// UIDescription: This example shows how to blur a strip of LEDs in 2d. #include "fl/ui.h" #include "fl/xymap.h" #include using namespace fl; #define WIDTH 22 #define HEIGHT 22 #define NUM_LEDS (WIDTH * HEIGHT) #define BLUR_AMOUNT 172 #define DATA_PIN 2 // Change this to match your LED strip's data pin #define BRIGHTNESS 255 #define SERPENTINE true CRGB leds[NUM_LEDS]; uint8_t pos = 0; bool toggle = false; XYMap xymap(WIDTH, HEIGHT, SERPENTINE); void setup() { FastLED.addLeds(leds, NUM_LEDS) .setScreenMap(xymap); // Necessary when using the FastLED web compiler to display properly on a web page. FastLED.setBrightness(BRIGHTNESS); } void loop() { static int x = random(WIDTH); static int y = random(HEIGHT); static CRGB c = CRGB(0, 0, 0); blur2d(leds, WIDTH, HEIGHT, BLUR_AMOUNT, xymap); EVERY_N_MILLISECONDS(1000) { x = random(WIDTH); y = random(HEIGHT); uint8_t r = random(255); uint8_t g = random(255); uint8_t b = random(255); c = CRGB(r, g, b); } leds[xymap(x, y)] = c; FastLED.show(); delay(20); }