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<mujoco>
<option jacobian="dense" density="1.225" viscosity="1.8e-5" wind="0 0 1">
<flag fwdinv="enable" energy="enable" island="enable"/>
</option>
<asset>
<mesh name="icosahedron" scale=".05 .05 .05"
vertex="0 1 1.618
0 -1 1.618
0 1 -1.618
0 -1 -1.618
1 1.618 0
-1 1.618 0
1 -1.618 0
-1 -1.618 0
1.618 0 1
1.618 0 -1
-1.618 0 1
-1.618 0 -1"/>
<hfield name="hfield" nrow="3" ncol="3" size=".2 .2 .03 .03"
elevation="1 0 1
0 1 0
1 0 1"/>
<texture builtin="gradient" height="100" rgb1="1 1 1" rgb2="0 0 0" type="skybox" width="100"/>
<texture name="grid" type="cube" builtin="checker" width="32" height="32" rgb1=".1 .2 .3" rgb2="1 1 1"/>
<material name="grid" texture="grid" texrepeat="1 1" texuniform="true" reflectance=".2"/>
</asset>
<default>
<site rgba=".5 .5 .5 .5"/>
<joint armature="1" damping="10"/>
<general ctrllimited="true" ctrlrange="-1 1"/>
<default class="hip0">
<joint springref="30" stiffness="60"/>
</default>
<default class="hip1">
<joint limited="true" range="-60 60" stiffness="10"/>
</default>
<default class="wheel">
<joint damping=".1" armature=".1"/>
</default>
</default>
<worldbody>
<light pos="0 0 3"/>
<geom name="floor" type="plane" size="4 4 .1" margin="0.01" gap="0.005"/>
<geom type="hfield" hfield="hfield" pos="-.4 .6 .05" rgba="0 0 1 1"/>
<body name="head" pos="0 0 .7" gravcomp="0.5">
<geom type="ellipsoid" size=".2 .2 .4" density="200" material="grid"/>
<site name="head" pos="0 0 .4" size=".1 .1 .05" type="box"/>
<site name="anchor0" pos="0 .2 0"/>
<site name="anchor_knee" pos="-.16 -.16 0"/>
<site name="rf" pos="0 0 -0.41" zaxis="0 0 -1"/>
<freejoint/>
<body euler="0 0 0" pos=".2 0 -.2">
<joint name="hipz_0" class="hip1" axis="0 0 1"/>
<joint name="hipy_0" class="hip0" axis="0 1 0"/>
<geom type="capsule" size=".05" rgba="1 0 0 1" fromto="0 0 0 .3 0 0"/>
<body pos=".3 0 0">
<site name="knee"/>
<geom type="capsule" size=".05" rgba="1 0 0 1" fromto="0 0 0 .1 0 -.3"/>
<body pos=".1 0 -.3">
<joint name="wheel_0" type="ball" class="wheel"/>
<site name="wheel_0" type="box" size=".1 .1 .1"/>
<geom name="wheel_0" size=".1 .2 .1" rgba="0 1 0 1" type="ellipsoid"/>
</body>
</body>
</body>
<body euler="0 0 120" pos="-.15 .2 -.2">
<joint name="hipz_1" class="hip1" axis="0 0 1"/>
<joint name="hipy_1" class="hip0" axis="0 1 0"/>
<geom type="box" size=".05" rgba="1 0 0 1" fromto="0 0 0 .3 0 0"/>
<geom type="box" size=".05" rgba="1 0 0 1" fromto=".3 0 0 .4 0 -.3"/>
<body pos=".45 0 -.3">
<joint name="wheel_1" axis="1 0 0" class="wheel"/>
<geom size=".1" rgba="0 1 0 1" type="cylinder" fromto="0 0 0 .03 0 0"/>
<site name="wheel_1" type="box" size=".02 .11 .11" pos=".015 0 0"/>
</body>
</body>
<body euler="0 0 240" pos="-.15 -.2 -.2">
<joint name="hipz_2" class="hip1" axis="0 0 1"/>
<joint name="hipy_2" class="hip0" axis="0 1 0"/>
<geom type="capsule" size=".05" rgba="1 0 0 1" fromto="0 0 0 .3 0 0"/>
<geom type="capsule" size=".05" rgba="1 0 0 1" fromto=".3 0 0 .4 0 -.3"/>
<site name="knee_2" pos=".3 0 .05"/>
<body pos=".45 0 -.3">
<joint name="wheel_2" axis="1 0 0" class="wheel"/>
<geom size=".1" rgba="0 1 0 1" type="cylinder" fromto="0 0 0 .03 0 0" margin="0.01"/>
<site name="wheel_2" size=".13" rgba="0 0 0 0.1" type="cylinder" fromto="-.01 0 0 .04 0 0"/>
</body>
</body>
</body>
<body pos="-.33 0 1">
<joint name="slider" type="slide" axis="0 0 1" limited="true" range="-.2 .5"/>
<joint type="hinge" axis="0 1 0"/>
<geom type="mesh" mesh="icosahedron" size=".1" rgba="0 0 1 1"/>
</body>
<body name="cylinder" pos="-.5 .3 .7">
<freejoint/>
