protected override void LateRun()
{
if (_particleSystem == null)
{
return;
}
lock (locker)
{
if (particles == null || particles.Length != _particleSystem.maxParticles)
{
particles = new ParticleSystem.Particle[_particleSystem.maxParticles];
if (particleControllers == null)
{
particleControllers = new ParticleController.Particle[_particleSystem.maxParticles];
}
else
{
ParticleController.Particle[] newControllers = new ParticleController.Particle[_particleSystem.maxParticles];
for (int i = 0; i < newControllers.Length; i++)
{
if (i >= particleControllers.Length)
{
break;
}
newControllers[i] = particleControllers[i];
}
particleControllers = newControllers;
}
}
particleCount = _particleSystem.GetParticles(particles);
bool isLocal = _particleSystem.simulationSpace == ParticleSystemSimulationSpace.Local;
Transform particleSystemTransform = _particleSystem.transform;
for (int i = 0; i < particleCount; i++)
{
if (particles[i].remainingLifetime <= 0f)
{
continue;
}
if (isLocal)
{
particles[i].position = particleSystemTransform.TransformPoint(particles[i].position);
particles[i].velocity = particleSystemTransform.TransformDirection(particles[i].velocity);
}
HandleParticle(i);
if (isLocal)
{
particles[i].position = particleSystemTransform.InverseTransformPoint(particles[i].position);
particles[i].velocity = particleSystemTransform.InverseTransformDirection(particles[i].velocity);
}
}
_particleSystem.SetParticles(particles, particleCount);
}
}
void HandleParticle(int index)
{
#if UNITY_5_5_OR_NEWER
float lifePercent = particles[index].remainingLifetime / particles[index].startLifetime;
#else
float lifePercent = particles[index].lifetime / particles[index].startLifetime;
#endif
if (particleControllers[index] == null)
{
particleControllers[index] = new ParticleController.Particle();
}
if (lifePercent > particleControllers[index].lifePercent)
{
OnParticleBorn(index);
}
float lifeDelta = particleControllers[index].lifePercent - lifePercent;
switch (motionType)
{
case MotionType.FollowForward: particleControllers[index].splinePercent += lifeDelta * particleControllers[index].speed; break;
case MotionType.FollowBackward: particleControllers[index].splinePercent -= lifeDelta * particleControllers[index].speed; break;
}
if (particleControllers[index].splinePercent < 0f)
{
if (wrapMode == Wrap.Loop)
{
particleControllers[index].splinePercent += 1f;
}
if (wrapMode == Wrap.Default)
{
particleControllers[index].splinePercent = 0f;
}
}
else if (particleControllers[index].splinePercent > 1f)
{
if (wrapMode == Wrap.Loop)
{
particleControllers[index].splinePercent -= 1f;
}
if (wrapMode == Wrap.Default)
{
particleControllers[index].splinePercent = 1f;
}
}
if (motionType == MotionType.FollowBackward || motionType == MotionType.FollowForward || motionType == MotionType.None)
{
Evaluate(evaluateResult, UnclipPercent(particleControllers[index].splinePercent));
particles[index].position = evaluateResult.position;
if (volumetric)
{
Vector3 right = -Vector3.Cross(evaluateResult.direction, evaluateResult.normal);
Vector2 offset = particleControllers[index].startOffset;
if (motionType != MotionType.None)
{
offset = Vector2.Lerp(particleControllers[index].startOffset, particleControllers[index].endOffset, 1f - particleControllers[index].lifePercent);
}
particles[index].position += right * offset.x * scale.x * evaluateResult.size + evaluateResult.normal * offset.y * scale.y * evaluateResult.size;
}
particles[index].velocity = evaluateResult.direction;
}
particleControllers[index].lifePercent = lifePercent;
}
void HandleParticle(int index)
{
float lifePercent = particles[index].remainingLifetime / particles[index].startLifetime;
if (particleControllers[index] == null)
{
particleControllers[index] = new ParticleController.Particle();
}
if (lifePercent > particleControllers[index].lifePercent)
{
OnParticleBorn(index);
}
// if (particleControllers[index].lifePercent > lifePercent && lifePercent <= Time.deltaTime) OnParticleDeath(index);
float lifeDelta = particleControllers[index].lifePercent - lifePercent;
switch (motionType)
{
case MotionType.FollowForward: particleControllers[index].splinePercent += lifeDelta * particleControllers[index].speed; break;
case MotionType.FollowBackward: particleControllers[index].splinePercent -= lifeDelta * particleControllers[index].speed; break;
}
if (particleControllers[index].splinePercent < 0f)
{
if (wrapMode == Wrap.Loop)
{
particleControllers[index].splinePercent += 1f;
}
if (wrapMode == Wrap.Default)
{
particleControllers[index].splinePercent = 0f;
}
}
else if (particleControllers[index].splinePercent > 1f)
{
if (wrapMode == Wrap.Loop)
{
particleControllers[index].splinePercent -= 1f;
}
if (wrapMode == Wrap.Default)
{
particleControllers[index].splinePercent = 1f;
}
}
if (motionType == MotionType.FollowBackward || motionType == MotionType.FollowForward || motionType == MotionType.None)
{
SplineResult result = Evaluate(DMath.Lerp(clipFrom, clipTo, particleControllers[index].splinePercent));
particles[index].position = result.position;
if (volumetric)
{
Vector3 right = -Vector3.Cross(result.direction, result.normal);
Vector2 offset = particleControllers[index].startOffset;
if (motionType != MotionType.None)
{
offset = Vector2.Lerp(particleControllers[index].startOffset, particleControllers[index].endOffset, 1f - particleControllers[index].lifePercent);
}
particles[index].position += right * offset.x * scale.x * result.size + result.normal * offset.y * scale.y * result.size;
}
particles[index].velocity = result.direction;
}
particleControllers[index].lifePercent = lifePercent;
}