LiftDrag: fix error in torque when lift or drag are zero.

srmainwaring / asv_sim

This package contains plugins and models for the simulation of surface vessels in Gazebo.

GNU General Public License v3.0

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Closed srmainwaring closed 1 year ago

srmainwaring commented 1 year ago

Follow up to #17

When the AoA is zero, no lift is generated and the force is uninitialised. Fix this by setting lift and drag to zero.
Calculate torques after forces are corrected for nans.