turtle:海龜先生的意思。
Python老是用動物的名字!
首先要引入呀!
不引入當然是不可以用的呀!
turtle.forward(100):效果圖
鼠標前進100步!
後退的話,鼠標就又回來啦!
當然也可以向右向左!鼠標會改變角度!
向右旋轉多少度,向左旋轉多少度呀之類的!
turtle.left(90):這一下,又旋轉回來啦!
鼠標走過的途徑不會擦除,會一直保留着!
畫出了一個矩形,這是通過變量來控制的。也可以通過循環來控制!
import turtle
i = 0
a = 6
b = 45
while True:
if i > 33:
break
turtle.forward(a)
turtle.right(b)
turtle.forward(a)
turtle.left(b)
i+=1
來畫一個螺旋形狀的圖形!
改變一下角度就好啦!
import turtle
i = 0
a = 6
b = 90
while True:
if i > 12:
break
turtle.forward(a)
turtle.right(b)
turtle.forward(a)
i+=1
a += 10
畫出圓:
利用距離,角度。一次增加1.來實現!
import turtle
i = 0
while i < 360:
turtle.forward(1)
turtle.right(1)
i += 1
幾條邊組成的圓,你來控制!
代碼:
import turtle
i = int(input('你想要幾邊來密封呢?'))
angle = 360.0 / i
distance = 1000.0 / i
for s in range(i):
turtle.forward(distance)
turtle.right(angle)
turtle.done()
注意,數字格式:
i需要是int類型數據。要不然無法轉換!
除數最後得到的是浮點數!
- i = int(input(‘你想要幾邊來密封呢?’))
- angle = 360.0 / i
- distance = 1000.0 / i
進行顏色填充:1
目前,我掌握的所填充的必須是一個封閉圖形。一下子出來完的那種!
代碼:
import turtle
i = int(input('你想要幾邊來密封呢?'))
angle = 360.0 / i
distance = 1000.0 / i
turtle.begin_fill()
turtle.color("yellow")
turtle.circle(distance,steps=i)
turtle.end_fill()
turtle.done()
也可以通過調用函數來畫圖形!
代碼:
import turtle
def drawShape(sides,length):
angle = 360.0/sides
for side in range(sides):
turtle.forward(length)
turtle.right(angle)
def moveTurtle(x,y):
turtle.penup()
turtle.goto(x,y)
turtle.pendown()
drawShape(4,60)
moveTurtle(110,30)
drawShape(3,90)
turtle.done()
隨機生成圖像:
代碼:
shape決定繪製圖形形狀:
- 矩形
- 三角形
- 圓
import turtle
import random
def drawShape(sides,length):
angle = 360.0/sides
for side in range(sides):
turtle.forward(length)
turtle.right(angle)
def moveTurtle(x,y):
turtle.penup()
turtle.goto(x,y)
turtle.pendown()
def drawSquare(length):
drawShape(4,length)
def drawTriangle(length):
drawShape(3,length)
def drawCircle(length):
drawShape(360,length)
def drawRandom():
x = random.randrange(-200,200)
y = random.randrange(-200,200)
length = random.randrange(75)
shape = random.randrange(1,4)
moveTurtle(x,y)
if shape == 1:
drawSquare(length)
elif shape == 2:
drawTriangle(length)
elif shape == 3:
length = length % 4
drawCircle(length)
for shape in range(100):
drawRandom()
turtle.done()