press space to place an object hold 'D' and tap on an object to delete it drag objects build with em or wat ever :D
all work by me thanks a lot, to dkuniverse on YouTube for the "HOW TO CREATE A PHYSICS ENGINE IN SCRATCH!!!" tutorial video links: first project using this physics engine- https://scratch.mit.edu/projects/1026765134/ TurboWarp: https://turbowarp.org/1158494324