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();
}
private int CompareParticlesAgainstCamera(Particle x, Particle y)
{
Vector3f tmp1 = activeCamera.getPosition().copy();
Vector3f tmp2 = activeCamera.getPosition().copy();
tmp1.subtract(x.position);
tmp2.subtract(y.position);
return (int)((tmp2.length2() - tmp1.length2()) * 1000000.0f);
}
public abstract void manipulate(Particle particle, Vector3f deltaVelocity, Color4f deltaColor, ref float deltaLife);
public override void manipulate(Particle particle, Vector3f deltaVelocity, Color4f deltaColor, ref float deltaLife)
{
deltaVelocity.add(direction);
deltaVelocity.stretch(strength);
}