how to make an object patrol on the spot where it is created

how do i make it so that whenever the red dot is spawned, it moves left to right and whenever the light blue dot is spawned, it moves up and down? they both spawn in a random area within green border

Use the Sine behaviour.

Not sure what you mean about it adjusting to where it was spawned. The Sine behaviour will always take the sprite's starting location into account. If you want to offset the wave, then adjust the "Period offset" property.

To keep it from leaving the layout, use the Bound to layout behaviour.

I've attached an example to show you the idea in action.

EDIT: Oh, okay, you've deleted your post.

Use the .

thanks =] played around with it and found a way to make it work for my situation