Absorbtion 2d image effect

Posted by Ed. on Game Development See other posts from Game Development or by Ed.
Published on 2012-11-13T09:28:05Z Indexed on 2012/11/13 11:23 UTC
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XNA

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2d

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image

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graphic-effects

I want to create a specyfic 2d image effect. It consists in modifying a sprite so it looks like it is being zoomed to a point or "absorbed" by that point. I'm not really sure what is the technical name of this effect so I cannot explain it correctly.

Here you can see a video of what I'm talking about, it is the effect when the character absorbs the three glyphs.

http://www.youtube.com/watch?v=PIo-GddsMcU&t=4m45s

What is the name of this effect? How can I implement it with XNA for 2D textures/sprites?

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