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Re: Animating color fading
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Re: Animating color fading

  • Subject: Re: Animating color fading
  • From: Jens Alfke <email@hidden>
  • Date: Sun, 29 Nov 2009 09:50:11 -0800
On Nov 27, 2009, at 8:03 AM, Steve Moore wrote:

> I think this is really a color question, though I'm not sure.  I figured I'd just set a timer and redraw the cell (drawInteriorWithFrame: inView: ) applying an ever decreasing alpha but this just results in the cell eventually being drawn black.

Don't use alpha for this — drawing over and over again with translucent color will produce weird effects like that. Instead, blend the red color with an ever-increasing fraction of the original color.

—Jens_______________________________________________

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 >Animating color fading (From: Steve Moore <email@hidden>)

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