Want to look like an evil robot and/or a cool car from the 80's? By your command. I mean, OK Michael. I mean...oh never mind. Here's the code. It scans the pixels back and forth. This one looks best with the scans moving horizontally.
///////////////////////////////////////////////////////////////////////////////
// Circuit Playground Bike Light - Cylon
//
// Author: Carter Nelson
// MIT License (https://opensource.org/licenses/MIT)
#include <Adafruit_CircuitPlayground.h>
#define COLOR 0xFF0000 // change this to your favorite color
#define SCAN_RATE 100 // lower is faster
int pixel1;
int pixel2;
///////////////////////////////////////////////////////////////////////////////
void setup() {
CircuitPlayground.begin();
// Make it bright!
CircuitPlayground.setBrightness(255);
pixel1 = 0;
pixel2 = 9;
}
///////////////////////////////////////////////////////////////////////////////
void loop() {
// Scan in one direction
for (int step=0; step<4; step++) {
CircuitPlayground.clearPixels();
CircuitPlayground.setPixelColor(pixel1, COLOR);
CircuitPlayground.setPixelColor(pixel2, COLOR);
pixel1 = pixel1 + 1;
pixel2 = pixel2 - 1;
delay(SCAN_RATE);
}
// Scan back the other direction
for (int step=0; step<4; step++) {
CircuitPlayground.clearPixels();
CircuitPlayground.setPixelColor(pixel1, COLOR);
CircuitPlayground.setPixelColor(pixel2, COLOR);
pixel1 = pixel1 - 1;
pixel2 = pixel2 + 1;
delay(SCAN_RATE);
}
}
