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made some progress in saving and restoring the state during the simulation, with identical results.

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Option to de/serialize btPersistentContactManifolds and fix lossy conversion during btMultiBody de/serialization of base world transform
(serialize the quaternion, not the converted 3x3 matrix)
There are still several caches not taken into account, and btMultiBody links/constraints are not deserialized yet etc.
See examples\pybullet\examples\saveRestoreState.py for an example.
This commit is contained in:
Erwin Coumans
2017-12-30 14:19:13 -08:00
parent 29cfac096b
commit 0326fa93a8
22 changed files with 1840 additions and 1105 deletions
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29
data/planeMesh.urdf Normal file
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<?xml version="0.0" ?>
<robot name="plane">
<link name="planeLink">
<contact>
<lateral_friction value="1"/>
</contact>
<inertial>
<origin rpy="0 0 0" xyz="0 0 0"/>
<mass value=".0"/>
<inertia ixx="0" ixy="0" ixz="0" iyy="0" iyz="0" izz="0"/>
</inertial>
<visual>
<origin rpy="0 0 0" xyz="0 0 0"/>
<geometry>
<mesh filename="plane.obj" scale="1 1 1"/>
</geometry>
<material name="white">
<color rgba="1 1 1 1"/>
</material>
</visual>
<collision>
<origin rpy="0 0 0" xyz="0 0 0"/>
<geometry>
<mesh filename="plane.obj" scale="1 1 1"/>
</geometry>
</collision>
</link>
</robot>