX 1650 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 456.71 **Blender Version** Broken: version: 2.92.0, branch: master, commit date: 2021-02-24 16:25, hash: `02948a2cab` Worked: (newest version of Blender that worked as expected) **Short description of error** After adding Bone constraints around Limit locations and rotations, by seting checkbox true for x,y,z min/max, then object related to this constraints is moving/shifting in uknow value for user (not so far:). **Exact steps for others to reproduce the error** [Please describe the exact steps needed to reproduce the issue] 1. Add single bone 2. Select Cube and bone, Parent > a) Bone ,or b) Armature deform 3. Go to Pose mode, select bone, in Bone constraints preproties add Limit locations or rotations 4. Mark the checkbox true for x,y,z min/max (in my cases for a) Bone moving object, on b) Armature moving bone) [limits_test.blend](https://archive.blender.org/developer/F10154991/limits_test.blend) ![blender_bone_limits.png](https://archive.blender.org/developer/F10154989/blender_bone_limits.png)
Poster

Added subscriber: @ManBlender

Added subscriber: @ManBlender
Mets commented 2 years ago
Collaborator

Added subscriber: @Mets

Added subscriber: @Mets
Mets commented 2 years ago
Collaborator

Changed status from 'Needs Triage' to: 'Archived'

Changed status from 'Needs Triage' to: 'Archived'
Mets closed this issue 2 years ago
Mets commented 2 years ago
Collaborator

Ij5l0b690H.mp4
This is working as intended, since you are constraining the bone to 0,0,0 in world space. The bone does not snap to a random place, it snaps to 0,0,0 in world space. You might want to change it to Local Space?

Closing for now, but if something else is happening for you, let me know.

[Ij5l0b690H.mp4](https://archive.blender.org/developer/F10159818/Ij5l0b690H.mp4) This is working as intended, since you are constraining the bone to 0,0,0 in world space. The bone does not snap to a random place, it snaps to 0,0,0 in world space. You might want to change it to Local Space? Closing for now, but if something else is happening for you, let me know.
Poster

It's this same case like here?
https://developer.blender.org/T88814#1171234
Thats mind, that I wrong understod something here.
I analysing the situation.
https://developer.blender.org/T73933

I should use Custom Space? Right?

What is reason the difference betwen Local space and Global space in Pose mode and Object mode?
Img is from Pose mode, and after G + 2x Y the axes have difrent orientation

pose_mode.png

Img is Object mode, and after G + 2x Y the axes are parallel not like in Pose.

object_mode.png

In boths Axes for objects (orange) are this same.

It's this same case like here? https://developer.blender.org/T88814#1171234 Thats mind, that I wrong understod something here. I analysing the situation. https://developer.blender.org/T73933 I should use Custom Space? Right? What is reason the difference betwen Local space and Global space in Pose mode and Object mode? Img is from Pose mode, and after G + 2x Y the axes have difrent orientation ![pose_mode.png](https://archive.blender.org/developer/F10160044/pose_mode.png) Img is Object mode, and after G + 2x Y the axes are parallel not like in Pose. ![object_mode.png](https://archive.blender.org/developer/F10160058/object_mode.png) In boths Axes for objects (orange) are this same.
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Reference: blender/blender#88761
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