import neopixel
import time
import machine
import math



# NeoPixel configuration
num_leds = 256  # Number of LEDs in the matrix
pin = 23       # GPIO pin for NeoPixel data
matrix_width = 16  # Width of the matrix
matrix_height = 16  # Height of the matrix

# Initialize NeoPixel
np = neopixel.NeoPixel(machine.Pin(pin), num_leds)

runs=[0,0,0]
for num in range(num_leds):
    print(runs)


    np[runs[0]]=((0,0,0))    
    np[runs[1]]=((0,0,0))
    np[runs[2]]=((0,0,0))
    np.write()

    runs[0]=min(0+num,0+num%num_leds)        
    np[runs[0]]=((0,255,0))
    
    
    runs[1]=min(1+num,1+num%num_leds)
    np[runs[1]]=((0,255,0))
    

    runs[2]=min(2+num,2+num%num_leds)     
    np[runs[2]]=((0,255,0))
    np.write()
    time.sleep(0.1)
    
    
    


# Clear the NeoPixel matrix
np.fill((0, 0, 0))
np.write()