Circles and rays for jewelery measure

circle-rays.py

from PIL import Image, ImageDraw
import math

increment = 10
margin = 0
size = 640*2
angle_increment = 5

image = Image.new('RGBA', (size, size))
draw = ImageDraw.Draw(image)

def draw_circle(margin, draw):
  draw.ellipse((margin, margin, size-margin, size-margin), fill = 'white', outline ='pink')

while margin * 2 < size:
  draw_circle(margin, draw)
  margin = margin + increment

def ray(angle):
  x_middle, y_middle = (size/2, size/2)
  x, y = (size, size/2)
  
  hipotenusa = x - x_middle 
  
  adjacente = math.cos(math.radians(angle)) * hipotenusa
  x_right = x_middle + adjacente
  x_left = x_middle - adjacente
  
  oposto = math.sin(math.radians(angle)) * hipotenusa
  y_up = y_middle - oposto
  y_down = y_middle + oposto

  draw.line( (x_middle, y_middle, x_right, y_up), fill = "pink")
  draw.line( (x_middle, y_middle, x_right, y_down), fill = "pink")
  draw.line( (x_middle, y_middle, x_left, y_up), fill = "pink")
  draw.line( (x_middle, y_middle, x_left, y_down), fill = "pink")

angle = 0
while angle < 91:
  ray(angle)
  angle = angle + angle_increment
  
draw_circle(margin-increment, draw)  

image.resize((size/2, size/2), Image.ANTIALIAS).save("teste.png")