# 导弹发射小游戏完整源代码
# Designed by Mcoblack 公众号pythonwanyuxue
import turtle
import random
# 设置屏幕画布的大小背景
wn = turtle.Screen()
wn.setup(600, 600)
wn.bgcolor('black')
wn.bgpic("stars.gif")
# 变量
TARGET_LLEFT_X = 100 # 目标的X坐标
TARGET_LLEFT_Y = 250 # 目标的Y坐标
TARGET_WIDTH = 25 # 目标方块的宽度
FORCE_FACTOR = 30 # 力量因数
PROJECTILE_SPEED = 1 # 导弹速度
NORTH = 90 # 正北的角度
SOUTH = 270 # 正南的角度
EAST = 0 # 正东的角度
WEST = 180 # 正西的角度
# 画导弹要击中的正方形目标
a = turtle.Turtle()
a.hideturtle()
a.speed(0)
a.penup()
a.goto(TARGET_LLEFT_X, TARGET_LLEFT_Y)
a.pendown()
a.fillcolor('orange')
a.begin_fill()
a.pencolor('yellow')
for dir in [EAST,NORTH,WEST,SOUTH]:
a.setheading(dir)
a.forward(TARGET_WIDTH)
a.end_fill()
a.penup()
# 画一批星形.
a.pencolor('white')
def stars(turtle):
turtle.speed(0)
turtle.up()
x = random.randint(-300,400)
y = random.randint(-300,300)
turtle.goto(x,y)
turtle.down()
turtle.dot()
for i in range(50):
stars(a)
# 画个星球
a.pencolor('black')
a.goto(-129, -270)
a.pendown()
a.fillcolor('green')
a.begin_fill()
a.circle(25)
a.end_fill()
a.penup()
# 再画个星球
a.pencolor('black')
a.goto(-200, 200)
a.pendown()
a.fillcolor('blue')
a.begin_fill()
a.circle(30)
a.end_fill()
a.penup()
# 再画个星球
a.pencolor('black')
a.goto(275, -150)
a.pendown()
a.fillcolor('brown')
a.begin_fill()
a.circle(30)
a.end_fill()
a.penup()
# Draw the ship.
a.pencolor('black')
a.goto(-34, -16)
a.pendown()
a.fillcolor('gray')
a.begin_fill()
a.circle(25)
a.end_fill()
a.penup()
a.goto(-15, -2)
a.pendown()
a.fillcolor('black')
a.begin_fill()
a.circle(10)
a.end_fill()
a.penup()
a.goto(-35,-13)
a.pendown()
a.pencolor('black')
a.setheading(0)
a.forward(55)
a.penup()
# 目标物体写几个字
a.goto(135,270)
a.pendown()
a.pencolor('white')
a.write("That's Something!")
a.penup()
# 显示导弹
a.goto(0, 0)
a.setheading(EAST)
a.pencolor('red')
a.showturtle()
a.speed(PROJECTILE_SPEED)
print()
print('目标指向方形物体，发射导弹击中目标')
print('祝你好运!')
active = True
while active:
a_angle = input("输入导弹角度: ")
f_force = input("输入导弹的力度(1-10): ")
if a_angle == "" and f_force == "":
active = False
else:
angle =float(a_angle)
force = float(f_force)
distance = force * FORCE_FACTOR
a.setheading(angle)
a.pendown()
a.forward(distance)
if (a.xcor() >= TARGET_LLEFT_X and
a.xcor() <= (TARGET_LLEFT_X + TARGET_WIDTH) and
a.ycor() >= TARGET_LLEFT_Y and
a.ycor() <= (TARGET_LLEFT_Y + TARGET_WIDTH)):
print('击中目标！')
active = False
elif (angle > 70):
print('再小一点点角度!')
a.undo()
elif (angle < 63):
print('再大一点角度!')
a.undo()
elif (angle == 70 and force == 10):
print('你射过头了!')
print('试着再小点角度，小点力度!')
a.undo()
elif (angle == 70 and force <= 9):
print('好近哦!')
print('再小点角度!')
a.undo()
elif (angle == 70 and force <= 7):
print('小点角度，更多力度!')
a.undo()
elif (angle == 69 and force == 10):
print('射过头了!')
print('稍微小点角度，小点力度!')
a.undo()
elif (angle == 69 and force <= 9):
print('有点短有点歪')
print('再稍小点角度试试!')
a.undo()
elif (angle == 68 and force == 10):
print('刚射过头一丢丢儿!')
print('再小点力度')
a.undo()
elif (angle == 68 and force <= 8):
print('力度太小!')
print('大点力度!')
a.undo()
elif (angle == 67 and force == 10):
print('你射过头了!')
print('更小的力度，合适的角度')
a.undo()
elif (angle == 67 and force <= 9):
print('好近哦!')
print('试试更大力度，合适的角度!')
a.undo()
elif (angle == 66 and force <= 9):
print('方向不错!')
print('试着大点力度!')
a.undo()
elif (angle == 65 and force == 10):
print('你射过头了!')
print('大点角度小点力度!')
a.undo()
elif (angle == 65 and force <= 9 and force >= 8):
print('好近哦，马上快成功了!')
print('试试更大点的角度和力度!')
a.undo()
elif (angle == 65 and force <= 7):
print('试试更大点的角度和力度!')
a.undo()
elif (angle == 64 and force == 10):
print('你射过头了!')
print('Try a bit more angle and less force!')
a.undo()
elif (angle == 64 and force <= 9 and force >= 8):
print('So close!')
print('Try more angle and more force!')
a.undo()
elif (angle == 64 and force <= 7):
print('Try more angle and more force!')
a.undo()
elif (angle == 63 and force == 10):
print('You overshot!')
print('Try a bit more angle and less force!')
a.undo()
elif (angle == 63 and force <= 9 and force >= 8):
print('So close!')
print('Try more angle and more force!')
a.undo()
elif (angle == 63 and force <= 7):
print('Try more angle and more force!')
a.undo()
else:
print('You missed the target.')
a.undo()
