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Worked around the 'kart shaking when braking' problem.

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git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/branches/irrlicht@3465 178a84e3-b1eb-0310-8ba1-8eac791a3b58
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hikerstk 2009-05-04 23:27:13 +00:00
parent 092183844f
commit 14b49c58cb
1 changed files with 8 additions and 0 deletions
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8
src/physics/btKart.cpp
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@ -425,6 +425,14 @@ void btKart::updateFriction(btScalar timeStep)
btScalar maxImpulse = wheelInfo.m_brake ? wheelInfo.m_brake : defaultRollingFrictionImpulse; btScalar maxImpulse = wheelInfo.m_brake ? wheelInfo.m_brake : defaultRollingFrictionImpulse;
btWheelContactPoint contactPt(m_chassisBody,groundObject,wheelInfo.m_raycastInfo.m_contactPointWS,m_forwardWS[wheel],maxImpulse); btWheelContactPoint contactPt(m_chassisBody,groundObject,wheelInfo.m_raycastInfo.m_contactPointWS,m_forwardWS[wheel],maxImpulse);
rollingFriction = calcRollingFriction(contactPt); rollingFriction = calcRollingFriction(contactPt);
// This is a work around for the problem that a kart shakes
// if it is braking: we get a minor impulse forward, which
// bullet then tries to offset by applying a backward
// impulse - which is a bit too big, causing a impulse
// backwards, ... till the kart is shaking backwards and
// forwards
if(wheelInfo.m_brake && fabsf(rollingFriction)<10)
rollingFriction=0;
} }
} }