This may be a little hard to explain but I'll try my best.
When you click on any object in the center there is a small box with a line connected to a white slightly larger box. My post has to do with the white slightly larger box.
First of all, what is it called? What all can it do? From my understanding this is the direction that the sprite will move when given the bullet behavior.
By default it is always pointed to the right. The only way I know to change this is to drag it and move it say 180 degrees so it is pointing to the left. The only problem with this is that I then have to change the animation of the sprite 180 degrees as well.
It just seems like I am missing something or that there is a better way. Any suggestions?