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How to Make a Game Like Jetpack Joyride in Unity 2D – Part 2

In the second part of a three part series, you will be generating a series of endless rooms, allowing the user to fly through them.

This is a companion discussion topic for the original entry at

Hi Im using Unity 5.3.5f1 and after completing the 2nd part Im unable to turn the flames off for the jetpack when the mouse is grounded I had to update the AdjustJetpack function code to use with Unity 5.3.5f1 as soe of your code was deprecated. I was suggested the code from the forum but its not turning the particles off when the mouse is on the ground nor is it slowing it down while landing…

I think this will do the trick:

void AdjustJetpack(bool jetpackActive)
var em = jetpack.emission;
em.enabled = !grounded;
em.rate = jetpackActive ? 300.0f : 75.0f;

This tutorial is more than six months old so questions are no longer supported at the moment for it. We will update it as soon as possible. Thank you! :]