/// <summary>
/// Calculates the effect from a Manipulator.
/// </summary>
/// <param name="playgroundParticles">Playground particles.</param>
/// <param name="thisManipulator">This manipulator.</param>
/// <param name="p">Particle index.</param>
/// <param name="t">Delta time.</param>
/// <param name="life">Lifetime.</param>
/// <param name="particlePosition">Particle position.</param>
/// <param name="manipulatorPosition">Manipulator position.</param>
/// <param name="manipulatorDistance">Manipulator distance.</param>
/// <param name="localSpace">Is calculation in local space?</param>
public static void CalculateManipulator(PlaygroundParticlesC playgroundParticles, ManipulatorObjectC thisManipulator, int p, float t, float life, Vector3 particlePosition, Vector3 manipulatorPosition, bool localSpace)
{
if (thisManipulator.enabled && thisManipulator.transform.available && thisManipulator.strength!=0 && thisManipulator.LifetimeFilter(life, playgroundParticles.lifetime) && thisManipulator.ParticleFilter (p, playgroundParticles.particleCount)) {
bool contains = thisManipulator.Contains(localSpace?(playgroundParticles.particleSystemRotation*particlePosition):particlePosition, localSpace?(playgroundParticles.particleSystemRotation*manipulatorPosition):manipulatorPosition);
// Is this a particle which shouldn't be affected by this manipulator?
if (contains && (playgroundParticles.playgroundCache.excludeFromManipulatorId[p]==thisManipulator.manipulatorId || thisManipulator.nonAffectedParticles.Count>0 && thisManipulator.ContainsNonAffectedParticle(playgroundParticles.particleSystemId, p))) {
return;
}
// Manipulator events
if (thisManipulator.trackParticles) {
// Particle entering
if (contains) {
if ((thisManipulator.trackingMethod==TrackingMethod.ManipulatorId && !thisManipulator.IsSameId(playgroundParticles.playgroundCache.manipulatorId[p])) || (thisManipulator.trackingMethod==TrackingMethod.ParticleId && !thisManipulator.ContainsParticle(playgroundParticles.particleSystemId, p))) {
playgroundParticles.playgroundCache.manipulatorId[p] = thisManipulator.manipulatorId;
thisManipulator.AddParticle(playgroundParticles.particleSystemId, p);
if (thisManipulator.sendEventEnter) {
playgroundParticles.UpdateEventParticle(thisManipulator.manipulatorEventParticle, p);
thisManipulator.SendParticleEventEnter();
}
}
} else {
// Particle exiting
if ((thisManipulator.trackingMethod==TrackingMethod.ManipulatorId && thisManipulator.IsSameId(playgroundParticles.playgroundCache.manipulatorId[p])) || (thisManipulator.trackingMethod==TrackingMethod.ParticleId && thisManipulator.ContainsParticle(playgroundParticles.particleSystemId, p))) {
playgroundParticles.playgroundCache.manipulatorId[p] = 0;
thisManipulator.RemoveParticle(playgroundParticles.particleSystemId, p);
if (thisManipulator.sendEventExit) {
playgroundParticles.UpdateEventParticle(thisManipulator.manipulatorEventParticle, p);
thisManipulator.SendParticleEventExit();
}
}
}
}
float manipulatorDistance = 0;
if (!playgroundParticles.onlySourcePositioning && !playgroundParticles.playgroundCache.noForce[p]) {
// Attractors
if (thisManipulator.type==MANIPULATORTYPEC.Attractor) {
if (contains) {
manipulatorDistance = thisManipulator.strengthDistanceEffect>0?Vector3.Distance (manipulatorPosition, playgroundParticles.playgroundCache.position[p])/thisManipulator.strengthDistanceEffect:10f;
playgroundParticles.playgroundCache.velocity[p] = Vector3.Lerp(playgroundParticles.playgroundCache.velocity[p], (manipulatorPosition-particlePosition)*(thisManipulator.strength/manipulatorDistance), t*(thisManipulator.strength/manipulatorDistance)/thisManipulator.strengthSmoothing);
}
} else
// Attractors Gravitational
if (thisManipulator.type==MANIPULATORTYPEC.AttractorGravitational) {
if (contains) {
manipulatorDistance = thisManipulator.strengthDistanceEffect>0?Vector3.Distance (manipulatorPosition, playgroundParticles.playgroundCache.position[p])/thisManipulator.strengthDistanceEffect:10f;
playgroundParticles.playgroundCache.velocity[p] = Vector3.Lerp(playgroundParticles.playgroundCache.velocity[p], (manipulatorPosition-particlePosition)*thisManipulator.strength/manipulatorDistance, t/thisManipulator.strengthSmoothing);
}
} else
// Repellents
if (thisManipulator.type==MANIPULATORTYPEC.Repellent) {
if (contains) {
manipulatorDistance = thisManipulator.strengthDistanceEffect>0?Vector3.Distance (manipulatorPosition, playgroundParticles.playgroundCache.position[p])/thisManipulator.strengthDistanceEffect:10f;
