Cool idea! I really like the use of lights to give player abilities!
How did you manage to make the sadow solid with the green light?
Thank you for your feedback! I'll explain to you the technical side of the shadows (considering you know Unity) :
And it works with platforms anywhere:
Hope this helps you understand how the shadows work. I was really proud of what I manage to do, so I was very happy when you asked your question! Thank you! :)