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iOS

Posted by Antony Gabagul
Antony Gabagul
9,351 Points

Better way of creating random color?

Hi. I might have an idea of creating random color by way which is easier and allows us to have more colours. So instead of having an array like this: let colors = [ UIColor(red: 90/255.0, green: 187/255.0, blue: 181/255.0, alpha: 1.0), //teal color UIColor(red: 222/255.0, green: 171/255.0, blue: 66/255.0, alpha: 1.0), //yellow color UIColor(red: 223/255.0, green: 86/255.0, blue: 94/255.0, alpha: 1.0), //red color UIColor(red: 239/255.0, green: 130/255.0, blue: 100/255.0, alpha: 1.0), //orange color UIColor(red: 77/255.0, green: 75/255.0, blue: 82/255.0, alpha: 1.0), //dark color UIColor(red: 105/255.0, green: 94/255.0, blue: 133/255.0, alpha: 1.0), //purple color UIColor(red: 85/255.0, green: 176/255.0, blue: 112/255.0, alpha: 1.0), //green color ]

we create random number between 0 and 255.0 and implement it in UIColor, like this:

let randomRed = GKRandomSource.sharedRandom().nextIntWithUpperBound(255) let randomGreen = GKRandomSource.sharedRandom().nextIntWithUpperBound(255) let randomBlue = GKRandomSource.sharedRandom().nextIntWithUpperBound(255) UIColor(red: randomRed/255.0, green: randomGreen/255.0, blue: randomBlue/255.0, alpha: 1.0)

Thanks