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fast snake is ok

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pikastech 2021-12-16 16:31:39 +08:00
parent 003e9eda2e
commit 94ce940e44
1 changed files with 31 additions and 24 deletions
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55
examples/LCD/main_snake.py
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@ -59,25 +59,15 @@ mem.max()
# main loop
d = 0
isUpdate = 1
isEat = 0
while True:
if isUpdate:
isUpdate = 0
# isUpdate = 0
# check eat fruit
if f.x == s.x:
if f.y == s.y:
# have eat fruit
b = s
i = 0
while i < len:
b = b.next
i = i + 1
b.next = PikaPiZero.Point()
b.next.prev = b
len = len + 1
print('snake lengh')
print(len)
print('mem used max:')
mem.max()
isEat = 1
f.x = f.x + 30
if f.x > x_max:
f.x = f.x - x_max
@ -106,17 +96,34 @@ while True:
y_new = s.y
if x_new < 0:
x_new = x_max
# drow the snake and fruit
# clear last body
lcd.fill(s.prev.x, s.prev.y, w, h, 'white')
# new body
s.prev.x = x_new
s.prev.y = y_new
# head is last body
s = s.prev
lcd.fill(s.x, s.y, w, h, 'blue')
b = s
i = 0
if isEat:
isEat = 0
b_new = PikaPiZero.Point()
b_new.x = x_new
b_new.y = y_new
b_new.prev = s.prev
b_new.next = s
s.prev.next = b_new
s.prev = b_new
s = b_new
len = len + 1
print('snake lengh')
print(len)
print('mem used max:')
mem.max()
if not isEat:
# drow the snake and fruit
# clear last body
lcd.fill(s.prev.x, s.prev.y, w, h, 'white')
# new body
s.prev.x = x_new
s.prev.y = y_new
# head is last body
s = s.prev
lcd.fill(s.x, s.y, w, h, 'blue')
b = s
i = 0
# scan key
key_val = key.get()
if key_val == 0:
d = 0