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) * rigidbody.mass * inverseVolume;
}
else
{
impulse *= fluidVolume.density;
}
Vector3 min = new Vector3(bounds.min.x, fluidVolume.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);
}
}
}
private void SimulateBuoyancy(FluidVolume fluidVolume)
{
Bounds bounds = buoyancyCollider.bounds;
bounds.Expand(boundsExtentBias);
Vector3 min = new Vector3(bounds.min.x, fluidVolume.collider.bounds.min.y, bounds.min.z);
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) * rigidbody.mass * inverseVolume;
}
else
{
impulse *= fluidVolume.density;
}
bool submerged = false;
bool completelySubmerged = true;
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;
float height = fluidVolume.RelativeHeightAtPoint(start);
RaycastHit lowerHit;
if (buoyancyCollider.Raycast(new Ray(start, Vector3.up), out lowerHit, height))
{
submerged = true;
float fluidBoxHeight = lowerHit.distance;
RaycastHit upperHit;
if (buoyancyCollider.Raycast(new Ray(start + Vector3.up * height, Vector3.down), out upperHit, height))
{
fluidBoxHeight += upperHit.distance;
}
else
{
completelySubmerged = false;
}
float sampleBoxHeight = height - fluidBoxHeight;
float sampleVolume = sampleBoxHeight * tangentOffset * bitangentOffset;
rigidbody.AddForceAtPosition(Vector3.up * (sampleVolume * impulse), lowerHit.point, ForceMode.Impulse);
}
}
}
if (!submerged)
{
completelySubmerged = false;
}
if (submerged)
{
totalDrag += dragScalar * fluidVolume.rigidbodyDrag;
totalAngularDrag += angularDragScalar * fluidVolume.rigidbodyAngularDrag;
totalSubmerged = true;
if (completelySubmerged)
{
totalCompletelySubmerged = true;
}
}
}
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) * rigidbody.mass * inverseVolume;
}
else
{
impulse *= fluidVolume.density;
}
Vector3 min = new Vector3(bounds.min.x, fluidVolume.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);
}
}
}