ahh thank you so much, I am not sure why I had both act_x_vw and grid_x_vw, got rid of one of them. I think I originally wanted it to be okay with collision with the frog, but it seems fine.

I'm having trouble using dt with a frogger clone I'm making. dt works but it doesn't loop the cars back around like I want it to. Here are the parts of the code that matter. I'm pretty sure I understand the problem, I just don't know how to fix it exactly. I think the variables in volks:new() have c...