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<p>我正在努力完成一个课程,我做得相当好。这是一个简单的python海龟图形游戏,在这个游戏中,您可以尝试避开毒点并导航到一个正方形。但是,我的程序会在用户点击屏幕之前立即启动。我该怎么解决这个问题?谢谢!在</p>
<p>我的代码:</p>
<pre><code># This game involves avoiding red poison blobs while attempting to navigate to
# a square. If you hit the blob, you begin to speed up, making it more difficult
# not to hit more. Additionally, you lose a point. If you reach the square you
# get a point.
import turtle
import math
import random
# screen
wn = turtle.Screen()
wn.bgcolor("black")
wn.tracer(3)
# Draw border
pen1 = turtle.Turtle()
pen1.color("white")
pen1.penup()
pen1.setposition(-275,-275)
pen1.pendown()
pen1.pensize(5)
for side in range(4):
pen1.forward(550)
pen1.left(90)
pen1.hideturtle()
# player
player = turtle.Turtle()
player.color("dark green")
player.shape("turtle")
player.penup()
# poisonBlob
maxpoisonBlob = 15
poisonBlob = []
for a in range(maxpoisonBlob):
poisonBlob.<a href="https://www.cnpython.com/list/append" class="inner-link">append</a>(turtle.Turtle())
poisonBlob[a].color("dark red")
poisonBlob[a].shape("circle")
poisonBlob[a].shapesize(4, 4, 4)
poisonBlob[a].penup()
poisonBlob[a].speed(0)
poisonBlob[a].setposition(random.randint(-255, 255), random.randint(-255, 255))
maxfood = 1
food = []
for a in range(maxfood):
food.append(turtle.Turtle())
food[a].color("light blue")
food[a].shape("square")
food[a].penup()
food[a].speed(0)
food[a].setposition(random.randint(-240, 240), random.randint(-240, 240))
# speed variable
speed = 6.5
def turnleft():
player.left(30)
def turnright():
player.right(30)
def increasespeed():
global speed
speed += 1
def touchPoison(t1, t2):
d = math.sqrt(math.pow(t1.xcor()-t2.xcor(),2) + math.pow(t1.ycor()-t2.ycor(),2))
if d < 50:
return True
else:
return False
def touchfood(z1, z2):
d = math.sqrt(math.pow(z1.xcor()-z2.xcor(),2) + math.pow(z1.ycor()-z2.ycor(),2))
if d < 20:
return True
else:
return False
turtle.listen()
turtle.onkey(turnleft, "Left")
turtle.onkey(turnright, "Right")
def main():
print("Help your turtle navigate red poison blobs while attempting to navigate to the\n"
"food! If you hit the poison, you begin to speed up, making it more difficult\n"
"not to hit more. Additionally, you lose a point. If you reach the square you\n"
"get a point. To navigate, click the screen, and then use the right and left\n"
"arrow keys. Quickly, your turtle is running away!")
score = 0
while True:
player.forward(speed)
# turtle boundary
if player.xcor() > 260 or player.xcor() < -260:
player.right(180)
# turtle boundary
if player.ycor() > 260 or player.ycor() < -260:
player.right(180)
# move poison
for a in range(maxpoisonBlob):
poisonBlob[a].forward(3)
# Poison boundaries
if poisonBlob[a].xcor() > 220 or poisonBlob[a].xcor() < -220:
poisonBlob[a].right(180)
# Poision boundaries
if poisonBlob[a].ycor() > 220 or poisonBlob[a].ycor() < -220:
poisonBlob[a].right(180)
# Poison touching
if touchPoison(player, poisonBlob[a]):
increasespeed()
poisonBlob[a].setposition(random.randint(-230, 230), random.randint(-230, 230))
poisonBlob[a].right(random.randint(0,360))
score -= 1
#Draw score
pen1.undo()
pen1.penup()
pen1.hideturtle()
pen1.setposition(-260, 280)
scorestring = "Score: %s" %score
pen1.write(scorestring, font=("Calibri", 12))
for a in range(maxfood):
#Positive Point Checking
if touchfood(player, food[a]):
food[a].setposition(random.randint(-230, 230), random.randint(-230, 230))
score += 1
#Draw Score
pen1.undo()
pen1.penup()
pen1.hideturtle()
pen1.setposition(-260, 280)
scorestring = "Score: %s" %score
pen1.write(scorestring, font=("Calibri", 12))
if __name__ == "__main__":
main()
</code></pre>