text: from example import setBlock
  import cv2
  import matplotlib.pyplot as plt
  import numpy as np
  
  import blockColors
  import interfaceUtils
  from worldLoader import WorldSlice
  
  rect = (0,0,128,128)
  import time
  
  if __name__ == '__main__':
      for i in range(20):
          for j in range(20):
              x, y = 100 +i, 100+j
              z = 100
              setBlock(x,y,z,"stone")
              time.sleep(0.2)