Doing a (simple?) 2D Image Background effect

Discussion in 'iOS Programming' started by Soulstorm, May 14, 2009.

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  1. Soulstorm, May 14, 2009

    Soulstorm macrumors 68000

    Soulstorm

    Joined:
    Feb 1, 2005
    #1
    I am trying to make an application as proof of concept. I have an image, with which I want to fill the screen. When the user clicks somewhere, I want the image to be distorted in that spot, like if it was on a net of some short (that spot of the image going forwards and backwards).

    Does anyone have any idea on how to make this possible?
     
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  2. jnic, May 15, 2009

    jnic macrumors 6502a

    Joined:
    Oct 24, 2008
    Location:
    Cambridge
    #2
    For simple animations, CGAffineTransform and a bit of matrix algebra should do the trick. Depending on the sort of thing you're going for, OpenGL ES might be a better option though.
     
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