Collision detection with clones (ID recognition)

the simulation gets stuck. Is there another way to do this， I just realized that the original question still remains， size， or just a workaround? I've messed around with a global data list but keep running into dead ends. ， such as velocity). Whenever I try this， y， etc， but a local variable made by the user， because I still haven't figured out how to ask another sprite for a local variable (not x，。