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Particles with arbitrary geoms and joints.

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Fixes #553

PiperOrigin-RevId: 486614769
Change-Id: I9a09bf73da97b6b9746800a72ac6c97cce2efa92
This commit is contained in:
Alessio Quaglino
2022-11-07 03:21:36 -08:00
committed by Copybara-Service
parent fd4d47e4a5
commit 3b89b0fd30
10 changed files with 283 additions and 51 deletions
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model/composite/particle_free.xml
+43
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<!-- Copyright 2021 DeepMind Technologies Limited
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<mujoco model="Particle">
<include file="scene.xml"/>
<option solver="CG" tolerance="1e-6" timestep=".01"/>
<size nconmax="6000" njmax="6000" nstack="50000000"/>
<visual>
<map stiffness="100"/>
</visual>
<default>
<default class="wall">
<geom type="plane" size=".5 .5 .05"/>
</default>
</default>
<worldbody>
<geom name="+x" class="wall" zaxis="1 0 0" pos="-.5 0 -.25"/>
<geom name="-x" class="wall" zaxis="-1 0 0" pos=".5 0 -.25"/>
<geom name="+y" class="wall" zaxis="0 1 0" pos="0 -.5 -.25"/>
<geom name="-y" class="wall" zaxis="0 -1 0" pos="0 .5 -.25"/>
<composite type="particle" count="3 3 3" spacing="0.07" offset="0 0 1">
<geom type="box" size=".025 .025 .025" rgba=".8 .2 .1 1" condim="3"/>
<joint kind="particle" type="free"/>
</composite>
</worldbody>
</mujoco>
model/composite/particle_free2d.xml
+45
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<!-- Copyright 2021 DeepMind Technologies Limited
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<mujoco model="Particle">
<include file="scene.xml"/>
<option solver="CG" tolerance="1e-6" timestep=".01"/>
<size nconmax="6000" njmax="6000" nstack="50000000"/>
<visual>
<map stiffness="100"/>
</visual>
<default>
<default class="wall">
<geom type="plane" size=".5 .5 .05"/>
</default>
</default>
<worldbody>
<geom name="+x" class="wall" zaxis="1 0 0" pos="-.5 0 -.25"/>
<geom name="-x" class="wall" zaxis="-1 0 0" pos=".5 0 -.25"/>
<geom name="+y" class="wall" zaxis="0 1 0" pos="0 -.5 -.25"/>
<geom name="-y" class="wall" zaxis="0 -1 0" pos="0 .5 -.25"/>
<composite type="particle" count="15 15 1" spacing="0.06" offset="0 0 .1">
<geom type="ellipsoid" size=".025 .02 .015" rgba=".8 .2 .1 1"/>
<joint kind="particle" type="slide" axis="1 0 0"/>
<joint kind="particle" type="slide" axis="0 1 0"/>
<joint kind="particle" type="hinge" axis="0 0 1"/>
</composite>
</worldbody>
</mujoco>