(Java code) Ever heard of Doodle Jump? If so, I'm trying to mimic the way they do their platforms. (Endless runner style) they seem so evenly spread out even with the monsters and blackholes they have...

For example, if I messed up and made part of the sprite missing, how do I reset everything, and make it looks as if I never opened skinning editor? In case you don't know, skinning editor is in sprite...

My question is very messed up so i need the professional help to get more information and hints. I am making a flutter app that has one page, on the middle of that page there will be an image of a bui...

I have 2 dimensions, such row=6 and col=5. The size can change. How can I create an 2D empty array. Following approach is NOT what I am looking for, because it does not contains anything. $arr = arra...