roller coaster effect for ws2812 led strip
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#ifndef FX_SCANNER_H
#define FX_SCANNER_H
#include <Adafruit_NeoPixel.h>
#include <math.h>
#include "effect.h"
class FX_Scanner : public Effect
FX_Scanner(int numpixels,Adafruit_NeoPixel *strip,uint8_t *height,int startpos,float scannervel,uint32_t scannercolor);
void updateRoutine(float updatedelayms);
void updateGraphics();
uint32_t Wheel(byte WheelPos,float brightness);
bool active();
int _numpixels;
Adafruit_NeoPixel *_strip;
float _pos;
float _vel;
uint8_t *_height;
uint32_t _scannercolor;