public void UpdateParticleMaterial(int index)
{
if (solver == null)
{
return;
}
UpdateParticleResolution(index);
ObiEmitterMaterialFluid fluidMaterial = emitterMaterial as ObiEmitterMaterialFluid;
int solverIndex = particleIndices[index];
solver.restDensities[solverIndex] = fluidMaterial != null ? fluidMaterial.restDensity : 0;
solver.viscosities[solverIndex] = fluidMaterial != null ? fluidMaterial.viscosity : 0;
solver.surfaceTension[solverIndex] = fluidMaterial != null ? fluidMaterial.surfaceTension : 0;
solver.buoyancies[solverIndex] = fluidMaterial != null ? fluidMaterial.buoyancy : -1;
solver.atmosphericDrag[solverIndex] = fluidMaterial != null ? fluidMaterial.atmosphericDrag : 0;
solver.atmosphericPressure[solverIndex] = fluidMaterial != null ? fluidMaterial.atmosphericPressure : 0;
solver.diffusion[solverIndex] = fluidMaterial != null ? fluidMaterial.diffusion : 0;
solver.userData[solverIndex] = fluidMaterial != null ? fluidMaterial.diffusionData : Vector4.zero;
Oni.ParticlePhase particlePhase = Oni.ParticlePhase.Fluid;
if (emitterMaterial != null && !(emitterMaterial is ObiEmitterMaterialFluid))
{
particlePhase = 0;
}
solver.phases[solverIndex] = Oni.MakePhase(fluidPhase, (selfCollisions?Oni.ParticlePhase.SelfCollide:0) | particlePhase);
}
public void UpdateParticleResolution(int index)
{
if (solver == null)
{
return;
}
ObiEmitterMaterialFluid fluidMaterial = emitterMaterial as ObiEmitterMaterialFluid;
int solverIndex = particleIndices[index];
float restDistance = (emitterMaterial != null) ? emitterMaterial.GetParticleSize(solver.parameters.mode) : 0.1f;
float pmass = (emitterMaterial != null) ? emitterMaterial.GetParticleMass(solver.parameters.mode) : 0.1f;
if (emitterMaterial != null && !(emitterMaterial is ObiEmitterMaterialFluid))
{
float randomRadius = UnityEngine.Random.Range(0, restDistance / 100.0f * (emitterMaterial as ObiEmitterMaterialGranular).randomness);
solver.principalRadii[solverIndex] = Vector3.one * Mathf.Max(0.001f + restDistance * 0.5f - randomRadius);
}
else
{
solver.principalRadii[solverIndex] = Vector3.one * restDistance * 0.5f;
}
solver.invRotationalMasses[solverIndex] = solver.invMasses[solverIndex] = 1 / pmass;
solver.smoothingRadii[solverIndex] = fluidMaterial != null?fluidMaterial.GetSmoothingRadius(solver.parameters.mode) : 1f / (10 * Mathf.Pow(1, 1 / (solver.parameters.mode == Oni.SolverParameters.Mode.Mode3D ? 3.0f : 2.0f)));
}
