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Python Game Programming Tutorial: Space Invaders 2

a guest May 22nd, 2018 75 Never
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  1. import turtle
  2. import os
  3.  
  4. wn = turtle.Screen ()
  5. wn.bgcolor("black")
  6. wn.title("Space Invaders")
  7.  
  8. border_pen = turtle.Turtle()
  9. border_pen.speed(0)
  10. border_pen.color("white")
  11. border_pen.penup()
  12. border_pen.setposition(-300,-300)
  13. border_pen.pendown()
  14. border_pen.pensize(3)
  15. for side in range (4):
  16.     border_pen.fd(600)
  17.     border_pen.lt(90)
  18. border_pen.hideturtle()
  19.  
  20. player = turtle.Turtle()
  21. player.color("blue")
  22. player.shape("triangle")
  23. player.penup()
  24. player.speed(0)
  25. player.setposition(0, -250)
  26. player.setheading(90)
  27.  
  28. playerspeed = 15
  29.  
  30. def move_left():
  31.     x = player.xcor()
  32.     x -= playerspeed
  33.     if x < -280:
  34.         x = - 280
  35.     player.setx(x)
  36.  
  37. def move_right():
  38.     x = player.xcor()
  39.     x += playerspeed
  40.     if x > 280:
  41.         x = 280
  42.     player.setx(x)    
  43.  
  44.     wn.listen()
  45.     wn.onkey(move_left, "Left")
  46.     wn.onkey(move_right, "Right")
  47.  
  48.  
  49.  
  50.  
  51. delay = input("Press enter to finsh.")
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