#Unicorn HAT scroller by Sean McManus / www.sean.co.uk / CC BY-NC-SA
#!/usr/bin/env python

import unicornhat as unicorn
import time
unicorn.rotation(180) #adjust for your Pi's orientation
unicorn.brightness(0.4)

font_dictionary={} # paste in your font dictionary here
string_to_show=raw_input("Enter the text to scroll: ")
scroll_rows=[[0]*8]*8 #blank space at start of message

for character in string_to_show:
   if character.upper() in font_dictionary:
       character_rows = font_dictionary[character.upper()]
   else:
       character_rows = font_dictionary['-']
   for i in range(8):
       scroll_rows[i] = scroll_rows[i]+character_rows[i]
       scroll_rows[i] += [0] #gap between letters

for i in range(8):
   scroll_rows[i]+=[0]*8 #blank space at end of message

for scroll_position in range(len(scroll_rows[0])-8):
   for y in range(8):
      thisrow = scroll_rows[y]
      for x in range(8):    
          pixel_shade=thisrow[x+scroll_position]
          unicorn.set_pixel(x,y,int((95+x*20)*pixel_shade),\
              int(100*pixel_shade),int((95+y*20)*pixel_shade))
   unicorn.show()
   time.sleep(0.04)