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Smoke Bugfix: Turbulence was removed.

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This commit is contained in:
Daniel Genrich 2012-07-02 13:41:51 +00:00
parent 9f7af5ef7e
commit a0c6371b7f
1 changed files with 3 additions and 3 deletions
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6
intern/smoke/intern/FLUID_3D.cpp
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@ -1298,7 +1298,7 @@ void FLUID_3D::addVorticity(int zBegin, int zEnd)
N[2] = (_vorticity[out] - _vorticity[in]) * dz;
float magnitude = sqrtf(N[0] * N[0] + N[1] * N[1] + N[2] * N[2]);
if (magnitude > 0.0f)
if (magnitude > FLT_EPSILON)
{
magnitude = 1.0f / magnitude;
N[0] *= magnitude;
@ -1306,8 +1306,8 @@ void FLUID_3D::addVorticity(int zBegin, int zEnd)
N[2] *= magnitude;
_xForce[index] += (N[1] * _zVorticity[vIndex] - N[2] * _yVorticity[vIndex]) * _dx * eps;
_yForce[index] += (N[0] * _zVorticity[vIndex] - N[2] * _xVorticity[vIndex]) * _dx * eps;
_zForce[index] -= (N[0] * _yVorticity[vIndex] - N[1] * _xVorticity[vIndex]) * _dx * eps;
_yForce[index] += (N[2] * _xVorticity[vIndex] - N[0] * _zVorticity[vIndex]) * _dx * eps;
_zForce[index] += (N[0] * _yVorticity[vIndex] - N[1] * _xVorticity[vIndex]) * _dx * eps;
}
} // if
vIndex++;