<mujoco model="swimmer">
  <compiler angle="degree" coordinate="local" inertiafromgeom="true"/>
  <option collision="predefined" density="4000" integrator="RK4" timestep="0.01" viscosity="0.1"/>
  <default>
    <geom conaffinity="1" condim="1" contype="1" material="geom" rgba="0.8 0.6 .4 1"/>
    <joint armature="0.1"/>
  </default>
  <asset>
    <texture builtin="gradient" height="100" rgb1="1 1 1" rgb2="0 0 0" type="skybox" width="100"/>
    <texture builtin="flat" height="1278" mark="cross" markrgb="1 1 1" name="texgeom" random="0.01" rgb1="0.8 0.6 0.4" rgb2="0.8 0.6 0.4" type="cube" width="127"/>
    <texture builtin="checker" height="100" name="texplane" rgb1="0 0 0" rgb2="0.8 0.8 0.8" type="2d" width="100"/>
    <material name="MatPlane" reflectance="0.5" shininess="1" specular="1" texrepeat="30 30" texture="texplane"/>
    <material name="geom" texture="texgeom" texuniform="true"/>
  </asset>

  <worldbody>
    <light cutoff="100" diffuse="1 1 1" dir="-0 0 -1.3" directional="true" exponent="1" pos="0 0 1.3" specular=".1 .1 .1"/>
    <geom conaffinity="1" condim="3" material="MatPlane" name="floor" pos="0 0 -0.1" rgba="0.8 0.9 0.8 1" size="40 40 0.1" type="plane"/>
    <body name="podBody_1" pos="0 0 0">
      <camera name="track" mode="trackcom" pos="-4.4 -10 10" xyaxes="1 0 0 0 1 1"/>
      <geom name="pod_1" density="1000" fromto="0 0 0 -1 0 0" size="0.1" type="capsule"/>
      <joint axis="1 0 0" name="slider1" pos="0 0 0" type="slide"/>
      <joint axis="0 1 0" name="slider2" pos="0 0 0" type="slide"/>
      <joint axis="0 0 1" name="rot_1" pos="-1.5 0 0" type="hinge"/>
      <site name="tip" pos="0 0 0" size="0.02 0.02"/>
      <body name="podBody_2" pos="-1 0 0">
        <geom name="pod_2" density="1000" fromto="0 0 0 -1 0 0" size="0.1" type="capsule"/>
        <joint axis="0 0 1" limited="true" name="rot_2" pos="0 0 0" range="-100 100" type="hinge"/>

        <body name="podBody_3" pos="-1 0 0">
          <geom name="pod_3" density="1000" fromto="0 0 0 -1 0 0" size="0.1" type="capsule"/>
          <joint axis="0 0 1" limited="true" name="rot_3" pos="0 0 0" range="-100 100" type="hinge"/>


          <body name="podBody_4" pos="-1 0 0">
            <geom name="pod_4" density="1000" fromto="0 0 0 -1 0 0" size="0.1" type="capsule"/>
            <joint axis="0 0 1" limited="true" name="rot_4" pos="0 0 0" range="-100 100" type="hinge"/>


            <body name="podBody_5" pos="-1 0 0">
              <geom name="pod_5" density="1000" fromto="0 0 0 -1 0 0" size="0.1" type="capsule"/>
              <joint axis="0 0 1" limited="true" name="rot_5" pos="0 0 0" range="-100 100" type="hinge"/>


              <body name="podBody_6" pos="-1 0 0">
                <geom name="pod_6" density="1000" fromto="0 0 0 -1 0 0" size="0.1" type="capsule"/>
                <joint axis="0 0 1" limited="true" name="rot_6" pos="0 0 0" range="-100 100" type="hinge"/>


                <body name="podBody_7" pos="-1 0 0">
                  <geom name="pod_7" density="1000" fromto="0 0 0 -1 0 0" size="0.1" type="capsule"/>
                  <joint axis="0 0 1" limited="true" name="rot_7" pos="0 0 0" range="-100 100" type="hinge"/>


                  <body name="podBody_8" pos="-1 0 0">
                    <geom name="pod_8" density="1000" fromto="0 0 0 -1 0 0" size="0.1" type="capsule"/>
                    <joint axis="0 0 1" limited="true" name="rot_8" pos="0 0 0" range="-100 100" type="hinge"/>

                  </body>
                </body>
              </body>
            </body>
          </body>
        </body>

      </body>
    </body>
  </worldbody>
  <actuator>
    <motor ctrllimited="true" ctrlrange="-1 1" gear="150.0" joint="rot_2"/>
    <motor ctrllimited="true" ctrlrange="-1 1" gear="150.0" joint="rot_3"/>
    <motor ctrllimited="true" ctrlrange="-1 1" gear="150.0" joint="rot_4"/>
    <motor ctrllimited="true" ctrlrange="-1 1" gear="150.0" joint="rot_5"/>
    <motor ctrllimited="true" ctrlrange="-1 1" gear="150.0" joint="rot_6"/>
    <motor ctrllimited="true" ctrlrange="-1 1" gear="150.0" joint="rot_7"/>
    <motor ctrllimited="true" ctrlrange="-1 1" gear="150.0" joint="rot_8"/>
  </actuator>

</mujoco>
