public void Update()
{
if (Emitting)
{
if (_timer >= ParticleFrequency)
{
for (int i = 0; i < Amount; i++)
{
GenerateParticle();
}
_timer = 0;
}
}
foreach (var particle in Particles)
{
if (particle.LifeTime <= 0)
{
ParticlesToRemove.Enqueue(particle);
continue;
}
particle.LifeTime--;
particle.Velocity += LinearAccel;
particle.Position += particle.Velocity * Time.DeltaTime;
particle.Rotation += particle.AngularVelocity;
particle.Scale -= ScaleDecrease * Time.DeltaTime;
if (particle.Scale <= 0f)
{
ParticlesToRemove.Enqueue(particle);
}
}
foreach (var particleToRemove in ParticlesToRemove)
{
Particles.Remove(particleToRemove);
}
ParticlesToRemove.Clear();
if (Emitting)
{
_timer++;
}
else
{
_timer = 0;
}
}
private void CheckCollisions(Particle particle)
{
if (ParticlesToRemove.Contains(particle))
{
return;
}
var particles = GetNearbyParticles(particle, CollisionRadius);
var particleList = new List <Particle>();
foreach (var part in particles)
{
if (!ParticlesToRemove.Contains(part))
{
particleList.Add(part);
}
}
if (particleList.Count > 1)
{
React(particle, particleList);
}
}