playgroundParticles.playgroundCache.velocity[p] = Vector3.Lerp(playgroundParticles.playgroundCache.velocity[p], (particlePosition-manipulatorPosition)*(thisManipulator.strength/manipulatorDistance), t*(thisManipulator.strength/manipulatorDistance)/thisManipulator.strengthSmoothing);
}
} else
// Vortex
if (thisManipulator.type==MANIPULATORTYPEC.Vortex) {
if (contains) {
manipulatorDistance = thisManipulator.strengthDistanceEffect>0?Vector3.Distance (manipulatorPosition, playgroundParticles.playgroundCache.position[p])/thisManipulator.strengthDistanceEffect:10f;
playgroundParticles.playgroundCache.velocity[p] = Vector3.Lerp(playgroundParticles.playgroundCache.velocity[p], ((manipulatorPosition-particlePosition)*thisManipulator.strength/manipulatorDistance)-Vector3.Cross(thisManipulator.transform.up, (manipulatorPosition-particlePosition))*thisManipulator.strength/manipulatorDistance, (t*thisManipulator.strength/manipulatorDistance)/thisManipulator.strengthSmoothing);
}
}
}
// Properties
if (thisManipulator.type==MANIPULATORTYPEC.Property) {
manipulatorDistance = thisManipulator.strengthDistanceEffect>0?Vector3.SqrMagnitude (manipulatorPosition - particlePosition)/thisManipulator.strengthDistanceEffect:10f;
PropertyManipulator(playgroundParticles, thisManipulator, thisManipulator.property, p, t, particlePosition, manipulatorPosition, manipulatorDistance, localSpace, contains);
} else
// Combined
if (thisManipulator.type==MANIPULATORTYPEC.Combined) {
manipulatorDistance = thisManipulator.strengthDistanceEffect>0?Vector3.SqrMagnitude (manipulatorPosition - particlePosition)/thisManipulator.strengthDistanceEffect:10f;
for (int i = 0; i<thisManipulator.properties.Count; i++)
PropertyManipulator(playgroundParticles, thisManipulator, thisManipulator.properties[i], p, t, particlePosition, manipulatorPosition, manipulatorDistance, localSpace, contains);
}
}
}
// Calculate the effect from a manipulator
public static void CalculateManipulator (PlaygroundParticlesC playgroundParticles, ManipulatorObjectC thisManipulator, int p, float t, float life, Vector3 particlePosition, Vector3 manipulatorPosition, float manipulatorDistance, bool localSpace) {
if (thisManipulator.enabled && thisManipulator.transform.available && thisManipulator.strength!=0 && thisManipulator.willAffect && thisManipulator.LifetimeFilter(life)) {
if (!playgroundParticles.onlySourcePositioning) {
// Attractors
if (thisManipulator.type==MANIPULATORTYPEC.Attractor) {
if (thisManipulator.Contains(particlePosition, manipulatorPosition)) {
playgroundParticles.playgroundCache.velocity[p] = Vector3.Lerp(playgroundParticles.playgroundCache.velocity[p], (manipulatorPosition-particlePosition)*(thisManipulator.strength/manipulatorDistance), t*(thisManipulator.strength/manipulatorDistance)/thisManipulator.strengthSmoothing);
}
} else
// Attractors Gravitational
if (thisManipulator.type==MANIPULATORTYPEC.AttractorGravitational) {
if (thisManipulator.Contains(particlePosition, manipulatorPosition)) {
playgroundParticles.playgroundCache.velocity[p] = Vector3.Lerp(playgroundParticles.playgroundCache.velocity[p], (manipulatorPosition-particlePosition)*thisManipulator.strength/manipulatorDistance, t/thisManipulator.strengthSmoothing);
}
} else
// Repellents
if (thisManipulator.type==MANIPULATORTYPEC.Repellent) {
if (thisManipulator.Contains(particlePosition, manipulatorPosition)) {
playgroundParticles.playgroundCache.velocity[p] = Vector3.Lerp(playgroundParticles.playgroundCache.velocity[p], (particlePosition-manipulatorPosition)*(thisManipulator.strength/manipulatorDistance), t*(thisManipulator.strength/manipulatorDistance)/thisManipulator.strengthSmoothing);
}
} else
// Vortex
if (thisManipulator.type==MANIPULATORTYPEC.Vortex) {
if (thisManipulator.Contains(particlePosition, manipulatorPosition)) {
playgroundParticles.playgroundCache.velocity[p] = Vector3.Lerp(playgroundParticles.playgroundCache.velocity[p], ((manipulatorPosition-particlePosition)*thisManipulator.strength/manipulatorDistance)-Vector3.Cross(thisManipulator.transform.up, (manipulatorPosition-particlePosition))*thisManipulator.strength/manipulatorDistance, (t*thisManipulator.strength/manipulatorDistance)/thisManipulator.strengthSmoothing);
}
}
}
// Properties
if (thisManipulator.type==MANIPULATORTYPEC.Property) {
PropertyManipulator(playgroundParticles, thisManipulator, thisManipulator.property, p, t, particlePosition, manipulatorPosition, manipulatorDistance, localSpace);
} else
// Combined
if (thisManipulator.type==MANIPULATORTYPEC.Combined) {
for (int i = 0; i<thisManipulator.properties.Count; i++)
PropertyManipulator(playgroundParticles, thisManipulator, thisManipulator.properties[i], p, t, particlePosition, manipulatorPosition, manipulatorDistance, localSpace);
}
}
}