<p>我已经复制并运行了您的代码,请允许我首先回答以下问题:</p>
<ol>
<li>不,你的电脑没问题</李>
<li>这在这个案子上不应该是个问题</李>
<li>我不这么认为。检查<a href="https://docs.python.org/3/library/turtle.html" rel="nofollow noreferrer">documentation</a></李>
<li>我认为这是可以改进的</李>
</ol>
<p>代码进行大量处理的主要位置是<code>wile True</code>条件。在这里您可以调用10个函数:</p>
<pre><code>rightForwardDistance()
rightDistance()
leftForwardDistance()
leftDistance()
forwardDistance()
sensors = {'left': leftDistance(), 'left forward': leftForwardDistance(), 'forward': forwardDistance(),
'right forward': rightForwardDistance(), 'right': rightDistance()}
</code></pre>
<p>如果其中每一个都有一个范围为1000的for循环,那么删除/评论前5个将使游戏更快一些</p>
<pre><code>rightForwardDistance()
rightDistance()
leftForwardDistance()
leftDistance()
forwardDistance()
</code></pre>
<p>除此之外,还可以通过不同的方式改进代码,例如:</p>
<pre><code> for alpha in range(1000):
if (heading < 45 and heading >= 0) or (heading < 360 and heading >= 315):
xCoordinate = position[0] + alpha
yCoordinate = xCoordinate * tangent + (position[1] - position[0] * tangent)
tupleCoordinate = (int(xCoordinate), int(yCoordinate))
elif (heading < 315 and heading >= 225):
yCoordinate = position[1] - alpha
xCoordinate = (yCoordinate - (position[1] - position[0] * tangent)) / tangent
tupleCoordinate = (int(xCoordinate), int(yCoordinate))
elif (heading < 225 and heading >= 135):
xCoordinate = position[0] - alpha
yCoordinate = xCoordinate * tangent + (position[1] - position[0] * tangent)
tupleCoordinate = (int(xCoordinate), int(yCoordinate))
elif (heading < 135 and heading >= 45):
yCoordinate = position[1] + alpha
xCoordinate = (yCoordinate - (position[1] - position[0] * tangent)) / tangent
tupleCoordinate = (int(xCoordinate), int(yCoordinate))
if tupleCoordinate in bounderies:
forwardDistance.append(player.distance(tupleCoordinate))
minForwDist = min(forwardDistance)
# print("Left distance: ", int(minForwDist))
</code></pre>
<p>该代码重复5次,可以移动到函数中以避免重复。
代码中还有未使用的变量,可以删除这些变量</p>
<pre><code>yCoordinate = 0
xCoordinate = 0
</code></pre>
<p>在这些更改之后,代码的可读性会更高,速度也会更快:</p>
<pre><code>import turtle
import math
# Set up screen
wn = turtle.Screen()
wn.bgcolor("lightyellow")
score = 0
# Draw border
mypen = turtle.Turtle()
mypen.penup()
mypen.setposition(-300, -300)
mypen.speed(0)
mypen.pendown()
mypen.pensize(3)
for side in range(4):
mypen.forward(600)
mypen.left(90)
mypen.hideturtle()
# Draw obstacle
myObstacle = turtle.Turtle()
myObstacle.penup()
myObstacle.setposition(-150, -150)
myObstacle.speed(0)
myObstacle.pendown()
myObstacle.pensize(3)
for side in range(4):
myObstacle.forward(300)
myObstacle.left(90)
myObstacle.hideturtle()
# Create player turtle
player = turtle.Turtle()
player.penup()
player.speed(0)
player.setposition(-200, -200)
player.color("red")
player.shape("circle")
# Set speed variable
speed = 1
# define functions
def turnleft():
player.left(30)
def turnright():
player.right(30)
def increasespeed():
global speed
speed += 1
def decreasespeed():
global speed
if speed > 1:
speed -= 1
# Set keyboard bindings
turtle.listen()
turtle.onkey(turnleft, "Left")
turtle.onkey(turnright, "Right")
turtle.onkey(increasespeed, "Up")
turtle.onkey(decreasespeed, "Down")
# bounderies
def merge(list1, list2):
merged_list = [(list1[i], list2[i]) for i in range(0, len(list1))]
return merged_list
bounderies = merge([-300] * 601, list(range(-300, 301)))
bounderies.extend(merge([300] * 601, list(range(-300, 301))))
bounderies.extend(merge(list(range(-300, 301)), [-300] * 601))
bounderies.extend(merge(list(range(-300, 301)), [300] * 601))
bounderies.extend(merge([-150] * 301, list(range(-150, 151))))
bounderies.extend(merge([150] * 301, list(range(-150, 151))))
bounderies.extend(merge(list(range(-150, 151)), [-150] * 301))
bounderies.extend(merge(list(range(-150, 151)), [150] * 301))
def scoreset():
global score
score += 1
scorestring = "Score: %s" % score
mypen.undo()
