Scratch

Well, what you would need to do is set X and Y scrolling variables and make those variables change when your character moves up and down. The rest is just standard scrolling programs, but you need to do to sets of scrolling scripts and change the variables to the second one so that it'll scroll both up and down.

coolstuff wrote:

It's actually quite simple - perhaps this article could be useful. 

Thanks. So how would I do a tile based scroll system, so lets say that I want the background to be made of tiles that are like 50 by 50 pixels.

BobertMobingston wrote:

coolstuff wrote:

It's actually quite simple - perhaps this article could be useful. 

Thanks. So how would I do a tile based scroll system, so lets say that I want the background to be made of tiles that are like 50 by 50 pixels.

Lol you can't in Scratch. Scratch has poor performance with many sprites needed for tile systems and the lack of multidimentional arrays and poor ability to reference vairables makes this an impossible task. Just make large scrolling sprites, it won't let you make professional games but you can still mdake something.

What is the acual script that you use?
(For ScrollY, I can already do Scroll X)

http://scratch.mit.edu/projects/archtest/374330

That is the easiest way to do things, hopefully that is what you want.

You would do something like this for the enemies

set X to (scrollX+Xposition)
set Y to (scrollY+Yposition) 

In this, the variables Xposition and Yposition are used to alter the sprite's movement around the map.

For example, increase Xposition to make the enemy go to the left.

You didn't really even attempt my method from the look of your scripts :S

Another huge mistake you are making is moving the sprite up down left and right with the move block and directions, this is a big NO NO.

I will post a picture of the script you should have. Remember, that in a scrolling area, the scrollX, and scrollY variables must always be considered when positioning the sprite.