Challenge #18 - Parallax Scrolling (Visual Effect)

[kevin]

Challenge #18 - Parallax Scrolling (Visual Effect)

    In this challenge were going to tackle a classic 2D game visual effect, Parallax Scrolling.   In the confines of this challenge, we'll limit ourselves  to horizontal parallax.  In other words the screen will only need to move/scroll left and right. 

    What's a parallax effect ? , it's a term coined to describe faked perspective scenery in 2D games.  So a game with parallax scrolling has more than single scrolling layer.   Some common examples would be things like distance mountain ranges, back/foreground Trees & Buildings etc.

    Since the effect is creating the illusion of the perspective (scene depth), near objects/planes move faster than those further away.   So if you have a scene with 3 parallax layers.   Layer #1 being foreground trees (near to viewer), layer #2 being the game environment, layer #3 being a distance mountain range.   Visually we'd expect Layer #1 to be moving faster (since it's closer the viewer) but proportionally to layers 2  & 3 (Slowest).    How do you do this? Well that's the challenge :)

    As with all challenges,  don't concern yourself too much about the graphics,  we're just interested in how such effects could be constructed.  So good luck.




Reference Materials

     http://en.wikipedia.org/wiki/Shadow_of_the_Beast



Submission

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Dead Line

     Anytime before the next ice age



Prizes

     * The best submissions will periodically be highlighted through the PlayBasic IDE news service. 

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[kevin]

Here's an example Perspective Parallax