mirror of
https://gitee.com/Lyon1998/pikapython.git
synced 2025-01-15 17:02:53 +08:00
138 lines
2.7 KiB
Python
138 lines
2.7 KiB
Python
from PikaObj import *
|
|
import PikaStdLib
|
|
import PikaPiZero
|
|
import STM32G0
|
|
|
|
# hardware init
|
|
lcd = PikaPiZero.LCD()
|
|
lcd.init()
|
|
lcd.clear('white')
|
|
key = PikaPiZero.KEY()
|
|
key.init()
|
|
time = STM32G0.Time()
|
|
x_max = 120
|
|
y_max = 150
|
|
|
|
# snake init
|
|
s = PikaPiZero.Point()
|
|
w = 9
|
|
h = 9
|
|
s.x = 50
|
|
s.y = 10
|
|
len = 0
|
|
while len < 3:
|
|
b = s
|
|
i = 0
|
|
while i < len:
|
|
b = b.next
|
|
i = i + 1
|
|
b.next = PikaPiZero.Point()
|
|
b.next.x = b.x - 10
|
|
b.next.y = b.y
|
|
b.next.prev = b
|
|
len = len + 1
|
|
# ring link
|
|
b.next = s
|
|
s.prev = b
|
|
|
|
i = 0
|
|
b = s
|
|
while i < len:
|
|
lcd.fill(b.x, b.y, w, h, 'blue')
|
|
b = b.next
|
|
i = i + 1
|
|
|
|
print('snake lengh')
|
|
print(len)
|
|
|
|
# fruit init
|
|
f = PikaPiZero.Point()
|
|
f.x = 30
|
|
f.y = 20
|
|
lcd.fill(f.x, f.y, w, h, 'green')
|
|
|
|
# memory check
|
|
mem = PikaStdLib.MemChecker()
|
|
print('mem used max:')
|
|
mem.max()
|
|
|
|
# main loop
|
|
d = 0
|
|
isUpdate = 1
|
|
isEat = 0
|
|
while True:
|
|
if isUpdate:
|
|
# isUpdate = 0
|
|
# check eat fruit
|
|
if f.x == s.x and f.y == s.y:
|
|
# have eat fruit
|
|
isEat = 1
|
|
f.x = f.x + 30
|
|
if f.x > x_max:
|
|
f.x = f.x - x_max
|
|
f.y = f.y + 30
|
|
if f.y > y_max:
|
|
f.y = f.y - y_max
|
|
lcd.fill(f.x, f.y, w, h, 'green')
|
|
# move snake by the direction
|
|
if d == 0:
|
|
x_new = s.x + 10
|
|
y_new = s.y
|
|
if x_new > x_max:
|
|
x_new = 0
|
|
elif d == 1:
|
|
x_new = s.x
|
|
y_new = s.y - 10
|
|
if y_new < 0:
|
|
y_new = y_max
|
|
elif d == 2:
|
|
x_new = s.x
|
|
y_new = s.y + 10
|
|
if y_new > y_max:
|
|
y_new = 0
|
|
elif d == 3:
|
|
x_new = s.x - 10
|
|
y_new = s.y
|
|
if x_new < 0:
|
|
x_new = x_max
|
|
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()
|
|
# 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
|
|
isUpdate = 1
|
|
elif key_val == 1:
|
|
d = 1
|
|
isUpdate = 1
|
|
elif key_val == 2:
|
|
d = 2
|
|
isUpdate = 1
|
|
elif key_val == 3:
|
|
d = 3
|
|
isUpdate = 1
|