public void RemoveRuntimeCondition(RuntimeCondition condition)
{
positions = NativeArrayUtils.RemoveRange(positions, condition.startIndex, condition.numberOfParticles);
positionsCopy = NativeArrayUtils.RemoveRange(positionsCopy, condition.startIndex, condition.numberOfParticles);
velocities = NativeArrayUtils.RemoveRange(velocities, condition.startIndex, condition.numberOfParticles);
masses = NativeArrayUtils.RemoveRange(masses, condition.startIndex, condition.numberOfParticles);
particles = NativeArrayUtils.RemoveRange(particles, condition.startIndex, condition.numberOfParticles);
nTotal -= condition.numberOfParticles;
pSystem.SetParticles(particles, nTotal);
int conditionIndex = runtimeConditionsSet.IndexOf(condition);
for (int i = conditionIndex + 1; i < runtimeConditionsSet.Count; i++)
{
runtimeConditionsSet[i].startIndex -= condition.numberOfParticles;
}
runtimeConditionsSet.Remove(condition);
}
public void AddInitialConditions(List <InitialCondition> initialConditions)
{
int nTotalOld = nTotal;
int n = nTotalOld;
for (int j = 0; j < initialConditions.Count; j++)
{
runtimeConditionsSet.Add(
new RuntimeCondition
{
startIndex = n,
numberOfParticles = initialConditions[j].numberOfParticles
}
);
for (int i = 0; i < initialConditions[j].numberOfParticles; i++)
{
n++;
}
}
nTotal = n;
if (!positions.IsCreated || positions.Length == 0)
{
positions = new NativeArray <double3>(n, Allocator.Persistent);
positionsCopy = new NativeArray <double3>(n, Allocator.Persistent);
velocities = new NativeArray <double3>(n, Allocator.Persistent);
masses = new NativeArray <double>(n, Allocator.Persistent);
particles = new ParticleSystem.Particle[n];
}
else
{
positions = NativeArrayUtils.Append(positions, new NativeArray <double3>(nTotal - nTotalOld, Allocator.Persistent));
positionsCopy = NativeArrayUtils.Append(positionsCopy, new NativeArray <double3>(nTotal - nTotalOld, Allocator.Persistent));
velocities = NativeArrayUtils.Append(velocities, new NativeArray <double3>(nTotal - nTotalOld, Allocator.Persistent));
masses = NativeArrayUtils.Append(masses, new NativeArray <double>(nTotal - nTotalOld, Allocator.Persistent));
particles = NativeArrayUtils.Append(particles, new ParticleSystem.Particle[nTotal - nTotalOld]);
}
n = 0;
for (int j = 0; j < initialConditions.Count; j++)
{
UnityEngine.Random.InitState(initialConditions[j].seed);
for (int i = 0; i < initialConditions[j].numberOfParticles; i++)
{
float3 randPos = ElipsoidRandom(initialConditions[j].shapeElipsoid, initialConditions[j].center, initialConditions[j].radius);
int k = n + nTotalOld;
positions[k] = randPos;
positionsCopy[k] = randPos;
float3 crossProd = initialConditions[j].angularVelocity * Vector3.Cross(Vector3.up, randPos);
velocities[k] = crossProd;
float3 turbulence = ElipsoidRandom(initialConditions[j].turbulenceElipsoid, float3.zero, initialConditions[j].turbulenceStrength);
velocities[k] += turbulence;
masses[k] = UnityEngine.Random.Range(0.1f, 100f);
particles[k].position = randPos;
particles[k].angularVelocity = 0f;
particles[k].rotation = 0f;
particles[k].velocity = new Vector3(0f, 0f, 0f);
particles[k].startLifetime = 10f;
particles[k].remainingLifetime = 10f - UnityEngine.Random.Range(0f, 1f);
particles[k].startSize = 0.1f;
particles[k].startColor = Color.white;
n++;
}
}
pSystem.SetParticles(particles, nTotal);
}