#ifndef RAINBOW_H
#define RAINBOW_H


#include "ESP8266lib/ext/led/WS2812B.h"

/**
 * show rainbow colors using HUE
 */
class Rainbow {

    uint8_t hue = 0;

public:

    /** ctor */
    Rainbow() {
        ;
    }

    /** show a beat by shifting the hue color */
    void shift(const int val) {
        hue += val;
    }

    /** set hue back to 0 */
    void restart() {
        hue = 0;
    }

    /** called from the main */
    void update() {
        ++hue;
    }

    /** called from the main */
    Color getCurrent() const {
        Color c; c.setHSV(hue, 255, 255);
        return c;
    }

};


#endif // RAINBOW_H