void Solver_OnStepEnd(object sender, System.EventArgs e)
{
if (solver == null)
{
return;
}
ReallocateParticles();
for (int i = 0; i < alive; ++i)
{
positions[i] = particles[i].position;
}
Oni.InterpolateDiffuseParticles(solver.OniSolver, solver.velocities.GetIntPtr(), positions.GetIntPtr(), velocities.GetIntPtr(), neighbourCount.GetIntPtr(), alive);
for (int i = 0; i < alive; ++i)
{
// kill the particle if it has very few neighbors:
if (neighbourCount[i] < minNeighbors)
{
particles[i].remainingLifetime = 0;
}
particles[i].velocity = velocities[i];
}
ps.SetParticles(particles, alive);
}
public void Initialize()
{
// Tear everything down first:
Teardown();
try{
// Create a default material:
defaultFluidMaterial = ScriptableObject.CreateInstance <ObiEmitterMaterialFluid>();
defaultFluidMaterial.hideFlags = HideFlags.HideAndDontSave;
// Create the Oni solver:
oniSolver = Oni.CreateSolver(maxParticles);
// Initialize moving transform:
InitializeTransformFrame();
actors = new List <ObiActor>();
activeParticles = new int[maxParticles];
particleToActor = new ParticleInActor[maxParticles];
materialIndices = new int[maxParticles];
fluidMaterialIndices = new int[maxParticles];
positions = new AlignedVector4Array(maxParticles);
Oni.SetParticlePositions(oniSolver, positions.GetIntPtr());
startPositions = new AlignedVector4Array(maxParticles);
Oni.SetParticleStartPositions(oniSolver, startPositions.GetIntPtr());
prevPositions = new AlignedVector4Array(maxParticles);
Oni.SetParticlePreviousPositions(oniSolver, prevPositions.GetIntPtr());
restPositions = new AlignedVector4Array(maxParticles);
Oni.SetRestPositions(oniSolver, restPositions.GetIntPtr());
velocities = new AlignedVector4Array(maxParticles);
Oni.SetParticleVelocities(oniSolver, velocities.GetIntPtr());
orientations = new AlignedQuaternionArray(maxParticles, Quaternion.identity);
Oni.SetParticleOrientations(oniSolver, orientations.GetIntPtr());
startOrientations = new AlignedQuaternionArray(maxParticles, Quaternion.identity);
Oni.SetParticleStartOrientations(oniSolver, startOrientations.GetIntPtr());
prevOrientations = new AlignedQuaternionArray(maxParticles, Quaternion.identity);
Oni.SetParticlePreviousOrientations(oniSolver, prevOrientations.GetIntPtr());
restOrientations = new AlignedQuaternionArray(maxParticles, Quaternion.identity);
Oni.SetRestOrientations(oniSolver, restOrientations.GetIntPtr());
angularVelocities = new AlignedVector4Array(maxParticles);
Oni.SetParticleAngularVelocities(oniSolver, angularVelocities.GetIntPtr());
invMasses = new AlignedFloatArray(maxParticles);
Oni.SetParticleInverseMasses(oniSolver, invMasses.GetIntPtr());
invRotationalMasses = new AlignedFloatArray(maxParticles);
Oni.SetParticleInverseRotationalMasses(oniSolver, invRotationalMasses.GetIntPtr());
principalRadii = new AlignedVector4Array(maxParticles);
Oni.SetParticlePrincipalRadii(oniSolver, principalRadii.GetIntPtr());
phases = new AlignedIntArray(maxParticles);
Oni.SetParticlePhases(oniSolver, phases.GetIntPtr());
renderablePositions = new AlignedVector4Array(maxParticles);
Oni.SetRenderableParticlePositions(oniSolver, renderablePositions.GetIntPtr());
renderableOrientations = new AlignedQuaternionArray(maxParticles, Quaternion.identity);
Oni.SetRenderableParticleOrientations(oniSolver, renderableOrientations.GetIntPtr());
anisotropies = new AlignedVector4Array(maxParticles * 3);
Oni.SetParticleAnisotropies(oniSolver, anisotropies.GetIntPtr());
smoothingRadii = new AlignedFloatArray(maxParticles);
Oni.SetParticleSmoothingRadii(oniSolver, smoothingRadii.GetIntPtr());
buoyancies = new AlignedFloatArray(maxParticles);
Oni.SetParticleBuoyancy(oniSolver, buoyancies.GetIntPtr());
restDensities = new AlignedFloatArray(maxParticles);
Oni.SetParticleRestDensities(oniSolver, restDensities.GetIntPtr());
viscosities = new AlignedFloatArray(maxParticles);
Oni.SetParticleViscosities(oniSolver, viscosities.GetIntPtr());
surfaceTension = new AlignedFloatArray(maxParticles);
Oni.SetParticleSurfaceTension(oniSolver, surfaceTension.GetIntPtr());
vortConfinement = new AlignedFloatArray(maxParticles);
Oni.SetParticleVorticityConfinement(oniSolver, vortConfinement.GetIntPtr());
atmosphericDrag = new AlignedFloatArray(maxParticles);
atmosphericPressure = new AlignedFloatArray(maxParticles);
Oni.SetParticleAtmosphericDragPressure(oniSolver, atmosphericDrag.GetIntPtr(), atmosphericPressure.GetIntPtr());
diffusion = new AlignedFloatArray(maxParticles);
Oni.SetParticleDiffusion(oniSolver, diffusion.GetIntPtr());
vorticities = new AlignedVector4Array(maxParticles);
Oni.SetParticleVorticities(oniSolver, vorticities.GetIntPtr());
fluidData = new AlignedVector4Array(maxParticles);
Oni.SetParticleFluidData(oniSolver, fluidData.GetIntPtr());
userData = new AlignedVector4Array(maxParticles);
Oni.SetParticleUserData(oniSolver, userData.GetIntPtr());
externalForces = new AlignedVector4Array(maxParticles);
Oni.SetParticleExternalForces(oniSolver, externalForces.GetIntPtr());
externalTorques = new AlignedVector4Array(maxParticles);
Oni.SetParticleExternalTorques(oniSolver, externalTorques.GetIntPtr());
wind = new AlignedVector4Array(maxParticles);
Oni.SetParticleWinds(oniSolver, wind.GetIntPtr());
positionDeltas = new AlignedVector4Array(maxParticles);
Oni.SetParticlePositionDeltas(oniSolver, positionDeltas.GetIntPtr());
orientationDeltas = new AlignedQuaternionArray(maxParticles, new Quaternion(0, 0, 0, 0));
Oni.SetParticleOrientationDeltas(oniSolver, orientationDeltas.GetIntPtr());
positionConstraintCounts = new AlignedIntArray(maxParticles);
Oni.SetParticlePositionConstraintCounts(oniSolver, positionConstraintCounts.GetIntPtr());
orientationConstraintCounts = new AlignedIntArray(maxParticles);
Oni.SetParticleOrientationConstraintCounts(oniSolver, orientationConstraintCounts.GetIntPtr());
normals = new AlignedVector4Array(maxParticles);
Oni.SetParticleNormals(oniSolver, normals.GetIntPtr());
invInertiaTensors = new AlignedVector4Array(maxParticles);
Oni.SetParticleInverseInertiaTensors(oniSolver, invInertiaTensors.GetIntPtr());
// Initialize parameters:
UpdateParameters();
}catch (Exception exception) {
Debug.LogException(exception);
}finally{
initialized = true;
};
}