You can shoot by clicking or the space bar. You can also aim with the mouse. And Drag the tank with the mouse too. Have fun!
Thanks to @griffpatch for the physics and outline code. https://www.youtube.com/watch?v=Ge1DbXkyMKo https://www.youtube.com/watch?v=KWZldY-Xtpw This is just a simulator, not a game. The game is here: https://scratch.mit.edu/projects/991123661/