double jump

is it possible to make double jump (dash) gsc script?

Hmm jump x2 higher?

I Meant Jump X2 Times Not 2 Higher but thanks

Oh!
[code]
something()
{
self notifyOnPlayerCommand("jump", something here);
while(1)
{
self waittill("jump");
self waittill("jump");
i = self getVelocity();
self setVelocity(i+(0, 0, i[2]*2));
}
}