Scratch

If I position a Sprite at (0,0) and create a Variable called "y-position" I can display a slider in the Stage that will allow me to move the Sprite up and down between y=0 and y=100. But that doesn't even get the Sprite to the top of the Stage. I would like to use the Slider to move the Sprite from the top to the bottom of the Stage so someone could, for example, move the Sprite everywhere in search of something hidden. But my math isn't up to creating an expression that would expand the Sprite's y-position. (And I'd want to do the same thing with the X-position too, of course.) Can anyone help?