``````#include "FastLED.h"

// Matrix size
#define HEIGHT 32
#define WIDTH 32
#define NUM_LEDS HEIGHT * WIDTH
#define MATRIX_TYPE 1
// LEDs pin
#define DATA_PIN 3
// LED brightness
#define BRIGHTNESS 255
// Define the array of leds
CRGB leds[NUM_LEDS];

//// ----------------------------- Spider ------------------------------
//(c)stepko
#define Speed 250
#define Koef 9 //1,3,5,7,9(standart),10,12
#define lines 7
#define Color 1 //By Kostyamat https://editor.soulmatelights.com/gallery/550
#define Fader 30 //By Kostyamat https://editor.soulmatelights.com/gallery/550
#define sx ((256 / (WIDTH / 2)) - (WIDTH / 16))
#define cy ((256 / (HEIGHT / 2)) - (HEIGHT / 16))

void drawLine(int x1, int y1, int x2, int y2,
const CRGB & color) {
int deltaX = abs(x2 - x1);
int deltaY = abs(y2 - y1);
int signX = x1 < x2 ? 1 : -1;
int signY = y1 < y2 ? 1 : -1;
int error = deltaX - deltaY;

leds[XY(x2, y2)] += color;
while (x1 != x2 || y1 != y2) {
leds[XY(x1, y1)] += color;
int error2 = error * 2;
if (error2 > -deltaY) {
error -= deltaY;
x1 += signX;
}
if (error2 < deltaX) {
error += deltaX;
y1 += signY;
}
}
}

void draw() {
double t = millis() / (256 - Speed);
for (uint8_t c = 0; c < lines; c++) {
byte xx = sin8(t + (100 * c) * Koef) / sx;
byte yy = cos8(t + (150 * c) * Koef) / cy;
if (Color)
drawLine(xx, yy, WIDTH - xx - 1, HEIGHT - yy - 1, CHSV(c * (256 / lines), 200, 255));
else
drawLine(xx, yy, WIDTH - xx - 1, HEIGHT - yy - 1, CHSV(0, 0, 255));
}
blur2d(leds, WIDTH, HEIGHT, 32);
delay(16);
}
void setup() {
//Serial.begin(250000);
FastLED.setBrightness(BRIGHTNESS);
}

void loop() {
draw();
FastLED.show();
} //loop

uint16_t XY (uint8_t x, uint8_t y) {
if(x<0||x>= WIDTH || y<0 || y >= HEIGHT) return;
if ((y % 2 == 0) || MATRIX_TYPE)                     // если чётная строка
{
return ((uint32_t)y *WIDTH + x) % (WIDTH  * HEIGHT);
}
else                                                      // если нечётная строка
{
return ((uint32_t)y  * HEIGHT + WIDTH - x - 1) % (WIDTH  * HEIGHT);
}
}
``````