Amazing Python Animation - Draw a Sphere

1from turtle import *
2import math
3import colorsys
4
5# --- Setup ---
6bgcolor("black") 
7setup(700, 700)
8tracer(2)  # Controls the animation buffer
9hideturtle()
10width(1)
11
12points = []
13
14# Phase 1: Coordinate Generation
15# Using the circle formula: x = r * cos(theta), y = r * sin(theta)
16for i in range(900):
17    angle = 2 * math.pi * i / 900
18    x = 300 * math.cos(angle)
19    y = 300 * math.sin(angle)
20    points.append((x, y))
21
22# Phase 2: Drawing Logic
23for i in range(900):
24    start_point = points[i]
25    end_point = points[(i * 99) % 900]
26    
27    hue = i / 900
28    rgb = colorsys.hsv_to_rgb(hue, 1.0, 1.0)
29    pencolor(rgb)
30    
31    penup()
32    goto(start_point)
33    pendown()
34    goto(end_point)
35
36# --- Finalization ---
37update() # Forces the buffer to render the final image
38done()   # Keeps the window open