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Add magic factor as in vanilla MW to gravity affector (Bug #2147)

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This commit is contained in:
scrawl 2015-04-05 00:02:35 +02:00
parent 304d7e544f
commit 1eafecd30c
1 changed files with 5 additions and 2 deletions
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7
components/nifosg/particle.cpp
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@ -183,19 +183,22 @@ void GravityAffector::beginOperate(osgParticle::Program* program)
void GravityAffector::operate(osgParticle::Particle *particle, double dt)
{
const float magic = 1.6f;
switch (mType)
{
case Type_Wind:
particle->addVelocity(mCachedWorldPositionDirection * mForce * dt);
particle->addVelocity(mCachedWorldPositionDirection * mForce * dt * magic);
break;
case Type_Point:
{
osg::Vec3f diff = mCachedWorldPositionDirection - particle->getPosition();
diff.normalize();
particle->addVelocity(diff * mForce * dt);
particle->addVelocity(diff * mForce * dt * magic);
break;
}
}
// velocity *= e^-[(dist/decay)^2]
}
Emitter::Emitter()