Python學(xué)習(xí)拓展資料

1、Python turtle：right()、left()、setheading()turtle.right(degree)：順時(shí)針移動(dòng)degreeturtle.left(degree)：逆時(shí)針移動(dòng)degreesetheading(angle)：設(shè)置當(dāng)前朝向?yàn)閍ngle角度for i in range(3):t.right(i*120)t.forward(200)for i in range(3):t.left(i*120)t.forward(200)for i in range(3):t.setheading(i*120)t.forward(200)拓展練習(xí)：使用Python畫小豬佩奇from

2、 turtle import * def nose(x,y):#鼻子 penup()#提起筆 goto(x,y)#定位 pendown()#落筆，開始畫 setheading(-30)#將烏龜?shù)姆较蛟O(shè)置為to_angle/為數(shù)字（0-東、90-北、180-西、270-南） begin_fill()#準(zhǔn)備開始填充圖形 a=0.4 for i in range(120): if 0=i30 or 60=i90: a=a+0.08 left(3) #向左轉(zhuǎn)3度 forward(a) #向前走a的步長(zhǎng) else: a=a-0.08 left(3) forward(a) end_fill()#填充完成

3、penup() setheading(90) forward(25) setheading(0) forward(10) pendown() pencolor(255,155,192)#畫筆顏色 setheading(10) begin_fill() circle(5) color(160,82,45)#返回或設(shè)置pencolor和fillcolor end_fill() penup() setheading(0) forward(20) pendown() pencolor(255,155,192) setheading(10) begin_fill() circle(5) color(16

4、0,82,45) end_fill() def head(x,y):#頭 color(255,155,192),pink) penup() goto(x,y) setheading(0) pendown() begin_fill() setheading(180) circle(300,-30) circle(100,-60) circle(80,-100) circle(150,-20) circle(60,-95) setheading(161) circle(-300,15) penup() goto(-100,100) pendown() setheading(-30) a=0.4 f

5、or i in range(60): if 0=i30 or 60=i90: a=a+0.08 lt(3) #向左轉(zhuǎn)3度 fd(a) #向前走a的步長(zhǎng) else: a=a-0.08 lt(3) fd(a) end_fill() def ears(x,y): #耳朵 color(255,155,192),pink) penup() #提起筆移動(dòng) goto(x,y) pendown() begin_fill() setheading(100) #當(dāng)前朝100度方向移動(dòng) circle(-50,50) #半徑50，弧度50 circle(-10,120) circle(-50,54) end_fill

6、() penup() setheading(90) forward(-12) setheading(0) forward(30) pendown() begin_fill() setheading(100) circle(-50,50) circle(-10,120) circle(-50,56) end_fill() def eyes(x,y):#眼睛 color(255,155,192),white) penup() setheading(90) forward(-20) setheading(0) forward(-95) pendown() begin_fill() circle(15

7、) end_fill() color(black) penup() setheading(90) forward(12) setheading(0) forward(-3) pendown() begin_fill() circle(3) end_fill() color(255,155,192),white) penup() seth(90) forward(-25) seth(0) forward(40) pendown() begin_fill() circle(15) end_fill() color(black) penup() setheading(90) forward(12)

8、setheading(0) forward(-3) pendown() begin_fill() circle(3) end_fill() def cheek(x,y):#腮 color(255,155,192) penup() goto(x,y) pendown() setheading(0) begin_fill() circle(30) end_fill() def mouth(x,y): #嘴 color(239,69,19) penup() goto(x,y) pendown() setheading(-80) circle(30,40) circle(40,80) def setting(): #參數(shù)設(shè)置 pensize(4) hideturtle() #使烏龜無形（隱藏） colormode(255) #將其設(shè)置為1.0或255.隨后 顏色三元組的r，g，b值必須在0 . cmode范圍內(nèi) color(255,155,192),pink) setup(840,500) speed(10) def main(): setting() #畫布、畫筆