void Solver_OnFluidUpdated(object sender, Obi.ObiSolver.ObiFluidEventArgs e)
{
for (int i = 0; i < e.indices.Length; ++i)
{
//Debug.DrawRay(solver.renderablePositions[e.indices[i]],e.vorticities[e.indices[i]]*0.05f,Color.red);
Debug.DrawRay(solver.renderablePositions[e.indices[i]], -e.normals[e.indices[i]] * 0.5f, Color.blue);
}
}
void Solver_OnFluidUpdated(object sender, ObiSolver.ObiFluidEventArgs e)
{
if (!isActiveAndEnabled)
{
return;
}
for (int i = 0; i < emitter.particleIndices.Length; ++i)
{
int k = emitter.particleIndices[i];
float v = e.vorticities[k].z;
if (v > 0)
{
emitter.colors[i] = Color.Lerp(Color.white, Color.red, v);
}
else
{
emitter.colors[i] = Color.Lerp(Color.white, Color.blue, -v);
}
}
}
void Solver_OnFluidUpdated(object sender, ObiSolver.ObiFluidEventArgs e)
{
if (!isActiveAndEnabled || advector == null || advector.solver == null)
{
return;
}
if (emitLocations == null)
{
emitLocations = new List <Vector4>(emitter.particleIndices.Length);
}
accumTime += Time.deltaTime;
// calculate emission budget for this frame:
int emitAmount = Mathf.FloorToInt(emissionRate * accumTime);
// remove used emission time from accumulator:
accumTime -= emitAmount / emissionRate;
if (emitAmount == 0)
{
return;
}
ParticleSystem.EmitParams param = new ParticleSystem.EmitParams();
emitLocations.Clear();
// loop trough particles and decide where we should emit foam from:
for (int i = 0; i < emitter.particleIndices.Length; ++i)
{
int k = emitter.particleIndices[i];
float vorticity = e.vorticities[k].magnitude;
if (vorticity > vorticityThreshold && e.densities[k] < densityThreshold)
{
emitLocations.Add(((ObiSolver)sender).renderablePositions[k]);
}
}
// calculate how many particles we must skip each iteration to meet the budget:
int step = Mathf.Max(1, Mathf.FloorToInt(emitLocations.Count / (float)emitAmount));
// emit particles:
if (advector.solver.parameters.mode == Oni.SolverParameters.Mode.Mode3D)
{
for (int i = UnityEngine.Random.Range(0, step - 1); i < emitLocations.Count; i += step)
{
param.position = emitLocations[i] + (Vector4)UnityEngine.Random.insideUnitSphere * randomness;
advector.Particles.Emit(param, 1);
}
}
else
{
for (int i = UnityEngine.Random.Range(0, step - 1); i < emitLocations.Count; i += step)
{
param.position = emitLocations[i] + (Vector4)UnityEngine.Random.insideUnitCircle * randomness;
advector.Particles.Emit(param, 1);
}
}
}
