private function rotateColor(): string
    {
        $color                = $this->convertHSVtoRGB($this->rotatingColor, $this->saturation, $this->value);
        $this->rotatingColor += .3;

        if ($this->rotatingColor > 1) {
            $this->rotatingColor -= 1;
        }

        return $color;
    }
private function rotateColor(): string
    {
        $color                = $this->convertHSVtoRGB($this->rotatingColor, $this->saturation, $this->value);
        $this->rotatingColor += .3;

        if ($this->rotatingColor > 1) {
            $this->rotatingColor -= 1;
        }

        return $color;
    }
private function rotateColor ( ) : string { $ color = $ this -> convertHSVtoRGB ( $ this -> rotatingColor , $ this -> saturation , $ this -> value ) ; $ this -> rotatingColor += .3 ; if ( $ this -> rotatingColor > 1 ) { $ this -> rotatingColor -= 1 ; } return $ color ; }
Rotate the color value.

@return string
Rotate the color value .