python turtle画求逃生路线图
最近有个人要用turtle求生路线图，我这里画了一下，觉得挺烦的，不过最终还是画出来了。
import turtle
turtle.title('逃生路线')
turtle.tracer(0) # Turns off screen updates
grid = turtle.Turtle()
STEP = 20
LENGTH = 300
split_num=15
def draw_rectangle(width,height):
for x in range(1, 5):
if x % 2 == 1:
n = width
else:
n = height
grid.forward(n)
grid.right(90)
def draw_name(x,y): #给红色区域位置加入文字
turtle.up()
turtle.goto(x+12, y-15)
turtle.write('楼梯', align="center", font=("Courier", 10, "bold"))
turtle.down()
def draw_room_name(x,y,word): #给红色区域位置加入文字
turtle.up()
turtle.goto(x+12, y-15)
turtle.write(word, align="center", font=("Courier", 8, "bold"))
turtle.down()
def draw_floor(floor,gap): # 画楼层的形状
grid.penup()
grid.setpos(-LENGTH/2-STEP, (LENGTH-gap*STEP))
x=-LENGTH/2-STEP
y=LENGTH-gap*STEP
draw_room_name(x,y,'俱')
draw_room_name(x,y-10,'乐')
draw_room_name(x,y-20,'部')
grid.pendown()
for x in range(1, 5): # 画每个楼层最左边的矩形，宽为20，高为60
if x % 2 == 1:
n = 20
else:
n = 60
grid.forward(n)
grid.right(90)
turtle.up() # 画楼层的名字
turtle.goto(-LENGTH/2-2*STEP, LENGTH-STEP*1.5-gap*STEP)
turtle.write('第{}层'.format(floor), align="center", font=("Courier", 14, "bold"))
turtle.down()
turtle.hideturtle()
for i in range(0, LENGTH+STEP, STEP): # 画楼层的结构
if(i!=LENGTH):
if(i==STEP or i==12*STEP): # 其中楼梯区域要填充红色
grid.begin_fill()
grid.fillcolor('#FF0000')
grid.penup()
grid.setpos((-LENGTH/2 + i), LENGTH-gap*STEP)
x=-LENGTH/2 + i
y=LENGTH-gap*STEP
draw_name(x,y)
grid.pendown()
draw_rectangle(20,20)
grid.end_fill()
else: # 其他地方只需要画矩形
grid.penup()
grid.setpos((-LENGTH/2 + i), LENGTH-gap*STEP)
x=-LENGTH/2 + i
y=LENGTH-gap*STEP
draw_room_name(x,y,'房间')
grid.pendown()
draw_rectangle(20,20)
else: # 画从左往右最后一个矩形，其中最后一个矩形的还要包括右边界
grid.penup()
grid.setpos((-LENGTH/2 + i), LENGTH-gap*STEP) # go to start vertical line possition
grid.pendown()
grid.setpos((-LENGTH / 2 + i), LENGTH-2*STEP-gap*STEP)
grid.penup()
grid.setpos(-LENGTH/2, (-0-2*STEP+LENGTH-gap*STEP)) # go to start hoz line possition
grid.pendown()
grid.setpos(LENGTH/2, (0-2*STEP+LENGTH-gap*STEP))
for i in range(0, LENGTH, STEP): # 画这层楼的箭头下面的矩形区域
grid.penup()
grid.setpos((-LENGTH/2 + i), LENGTH-2*STEP-gap*STEP) # go to start vertical line possition
x=-LENGTH/2 + i
y=LENGTH-2*STEP-gap*STEP
draw_room_name(x,y,'房间')
grid.pendown()
draw_rectangle(20,20)
grid.hideturtle()
for i in range(7): # 循环遍历画每一层楼层
gap=i*4
floor=7-i
draw_floor(floor,gap)
if(i==0 or i==2 or i==4): # 给第7，5，3层楼画箭头
arraw1 = turtle.Turtle() # 画左边的箭头
