private void AddParticleGroup(WaveParticlesGroup group)
{
if (particleGroups.Length == numParticleGroups)
{
System.Array.Resize(ref particleGroups, numParticleGroups << 1);
}
for (++lastGroupIndex; lastGroupIndex < particleGroups.Length; ++lastGroupIndex)
{
if (particleGroups[lastGroupIndex] == null)
{
++numParticleGroups;
particleGroups[lastGroupIndex] = group;
return;
}
}
for (lastGroupIndex = 0; lastGroupIndex < particleGroups.Length; ++lastGroupIndex)
{
if (particleGroups[lastGroupIndex] == null)
{
++numParticleGroups;
particleGroups[lastGroupIndex] = group;
return;
}
}
}
private bool HasParticleGroup(WaveParticlesGroup group)
{
for (int i = 0; i < particleGroups.Length; ++i)
{
if (particleGroups[i] == group)
{
return(true);
}
}
return(false);
}
private bool RectContainsParticleGroup(WaveParticlesGroup group)
{
var particle = group.leftParticle;
if (!particle.isAlive)
{
return(false);
}
do
{
if (marginRect.Contains(particle.position))
{
return(true);
}
particle = particle.rightNeighbour;
}while(particle != null);
return(false);
}