animate/Python/ShapesStuff/nodal_pattern - Copy.py

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from turtle import *
r = 1
g = 0
b = 0
tup = (r,g,b)
pencolor(tup)
change_amount = 0.1
changing_color = "r+"
#begin_fill()
pendown()
def step_color_rainbow():
global changing_color
global change_amount
global r
global g
global b
if(changing_color == "r+"):
r += change_amount
if(r>1):
r = 1
changing_color = "b-"
elif(changing_color == "g+"):
g += change_amount
if(g>1):
g = 1
changing_color = "r-"
elif(changing_color == "b+"):
b += change_amount
if(b>1):
b = 1
changing_color = "g-"
if(changing_color == "r-"):
r -= change_amount
if(r<0):
r = 0
changing_color = "b+"
elif(changing_color == "g-"):
g -= change_amount
if(g<0):
g = 0
changing_color = "r+"
elif(changing_color == "b-"):
b -= change_amount
if(b<0):
b = 0
changing_color = "g+"
def step_color_two():
global r
global g
global b
global changing_color
r1 = 0.07
g1 = 0.02
b1 = 0.35
r2 = 1
g2 = 0.07
b2 = 0.31
c_amount = 100
rdiff = r2-r1
gdiff = g2 - g1
bdiff = b2 - b1
rchange = rdiff/c_amount
gchange = gdiff/c_amount
bchange = bdiff/c_amount
#print(f"{rchange} {gchange} {bchange}")
#print(f" {r} {g} {b}")
if(changing_color == "r+"):
r += rchange
g += gchange
b += bchange
else:
r -= rchange
g -= gchange
b -= bchange
if(r >= r2):
r = r2
g = g2
b = b2
changing_color = "r-"
elif(r <= r1):
r = r1
g = g1
b = b1
changing_color = "r+"
nodes = 999
step = 330
node_angle = 360/nodes
speed(0)
bgcolor("black")
def iterations(n,s):
i = 1
while True:
x = s*i
if(x % n== 0) and (x>= n):
return i
else:
i += 1
#print(iterations(nodes,step))
distance = 1
flip = 1
while True:
forward(distance * flip)
#flip *= -1
right(step*node_angle)
#node_angle *= 1.0001
if abs(pos()) < 1:
break
#step_color_two()
#step_color_rainbow()
#print(f"{r} {g} {b}")
pencolor((r,g,b))
distance +=1
done()