The circular gradient fill shader I wrote yesterday took more time than expected as for a while it would not work: more specifically it worked fine in Pixel Bender Toolkit but not in Flash. And it failed in a particular way: on use it would instantly lock up rather than fail with an error or produce the wrong result.
Thursday 19 April 2012
Wednesday 18 April 2012
Circular gradient shader
This is something I started coding today before I realised it wasn't available in the BitmapData APIs: the gradient fill available comes in two varieties, linear and radial. But the latter is always based on the distance from the centre, never the bearing from the centre as I wanted. So I wrote a shader for it, to generate a result like this:
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