def drawGalaxy():
hue = 0.0
for i in range(10000):
hue += 0.3
RGB = rb.HSB2RGB(hue, 1.0, 1.0)
tt.color(RGB[0], RGB[1], RGB[2])
tt.fd(i / 20)
tt.rt(i * 8)
def drawHelix(angle, colorRating):
hue = 0.0
for i in range(500):
hue += colorRating
RGB = rb.HSB2RGB(hue, 1.0, 1.0)
tt.color(RGB[0], RGB[1], RGB[2])
tt.fd(i)
tt.rt(angle)
def drawStar(angle=0, rate=0):
hue = 0
tt.seth(angle)
tt.goto(0, 0)
for i in range(500):
tt.fd(i)
tt.rt(144)
hue += rate
RGB = rb.HSB2RGB(hue, 1.0, 1.0)
tt.pencolor(RGB[0], RGB[1], RGB[2])
hue += 3
def drawGalaxy2():
hue = 0.0
for j in range(4):
for i in range(500):
tt.pendown()
hue += 0.3
RGB = rb.HSB2RGB(hue, 1.0, 1.0)
tt.color(RGB[0], RGB[1], RGB[2])
tt.fd(i / 20)
tt.rt(i * 8)
tt.penup()
tt.goto(0, 0)
tt.seth(0)
tt.rt((j + 1) * 90)
def drawRing(accuracy, width):
hue = 0.0
tt.pensize(width+1)
for i in range(20):
radius = 300-i*width # 每次画圆的半径都减小width个象素，
for j in range(int(360/accuracy)):
hue += accuracy
RGB = rb.HSB2RGB(hue, 1.0, 1.0)
#print(str(hue)+"->"+str(RGB))
tt.color(RGB[0], RGB[1], RGB[2])
tt.circle(radius, accuracy)
tt.penup()
x,y=tt.pos()
tt.sety(y+width) # 画下一个圆时上移 width 象素
tt.pendown()
import turtle as t
import rainbow as rb
i = 0
t.speed(0)
while i < 500:
hue = i
RGB = rb.HSB2RGB(hue, 1.0, 1.0)
t.color(RGB[0], RGB[1], RGB[2])
t.forward(i)
t.left(121)
i = i + 3
import turtle as t
import rainbow as r
t.speed(0)
for i in range(500):
RGB = r.HSB2RGB(i, 1.0, 1.0)
t.pencolor(RGB[0], RGB[1], RGB[2])
t.circle(i)
t.left(5)