mypen.penup()
mypen.setposition(-340, 310)
mypen.pendown()
mypen.color("green")
mypen.write(scorestring, False, align="left", font=("arial", 16, "bold"))
# sensors
def forwardDistance():
position = (int(player.xcor()), int(player.ycor()))
heading = player.heading()
sinus = math.sin(math.radians(heading))
cosinus = math.cos(math.radians(heading))
tangent = sinus / cosinus
return doMath(heading, position, tangent)
def leftDistance():
position = (int(player.xcor()), int(player.ycor()))
if player.heading() + 90 >= 360:
heading = player.heading() + 90 - 360
else:
heading = player.heading() + 90
sinus = math.sin(math.radians(heading))
cosinus = math.cos(math.radians(heading))
tangent = sinus / cosinus
return doMath(heading, position, tangent)
def leftForwardDistance():
position = (int(player.xcor()), int(player.ycor()))
if player.heading() + 45 >= 360:
heading = player.heading() + 45 - 360
else:
heading = player.heading() + 45
sinus = math.sin(math.radians(heading))
cosinus = math.cos(math.radians(heading))
tangent = sinus / cosinus
return doMath(heading, position, tangent)
def rightDistance():
position = (int(player.xcor()), int(player.ycor()))
if player.heading() < 90:
heading = 360 - (90 - player.heading())
else:
heading = player.heading() - 90
sinus = math.sin(math.radians(heading))
cosinus = math.cos(math.radians(heading))
tangent = sinus / cosinus
return doMath(heading, position, tangent)
def rightForwardDistance():
position = (int(player.xcor()), int(player.ycor()))
if player.heading() < 45:
heading = 360 - (45 - player.heading())
else:
heading = player.heading() - 45
sinus = math.sin(math.radians(heading))
cosinus = math.cos(math.radians(heading))
tangent = sinus / cosinus
return doMath(heading, position, tangent)
def doMath(heading, position, tangent):
forwardDistance = []
minForwDist = 0
tupleCoordinate = (0, 0)
for alpha in range(1000):
if (heading < 45 and heading >= 0) or (heading < 360 and heading >= 315):
xCoordinate = position[0] + alpha
yCoordinate = xCoordinate * tangent + (position[1] - position[0] * tangent)
tupleCoordinate = (int(xCoordinate), int(yCoordinate))
elif (heading < 315 and heading >= 225):
yCoordinate = position[1] - alpha
xCoordinate = (yCoordinate - (position[1] - position[0] * tangent)) / tangent
tupleCoordinate = (int(xCoordinate), int(yCoordinate))
elif (heading < 225 and heading >= 135):
xCoordinate = position[0] - alpha
yCoordinate = xCoordinate * tangent + (position[1] - position[0] * tangent)
tupleCoordinate = (int(xCoordinate), int(yCoordinate))
elif (heading < 135 and heading >= 45):
yCoordinate = position[1] + alpha
xCoordinate = (yCoordinate - (position[1] - position[0] * tangent)) / tangent
tupleCoordinate = (int(xCoordinate), int(yCoordinate))
if tupleCoordinate in bounderies:
forwardDistance.append(player.distance(tupleCoordinate))
minForwDist = min(forwardDistance)
return minForwDist
# finished sensors
while True:
sensors = {'left': leftDistance(), 'left forward': leftForwardDistance(), 'forward': forwardDistance(),
'right forward': rightForwardDistance(), 'right': rightDistance()}
changeDirectionTo = max(sensors, key=sensors.get)
player.forward(speed)
# change Direction To
if changeDirectionTo == 'left':
player.left(90)
elif changeDirectionTo == 'left forward':
player.left(45)
elif changeDirectionTo == 'right forward':
player.right(45)
elif changeDirectionTo == 'right':
player.right(90)
# when hitting the boundary
if (int(player.position()[0]), int(player.position()[1])) in bounderies:
scoreset()
if player.xcor() > 300 or player.xcor() < -300:
player.right(30)
if player.ycor() > 300 or player.ycor() < -300:
player.right(30)
if player.position() == myObstacle.position():
player.right(30)
if player.xcor() > -150 and player.xcor() < 150 and player.ycor() > -150 and player.ycor() < 150:
player.right(30)
</code></pre>