public override Particle emit(ParticleFactory particleFactory)
{
Vector3f tmp = new Vector3f(0.5f - random.NextDouble(), 0.5f - random.NextDouble(), 0.5f - random.NextDouble());
tmp.stretch(new Vector3f((float)random.NextDouble() * side.x, (float)random.NextDouble() * side.y, (float)random.NextDouble() * side.z));
tmp.add(position);
return particleFactory.createParticle(tmp, false, null);
}
public override Particle emit(ParticleFactory particleFactory)
{
Vector3f tmp = new Vector3f(0.5f - random.NextDouble(), 0.5f - random.NextDouble(), 0.5f - random.NextDouble());
tmp.Normalize();
tmp.stretch(radius);
tmp.add(position);
return particleFactory.createParticle(tmp, false, null);
}
public Particle createParticle(Vector3f emitterPosition, bool emitterUseDirection, Vector3f emitterDirection)
{
Color4f color = new Color4f((maximumColor.a - minimalColor.a) * random.NextDouble() + minimalColor.a,
(maximumColor.r - minimalColor.r) * random.NextDouble() + minimalColor.r,
(maximumColor.g - minimalColor.g) * random.NextDouble() + minimalColor.g,
(maximumColor.b - minimalColor.b) * random.NextDouble() + minimalColor.b);
Vector3f velocity = new Vector3f((maximumInitialVelocity.x - minimalInitialVelocity.x) * random.NextDouble(),
(maximumInitialVelocity.y - minimalInitialVelocity.y) * random.NextDouble(),
(maximumInitialVelocity.z - minimalInitialVelocity.z) * random.NextDouble());
velocity.add(minimalInitialVelocity);
float particleLife = minimalParticleLife;
float t = (maximumParticleLife - minimalParticleLife);
particleLife += t * (float)random.NextDouble();
return new BillboardedParticle(emitterPosition.copy(), velocity, gravity, color, particleLife, size);
}
public override void manipulate(Particle particle, Vector3f deltaVelocity, Color4f deltaColor, ref float deltaLife)
{
deltaVelocity.add(direction);
deltaVelocity.stretch(strength);
}
