Create an array of gradient colors

gradient UIColors

func degradeForPosition(topColor: UIColor, bottomColor: UIColor, totalCount: Int, position: Int) -> UIColor{
        
        var rTop: CGFloat=0, gTop: CGFloat=0, bTop: CGFloat=0, aTop: CGFloat=0
        var rBottom: CGFloat=0, gBottom: CGFloat=0, bBottom: CGFloat=0, aBottom: CGFloat=0
        
        topColor.getRed(&rTop, green: &gTop, blue: &bTop, alpha: &aTop)
        bottomColor.getRed(&rBottom, green: &gBottom, blue: &bBottom, alpha: &aBottom)
        
        let redConst : CGFloat! = (rTop - rBottom)/CGFloat(totalCount-1)
        let blueConst : CGFloat! = (bTop - bBottom)/CGFloat(totalCount-1)
        let greenConst : CGFloat! = (gTop - gBottom)/CGFloat(totalCount-1)
        
        let redColor : CGFloat! = (rBottom + (redConst*CGFloat(position)));
        let greenColor : CGFloat! = (gBottom + (greenConst*CGFloat(position)));
        let blueColor : CGFloat! = (bBottom + (blueConst*CGFloat(position)));
        
        let color: AnyObject = UIColor(red: redColor, green: greenColor, blue: blueColor, alpha: 1.0)
        
        return color as UIColor
}