What is the best way to use ScreenMatch to make sprites line up on two adjacent screens?
ScreenMatch is a funny thing. You activate it in sprite edit mode by pressing the M key. In the lower part of the screen, it will indicate whether ScreenMatch is on or off. If you leave it on, you’re likely to end up with a lot of duplicated sprites overlapping the adjacent screen. The is especially bad if you move a sprite, stamp it down, decide to move it more, and stamp it down again. On the adjacent screen, you will have several matching sprites, not just the 1 you had intended. So, only turn on ScreenMatch when you are going to place a sprite that overlaps to the adjacent screen. Then, immediately turn it off. I do this when I place trees. If I want the top of the tree to extend into the room above it, I grab the sprite and move it where I want it to be, then I press M to turn on ScreenMatch, then I press