<geom name="wrapping" type="cylinder" size=".04" fromto="-.1 -.2 0 .1 .4 0"/>
<site name="cylinder"/>
</body>
<site name="sidesite" pos="-.5 .4 1"/>
<body pos="-.3 .6 .8">
<freejoint/>
<geom type="box" size=".05 .05 .05" rgba="0 0 1 1"/>
<site name="anchor1" pos=".05 .05 .05"/>
</body>
<body pos="-.6 .4 .8">
<freejoint/>
<geom type="box" size=".05 .05 .05" rgba="0 0 1 1"/>
<site name="anchor2" pos=".05 .05 .05"/>
</body>
<body name="tumbling" pos="-.2 .3 1">
<freejoint/>
<geom type="box" size=".025 .01 0.0001" pos=".025 0 0" euler="20 0 0" mass="1e-4" fluidshape="ellipsoid"/>
<geom type="box" size=".025 .01 0.0001" pos="-.025 0 0" euler="-19 0 0" mass="1e-4" fluidshape="ellipsoid"/>
</body>
<body pos="-.2 .3 .8">
<geom type="sdf" mesh="icosahedron" size=".1" rgba="0 0 1 1"/>
</body>
</worldbody>
<equality>
<weld body1="world" body2="cylinder"/>
</equality>
<tendon>
<spatial name="spatial" limited="true" range="0 .7" rgba="1 0 1 1">
<site site="anchor0"/>
<site site="anchor1"/>
<geom geom="wrapping" sidesite="sidesite"/>
<site site="anchor2"/>
</spatial>
<spatial name="knee" limited="true" range=".4 .5" rgba="1 0 1 1" armature="0.1">
<site site="anchor_knee"/>
<site site="knee_2"/>
</spatial>
<fixed name="fixed">
<joint joint="hipy_0" coef="1"/>
<joint joint="hipy_1" coef="1"/>
</fixed>
</tendon>
<actuator>
<motor tendon="fixed" gear="100"/>
<motor tendon="spatial" gear="10"/>
<motor joint="hipy_2" gear="100"/>
<position joint="hipz_1" kp="100"/>
<position joint="hipz_2" kp="100"/>
<velocity joint="wheel_2" kv="1"/>
<intvelocity joint="hipz_0" kp="100" actrange="-1 1"/>
<general site="wheel_0" gear="0 0 0 0 10 0" dyntype="filter" dynprm="1"/>
<general joint="wheel_1" biastype="affine" dyntype="integrator" dynprm="1" biasprm="0 -1"/>
<general joint="hipy_1" actearly="true" dyntype="filterexact" dynprm="0.9" gear="12.1" />
</actuator>
<sensor>
<framepos objtype="site" objname="wheel_0" reftype="site" refname="wheel_2"/>
<rangefinder site="rf" data="dist dir origin point normal depth"/>
<gyro site="wheel_2"/>
<touch site="wheel_1"/>
<force site="knee"/>
<torque site="knee"/>
<force site="cylinder"/>
<torque site="cylinder"/>
<jointlimitfrc joint="slider"/>
<accelerometer site="head"/>
<subtreeangmom body="head"/>
</sensor>
<keyframe>
<key name="start"
qpos="0.0133625 -0.013799 0.659429 0.999776 0.019159 0.00902704 0.000572574 -0.00776575 0.0983289 0.999861 -0.00869796 -0.0141805 0.000912197 0.00700633 0.0930296 0.00637469 -0.00313231 0.119692 0.0051478 -0.0469067 0 -0.500224 0.300659 0.69913 1 -0.000367766 -0.000265698 -0.000109715 -0.319851 0.525628 0.702735 0.29858 0.698263 -0.0490604 -0.648746 -0.579432 0.4206 0.749601 0.900145 -0.208463 0.346664 -0.161576 -0.200033 0.300084 0.976421 0.878429 -0.00171382 0.00127086 -0.477867"
qvel="0.508861 -0.243772 -0.327162 0.549686 1.13746 0.0282475 -0.0865243 1.06414 -0.239958 -0.532111 -0.00133789 -0.0654491 0.533148 -0.253161 0.122149 0.824764 0.723529 -0.674175 0 -0.00154509 -0.00568917 0.00479921 0.00541817 0.00115895 0.00317796 -0.160161 -0.599488 -1.38103 14.9789 -1.05454 -13.9252 -0.31223 -0.0102486 -0.405851 5.43992 -4.71514 0.114928 -0.00123758 0.000187845 -0.244109 -0.190199 0.0697975 -16.3286"/>
</keyframe>
<custom>
<numeric name="numeric" data="1 2 3"/>
<text name="text" data="abc"/>
<tuple name="tuple">
<element objtype="body" objname="cylinder" prm="1"/>
<element objtype="joint" objname="hipz_0" prm="2"/>
</tuple>
</custom>
</mujoco>
48bcdf22cThis file is pinned to the selected release. Download the original to open it in your design tool.