so i\'m wondering what the algorithm for finding a shapes center of mass if I have a set of vertices?
It's difficult to tell what is being asked here. Thi开发者_如何学JAVAs question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current for
I\'d like to calculate the centro开发者_如何学JAVAid of a bitmap (black and white) stored as a bit-packed array of integers. I know there are fast algorithms for counting the number of set bits in an
I\'m wondering how to track touches anywhere on the iPhone screen and still have UIButtons respond to taps.
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