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Merge pull request #2255 from pacomont/Particles_go_downwind

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Particles should go downwind (while windCoefficient >0)
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Areloch 2018-07-12 15:34:35 -05:00 committed by GitHub
parent e6e5e24d23 07b76cbfb2
commit 1ea59ed7df
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
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4
Engine/source/T3D/fx/particleEmitter.cpp
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@ -1390,7 +1390,7 @@ void ParticleEmitter::emitParticles(const Point3F& start,
Point3F a = last_part->acc;
a -= last_part->vel * last_part->dataBlock->dragCoefficient;
a -= mWindVelocity * last_part->dataBlock->windCoefficient;
a += mWindVelocity * last_part->dataBlock->windCoefficient;
//a += Point3F(0.0f, 0.0f, -9.81f) * last_part->dataBlock->gravityCoefficient;
a.z += -9.81f*last_part->dataBlock->gravityCoefficient; // as long as gravity is a constant, this is faster
@ -1750,7 +1750,7 @@ void ParticleEmitter::update( U32 ms )
{
Point3F a = part->acc;
a -= part->vel * part->dataBlock->dragCoefficient;
a -= mWindVelocity * part->dataBlock->windCoefficient;
a += mWindVelocity * part->dataBlock->windCoefficient;
a.z += -9.81f*part->dataBlock->gravityCoefficient; // AFX -- as long as gravity is a constant, this is faster
part->vel += a * t;