If you need ball to start from the level begging, it's pretty simple. At the begging of your ball action, set to ball position some VECTOR (example: vec_set(start_pos.x,my.x);) This needs to be right before the while loop, so vector will store only position at the begging of the level (game), so, when ball will fall (you can use some model with event, so when ball falls and touches it ball needs to reset it's position or you just can check if ball's Z is more then for example -100, you need to make sure that your level is higher than -100 in Z coordinates) all you'll need to do is to place it at the vector where was stored start position (example: vec_set(my.x,start_pos.x);). I hope it was useful, good luck. Sorry if I misunderstood you.