public void Simulate(float duration)
{
var steps = duration / Interval;
for (var i = 0; i < steps; i++)
{
for (int j = 0; j < Amount; j++)
{
// create the particle
var particle = new Particle();
var pos = Entity.Position + Position + Calc.Random.Range(-Range, Range);
if (Direction.HasValue)
{
particle = Type.Create(ref particle, pos, Direction.Value);
}
else
{
particle = Type.Create(ref particle, pos);
}
particle.Track = Track;
// simulate for a duration
var simulateFor = duration - Interval * i;
if (particle.SimulateFor(simulateFor))
{
System.Add(particle);
}
}
}
}
public void Emit(ParticleType type, Entity track, int amount, Vector2 position, Vector2 positionRange, float direction)
{
for (int i = 0; i < amount; i++)
{
type.Create(ref particles[nextSlot], track, Calc.Random.Range(position - positionRange, position + positionRange), direction, type.Color);
nextSlot = (nextSlot + 1) % particles.Length;
}
}
public void Emit(ParticleType type, Vector2 position)
{
type.Create(ref particles[nextSlot], position);
nextSlot = (nextSlot + 1) % particles.Length;
}
public void Emit(ParticleType type, Vector2 position, Color color, float direction)
{
type.Create(ref particles[nextSlot], position, color, direction);
nextSlot = (nextSlot + 1) % particles.Length;
}
public void Emit(ParticleType type, Vector2 position, float direction)
{
type.Create(ref particles[nextSlot], position, direction);
nextSlot = (nextSlot + 1) % particles.Length;
}
public void Emit(ParticleType type, Vector2 position, float direction)
{
particles[GetParticleSlot()] = type.Create(position, direction);
}