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leg_3jnt_01 joint flipping problem #236

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Lohult opened this issue Aug 5, 2018 · 4 comments
Closed

leg_3jnt_01 joint flipping problem #236

Lohult opened this issue Aug 5, 2018 · 4 comments
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@Lohult
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Lohult commented Aug 5, 2018

Hi Miquel,

I have discovered a bit of a flipping problem with the leg_3jnt_01 component.

The leg component has joints ranging from leg_L0_0_jnt through to leg_L0_9_jnt followed by leg_L0_end_jnt.

The flipping occurs when rotating leg_L0_ik_ctl in positive X. 91.068 is the exact number where the flip occurs (the guide is kept in default arrangement for the test).

At 91.068 rotation X on the IK control leg_L0_9_jnt and leg_L0_end_jnt flips from zero to -180. When skinning to these joints it becomes quite obvious when the flipping occurs.

My use case is a cat leg and the IK controller get rotated to curl the paw while walking for example.

@Lohult Lohult closed this as completed Aug 8, 2018
@Lohult
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Lohult commented Aug 8, 2018

This problem can perhaps be fixed if the way the foot connects to the leg is setup in a way that it has a control that when rotated only affects the foot but when translated affects both ik effector and foot.

@miquelcampos miquelcampos reopened this Aug 8, 2018
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Hi @Lohult I will check this since I also have another bug in this component:
mgear-dev/shifter_classic_components#4

Thanks for the feedback :)

@miquelcampos miquelcampos self-assigned this Aug 8, 2018
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I moving this to the other repository https://github.com/mgear-dev/shifter_classic_components/issues/

@miquelcampos
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This issue was moved to mgear-dev/shifter_classic_components#11

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