Comments on: Porting RRGlossCausticShader to the iPhone

By: tato123

tato123 — Tue, 13 Apr 2010 22:38:49 +0000

sorry, typo in the from section it should read

…
CGFloat f = RRExponentialFunctionEvaluate(&INFO(exponentialFunction), 2*(x – 0.5f));

By: tato123

tato123 — Tue, 13 Apr 2010 22:37:43 +0000

I had to make a change for iPad SDK 3.2+, for some reason the gradient appeared yellowish at the bottom section. I adjusted the following, in RRGlossCausticShader.m

FROM:

void RRGlossCausticShaderEvaluate
….
CGFloat f = RRExponentialFunctionEvaluate(&INFO(exponentialFunction), 0.7*(x – 0.5f));
…

TO:

void RRGlossCausticShaderEvaluate
….
CGFloat f = RRExponentialFunctionEvaluate(&INFO(exponentialFunction), 0.7*(x – 0.5f));
…

By: Shiny buttons redux at Under The Bridge

Shiny buttons redux at Under The Bridge — Sat, 10 Apr 2010 05:40:49 +0000

[...] for shininess is a particularly nifty one: based on RRGCausticShader an OS X implementation and ported to the iPhone, complete with an app to determine precisely the flavor of shininess to [...]

By: SIgnar

SIgnar — Wed, 07 Apr 2010 12:38:54 +0000

Fantastic work.

Have been looking for a way to create nice glossy buttons without relying on images.

Thank you!

By: Roy Ratcliffe

Roy Ratcliffe — Fri, 05 Mar 2010 06:19:22 +0000

Excellent work Ole! I’ve merged your enhancements as requested, albeit with a few more enhancements. Makes you wonder: where should it go from here?

Kind regards,
Roy