public override void manipulate(Particle particle, Vector3f deltaVelocity, Color4f deltaColor, ref float deltaLife)
{
Vector3f tmp = this.position.diff(particle.position);
float len2 = tmp.length2();
if (len2 > size2)
return;
else if (len2 < threshold2)
{
deltaVelocity.set(particle.velocity);
deltaVelocity.stretch(strength);
deltaVelocity.invert();
return;
}
len2 = size2 / len2;
deltaVelocity.set(tmp);
deltaVelocity.stretch(strength);
deltaVelocity.stretch(len2);
}
public override void manipulate(Particle particle, Vector3f deltaVelocity, Color4f deltaColor, ref float deltaLife)
{
deltaVelocity.set(particle.velocity);
deltaVelocity.stretch(strength);
deltaVelocity.invert();
}
