Scratch

look @ my scrolling tutorial, not only does it explain how its done, but the teory behind how it works, and a not a well known techniqe for getting a infinite scrolling effect!

The question's been answered, but here's a quick guide.

You need to make a bunch of terrain sprites for the scrolling background. (you can name them terrain1, terrain2, etc. so it's easy to tell them apart.) So basically, because sprites can only be 480x360 unless you use a glitch, you need to chop up the scrolling screen into sprites and just continue from one sprite to the other.

Then, make a variable called scroll x (or scroll y if it goes up/down).
After that, put this script into each terrain sprite:
<when green flag clicked>
<forever>
<set x to( (( <{ scroll x }> <*> [# of the terrain sprite here] ))
<end>
[/blocks]
Then, in your character sprite, put in this script:
<when green flag clicked>
<forever>
<if><key[ right arrow ]pressed?>
  <change{ scroll x }by( [how fast you want the background to go]
<end>
<if><key[ left arrow ]pressed?>
  <change{ scroll x }by( [how fast you want the background to go, but negative]
<end>
<end>[/blocks]

Last edited by hmnwilson (2009-02-09 20:37:41)