I got the shader working- it's fantastic.Thank you for helping!This is the result of me testing it (if you want I can get a few screenshots of it in use later.
I'm glad we managed to fix the problem! Please, don't hesitate in contacting me again if you have any issues again.
On another note: whenever you have a minute, could you please leave a review here in the product page in a new topic? That would really help!
Good luck with your game!