so here it is,,... however not sure how it will perform when you will try to jump through platforms since its a solid. i wold make a custom event bounce effect
[attachment=1:7cjoi6a6][/attachment:7cjoi6a6]
eh and here is the one that allows u to jump through platforms and still rejecting bullets
[attachment=0:7cjoi6a6][/attachment:7cjoi6a6]
for the shield to make it invisible just set the opacity to 0