private void SimulateBuoyancy(FluidVolume fluidVolume)
{
Bounds bounds = buoyancyCollider.bounds;
bounds.Expand(boundsExtentBias);
float tangentOffset = bounds.size.x / (float)samples;
float bitangentOffset = bounds.size.z / (float)samples;
float impulse = -Physics.gravity.y * Time.fixedDeltaTime;
if (useWeighting)
{
impulse *= (weightFactor + weightFactorBias) * GetComponent <Rigidbody>().mass *inverseVolume;
}
else
{
impulse *= fluidVolume.density;
}
Vector3 min = new Vector3(bounds.min.x, fluidVolume.GetComponent <Collider>().bounds.min.y, bounds.min.z);
for (int x = 0; x < samples; x++)
{
for (int z = 0; z < samples; z++)
{
Vector3 offset = new Vector3(tangentOffset * ((float)x + 0.5f), 0.0f, bitangentOffset * ((float)z + 0.5f));
Vector3 start = min + offset;
ApplySampleImpulse(start, tangentOffset, bitangentOffset, fluidVolume.RelativeHeightAtPoint(start), impulse);
}
}
}
