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Sprite Kit and Inverse Kinematics with Swift

In this tutorial, learn how to use Sprite Kit's inverse kinematics to make a ninja punch and kick dynamically!


This is a companion discussion topic for the original entry at https://www.raywenderlich.com/1158-spritekit-and-inverse-kinematics-with-swift

Hi! iā€™m doing this tutorial, but when I add the code for punch with both fists, the game crashes and I get this error:
Ninja[2709:869213] fatal error: unexpectedly found nil while unwrapping an Optional value
(lldb)
Can you help me?

it was a blank space :triumph:
Thanks!

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! :]