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Vivian reported that the caster angle of the Hunter was experiencing

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"jitter" when the aircraft was stopped.  This is a fundamental
characteristic of the gear model, and can't be fixed without major
surgery (and not a small amount of blinding insight).  But we can at
least clamp it so the value can't change unless the wheel is moving
with a nontrivial velocity (5cm/sec in this case).
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andy 2005-11-02 18:34:06 +00:00
parent add06e613d
commit d61bcae165
1 changed files with 5 additions and 1 deletions
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4
src/FDM/YASim/Gear.cpp
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@ -272,6 +272,10 @@ void Gear::calcForce(RigidBody* body, State *s, float* v, float* rot)
if(_castering) { if(_castering) {
_rollSpeed = Math::sqrt(vsteer*vsteer + vskid*vskid); _rollSpeed = Math::sqrt(vsteer*vsteer + vskid*vskid);
// Don't modify caster angle when the wheel isn't moving,
// or else the angle will animate the "jitter" of a stopped
// gear.
if(_rollSpeed > 0.05)
_casterAngle = Math::atan2(vskid, vsteer); _casterAngle = Math::atan2(vskid, vsteer);
return; return;
} else { } else {