public void Sorting()
{
var customFieldDesc = new ParticleFieldDescription<UInt32>("SomeField", 0);
const int maxParticles = 4;
var pool = new ParticlePool(0, maxParticles);
const bool forceCreation = true;
pool.FieldExists(ParticleFields.Position, forceCreation); // Force creation of the position field
pool.FieldExists(ParticleFields.RemainingLife, forceCreation); // Force creation of the life field
pool.FieldExists(customFieldDesc, forceCreation); // Force creation of the custom field we just declared
// We can extract them before the tight loop on all living particles
var posField = pool.GetField(ParticleFields.Position);
var lifeField = pool.GetField(ParticleFields.RemainingLife);
var customField = pool.GetField(customFieldDesc);
// Ad 4 particles
var particle1 = pool.AddParticle();
var particle2 = pool.AddParticle();
var particle3 = pool.AddParticle();
var particle4 = pool.AddParticle();
particle1.Set(customField, (uint)1);
particle2.Set(customField, (uint)2);
particle3.Set(customField, (uint)3);
particle4.Set(customField, (uint)4);
particle1.Set(lifeField, 0.4f);
particle2.Set(lifeField, 0.8f);
particle3.Set(lifeField, 0.2f);
particle4.Set(lifeField, 0.6f);
particle1.Set(posField, new Vector3(0, 0, 3));
particle2.Set(posField, new Vector3(0, 0, 9));
particle3.Set(posField, new Vector3(0, 0, 5));
particle4.Set(posField, new Vector3(0, 0, 1));
// Don't sort
uint[] sortedNone = { 1, 2, 3, 4 }; // List of expected values
{
var i = 0;
foreach (var particle in pool)
{
Assert.That(particle.Get(customField), Is.EqualTo(sortedNone[i++]));
}
}
// Sort by depth
uint[] sortedDepth = { 4, 1, 3, 2 }; // List of expected values
{
GetSortIndex<Vector3> sortByDepth = value => value.Z;
var depthSorter = new ParticleSorterCustom<Vector3>(pool, ParticleFields.Position, sortByDepth);
depthSorter.Sort();
var i = 0;
foreach (var particle in depthSorter)
{
Assert.That(particle.Get(customField), Is.EqualTo(sortedDepth[i++]));
}
}
// Sort by age
uint[] sortedAge = { 3, 1, 4, 2 }; // List of expected values
{
GetSortIndex<float> sortByAge = value => { return value; };
var ageSorter = new ParticleSorterCustom<float>(pool, ParticleFields.Life, sortByAge);
ageSorter.Sort();
var i = 0;
foreach (var particle in ageSorter)
{
Assert.That(particle.Get(customField), Is.EqualTo(sortedAge[i++]));
}
}
}
public void Sorting()
{
var customFieldDesc = new ParticleFieldDescription <UInt32>("SomeField", 0);
const int maxParticles = 4;
var pool = new ParticlePool(0, maxParticles);
const bool forceCreation = true;
pool.FieldExists(ParticleFields.Position, forceCreation); // Force creation of the position field
pool.FieldExists(ParticleFields.RemainingLife, forceCreation); // Force creation of the life field
pool.FieldExists(customFieldDesc, forceCreation); // Force creation of the custom field we just declared
// We can extract them before the tight loop on all living particles
var posField = pool.GetField(ParticleFields.Position);
var lifeField = pool.GetField(ParticleFields.RemainingLife);
var customField = pool.GetField(customFieldDesc);
// Ad 4 particles
var particle1 = pool.AddParticle();
var particle2 = pool.AddParticle();
var particle3 = pool.AddParticle();
var particle4 = pool.AddParticle();
particle1.Set(customField, (uint)1);
particle2.Set(customField, (uint)2);
particle3.Set(customField, (uint)3);
particle4.Set(customField, (uint)4);
particle1.Set(lifeField, 0.4f);
particle2.Set(lifeField, 0.8f);
particle3.Set(lifeField, 0.2f);
particle4.Set(lifeField, 0.6f);
particle1.Set(posField, new Vector3(0, 0, 3));
particle2.Set(posField, new Vector3(0, 0, 9));
particle3.Set(posField, new Vector3(0, 0, 5));
particle4.Set(posField, new Vector3(0, 0, 1));
// Don't sort
uint[] sortedNone = { 1, 2, 3, 4 }; // List of expected values
{
var i = 0;
foreach (var particle in pool)
{
Assert.That(particle.Get(customField), Is.EqualTo(sortedNone[i++]));
}
}
// Sort by depth
uint[] sortedDepth = { 4, 1, 3, 2 }; // List of expected values
{
GetSortIndex <Vector3> sortByDepth = value => value.Z;
var depthSorter = new ParticleSorterCustom <Vector3>(pool, ParticleFields.Position, sortByDepth);
depthSorter.Sort();
var i = 0;
foreach (var particle in depthSorter)
{
Assert.That(particle.Get(customField), Is.EqualTo(sortedDepth[i++]));
}
}
// Sort by age
uint[] sortedAge = { 3, 1, 4, 2 }; // List of expected values
{
GetSortIndex <float> sortByAge = value => { return(value); };
var ageSorter = new ParticleSorterCustom <float>(pool, ParticleFields.Life, sortByAge);
ageSorter.Sort();
var i = 0;
foreach (var particle in ageSorter)
{
Assert.That(particle.Get(customField), Is.EqualTo(sortedAge[i++]));
}
}
}