arraw1.penup()
arraw1.setpos(-150,LENGTH-STEP-10-gap*STEP)
arraw1.pendown()
arraw1.forward(240)
arraw2 = turtle.Turtle()
arraw2.penup() # 画右边的箭头
arraw2.setpos(150, LENGTH-STEP-10-gap*STEP)
arraw2.pendown()
arraw2.left(180)
arraw2.forward(50)
if(i==1 or i==3 or i==5): # 给第6，4，2层录画箭头
arraw1 = turtle.Turtle()
arraw1.penup() # 画左箭头
arraw1.setpos(-150, LENGTH-STEP-10-gap*STEP)
arraw1.pendown()
arraw1.forward(20)
arraw2 = turtle.Turtle()
arraw2.penup() # 画右边的箭头
arraw2.setpos(150, LENGTH-STEP-10-gap*STEP)
arraw2.pendown()
arraw2.left(180)
arraw2.forward(260)
elif(i==6): # 给第一层楼画箭头
arraw1 = turtle.Turtle()
arraw1.penup() # 最左边的箭头
arraw1.setpos(-150, LENGTH-STEP-10-gap*STEP)
arraw1.pendown()
arraw1.forward(20)
arraw2 = turtle.Turtle() # 最右边的箭头
arraw2.penup()
arraw2.setpos(150, LENGTH-STEP-10-gap*STEP)
arraw2.pendown()
arraw2.left(180)
arraw2.forward(50)
arraw3 = turtle.Turtle() # 中间靠右的箭头
arraw3.penup()
arraw3.setpos(0, LENGTH-STEP-10-gap*STEP)
arraw3.pendown()
arraw3.forward(90)
arraw4 = turtle.Turtle() # 中间靠左的箭头
arraw4.penup()
arraw4.setpos(0, LENGTH-STEP-10-gap*STEP)
arraw4.pendown()
arraw4.left(180)
arraw4.forward(120)
def draw_description(x,y): #给红色区域位置加入文字
turtle.up()
turtle.goto(x+60, y-5)
turtle.write('疏散路线', align="center", font=("Courier", 10, "bold"))
turtle.down()
def draw_tuli(x,y):
turtle.up()
turtle.goto(x, y-5)
turtle.write('图例:', align="center", font=("Courier", 10, "bold"))
turtle.down()
def draw_description_v2(x,y): #给红色区域位置加入文字
turtle.up()
turtle.goto(x+40, y-15)
turtle.write('房间', align="center", font=("Courier", 10, "bold"))
turtle.down()
arraw5 = turtle.Turtle() # 中间靠左的箭头
arraw5.penup()
x=-LENGTH/2
y=LENGTH-5*STEP-gap*STEP
arraw5.setpos(x, y)
draw_description(x,y)
draw_tuli(x-STEP,y)
arraw5.pendown()
arraw5.forward(30)
arraw6 = turtle.Turtle() # 中间靠左的箭头
arraw6.penup()
x=-LENGTH/2+5*STEP
y=LENGTH-4.5*STEP-gap*STEP
arraw6.setpos(x, y)
draw_description_v2(x,y)
arraw6.pendown()
for x in range(1, 5): # 画每个楼层最左边的矩形，宽为20，高为60
if x % 2 == 1:
n = 20
else:
n = 20
arraw6.forward(n)
arraw6.right(90)
arraw6.hideturtle()
def draw_description_v3(x,y): #给红色区域位置加入文字
turtle.up()
turtle.goto(x, y+25)
turtle.write('N', align="center", font=("Courier", 10, "bold"))
turtle.down()
arraw2 = turtle.Turtle() # 最右边的箭头
arraw2.penup()
x=200
y=LENGTH-STEP
arraw2.setpos(200, LENGTH-STEP)
draw_description_v3(x,y)
arraw2.pendown()
arraw2.left(90)
arraw2.forward(20)
turtle.update()
turtle.exitonclick() # 按任意按键退出展示
