Python_Turtle繪制余弦函式(采用一維線描法繪制二維平面)(turtle實作)
- 1.LineToFaceCos.py
- 2.結果示例
【注1】采用線動成面的原理,使用一維線去繪制二維平面圖形!
【注2】密集的描豎直線即可!
1.LineToFaceCos.py
import turtle as tle
import math
tle.speed(0)
tle.delay(0)
tle.pensize(1)
tle.pencolor("blue")
tle.tracer(True)
#tle.tracer(False)
col = ["blue","green"]
def subline(x,coll,y=[]):
tle.pencolor(coll)
tle.penup()
tle.goto(x,-220)
tle.pendown()
for i in y:
tle.goto(x,i-2)
tle.penup()
tle.goto(x,i+2)
tle.pendown()
tle.goto(x,220)
k = 0
i = -150
while(i<=150):
if k == 2:
k = 0
i = i + 1
y = []
y.append(70*math.cos(0.06*i+4)+20)
subline(i,col[k],y)
k = k + 1
tle.done()
2.結果示例

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標籤:python
