-
Notifications
You must be signed in to change notification settings - Fork 0
/
a08q2.py
53 lines (36 loc) · 1.46 KB
/
a08q2.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
#!/usr/bin/env python
# coding: utf-8
# In[3]:
from typing import *
import check
import math
import ipycanvas
import random
def mondrian(canvas: ipycanvas.Canvas,
x0: float, y0: float, width: float, depth: int) -> None:
"""Draw the Mondrian fractal on the canvas with points x0,y0, width of the rectangle and depth"""
canvas.fill_rect(x0, y0, width*0.47)
canvas.fill_rect(x0+0.53*width, y0+0.53*width, width*0.47)
if depth > 0:
mondrian(canvas, x0+0.53*width, y0, 0.47*width, depth-1)
mondrian(canvas, x0, y0 + 0.53*width, 0.47*width, depth-1)
def randomcolour(canvas: ipycanvas.Canvas) -> None:
"""Randomly change the colour to be used in subsequent fills on canvas."""
canvas.fill_style = random.choice(('gold', 'crimson',
'mediumblue', 'seashell', 'seashell'))
canvas = ipycanvas.Canvas(width=320, height=200)
check.expect("RC0", randomcolour(ipycanvas.Canvas(width=10, height=10)), None)
check.expect("RC1", randomcolour(canvas), None)
canvas.fill_style='black'
canvas.fill_rect(0, 50, 150)
canvas.fill_style='crimson'
check.expect("", mondrian(canvas, 0, 50, 150, 4), None)
canvas.fill_style='black'
canvas.fill_rect(220, 0, 100)
canvas.fill_style='crimson'
check.expect("", mondrian(canvas, 220, 0, 100, 1), None)
canvas.fill_style='black'
canvas.fill_rect(185, 120, 50)
canvas.fill_style='crimson'
check.expect("", mondrian(canvas, 185, 120, 50, 0), None)
display(canvas)