November 30, 2009

Dealing with floating point numbers in AS3

Filed under: as3, math, tip — michaelangela @ 8:08 am

I’ve only seen it happen occasionally but the utility functions here and also that posted by Troy further down look quite helpful.

Floating-point errors got you down? – Josh Talks Flash

Many developers will never encounter issues when floating-point math fails to return the correct result. Every once in a while, when you’re expecting to see a number like 10.1 in your trace panel, you might actually see 10.1000000001. This isn’t a specific issue with Flash either. By it’s very nature, any sort of calculation with floating-point numbers can result in tiny, nearly insignificant errors anywhere in modern computing.

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