p-src.py

#!/usr/bin/env python3
# WIDTH = 178
# HEIGHT = 128
from fastrand import pcg32bounded as randint
print("loaded fastrand...")
from ev3dev2.display import Display
print("Finished loading 'Display'...")
from ev3dev2.button import Button
print("Finished loading 'Button'...")
from time import sleep

SIZE = 12
HEIGHT = 9
WIDTH = 14
FPS = 9

x = 1
y = 1
positions = [(x,y)]
length = 1
moving = 0
# framecount = 0
randX = randint(WIDTH+1)
randY = randint(HEIGHT+1)

DISPLAY = Display()
BUTTON = Button()

DISPLAY.clear()
while 1:
	sleep(0.08)
	BUTTON.process()
	if BUTTON.left:
		moving = 1
	elif BUTTON.right:
		moving = 2
	elif BUTTON.up:
		moving = 3
	elif BUTTON.down:
		moving = 4
	# if framecount < FPS:
		# framecount += 1
	# else:
	if x == randX and y == randY:
		DISPLAY._draw.rectangle((randX*SIZE+4, randY*SIZE+4, randX*SIZE+9, randY*SIZE+9), fill='white')
		randX = randint(WIDTH)
		randY = randint(HEIGHT)
		length += 1
	if moving == 1:
		x -= 1
	elif moving == 2:
		x += 1
	elif moving == 3:
		y -= 1
	elif moving == 4:
		y += 1
	if y < 0:
		y = HEIGHT
	elif y > HEIGHT:
		y = 0
	elif x < 0:
		x = WIDTH
	elif x > WIDTH:
		x = 0
	positions.append((x, y))
	c,d = positions[0]
	size1 = c*SIZE+4
	size2 = d*SIZE+4
	size3 = c*SIZE+9
	size4 = d*SIZE+9
	DISPLAY._draw.rectangle(((size1, size2), (size3, size4)), fill="white")
	positions = positions[-length:]
	for a,b in positions:
		DISPLAY.draw.rectangle((a*SIZE+4, b*SIZE+4, a*SIZE+9, b*SIZE+9), None, 'black')
	DISPLAY._draw.rectangle((randX*SIZE+4, randY*SIZE+4, randX*SIZE+9, randY*SIZE+9), 'black', 'black')
	framecount = 0
	DISPLAY.update()