http://blog.glowinteractive.com/index.php/2010/02/motion-blur-of-a-spinning-sphere-in-iphone-opengl-es/ codify, media, gaming, industry ramblings, finance Thu, 19 Aug 2010 01:26:01 +0000 http://wordpress.org/?v=2.9.2 hourly 1 http://blog.glowinteractive.com/index.php/2010/02/motion-blur-of-a-spinning-sphere-in-iphone-opengl-es/comment-page-1/#comment-57 makc Tue, 23 Feb 2010 19:11:15 +0000 http://blog.glowinteractive.com/?p=655#comment-57 1 you can use single-step distribution formulas such as this one by Robert Bauer: for (i = 1; i <= N; i++) { var phi:Number = Math.acos ( -1 + (2 * i -1) / N); var theta:Number = Math.sqrt (N * Math.PI) * phi; } 2 you can cross-fade textures to accept arbitrary directions 1 you can use single-step distribution formulas such as this one by Robert Bauer:
for (i = 1; i <= N; i++) {
var phi:Number = Math.acos ( -1 + (2 * i -1) / N);
var theta:Number = Math.sqrt (N * Math.PI) * phi;
}
2 you can cross-fade textures to accept arbitrary directions

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