a box that player move it when Collision with it in 4 direction …
example with 4 walls and Collision with them stop player …
another question if i will use many instance of the same object how can i apply behavior to some of the instance not all of them ??? like touching one of them only to do something …
Just use the conditions. Let’s say that you have three enemies (of the same object) on the scene. If you put :
The X position of Enemy is > 400
as condition of an event, every actions of this event refering to Enemy will be applied only on the instance(s) of Enemy that fulfill(s) that condition.