Create a fade effect for after a crash
Create a new scene with Node as root
Select the AnimationPlayer node
Create a new animation called Fade
Set the duration to 0.25s
Click on the + to add a track
Attach a script to the Fade node
Add a reference to the AnimationPlayer
Create a function to play the animation
Select the AnimationPlayer node
Connect the animation finished signal
Code the signal to delete the fade when finished