Numworks: Generating a Colorful Matrix
(updated 10/18/2021)
Introduction
Today's script generates a 3 x 3 matrix of random integers from 1 - 9 which each of the numbers are assigned a color. The numbers are displayed in a 3 x 3 grid using the 320 x 240 pixel screen.
The colors which are assigned to each number are:
1: Shamrock Green (0, 158, 96)
2: Denim Blue (21, 96, 189)
3: Navy Blue (0, 0, 128)
4: Indigo (75, 0, 130)
5: Red (255, 0, 0)
6: Rose (255, 0, 127)
7: Brown (101, 67, 33)
8: Orange (255, 127, 39)
9: Gold (255, 223, 0)
Numworks Python Script: colormtx.py
from math import *
from random import *
from kandinsky import *
# 2020-08-25 EWS
# color arrays
# red
mr = [ 0, 21, 0, 75, 255, 255, 101, 255, 255 ]
# green
mg = [ 158, 96, 0, 0, 0, 0, 67, 127, 223 ]
# blue
mb = [ 96, 189, 128, 130, 0, 127, 33, 39, 0 ]
# set up matrix
mat = [ [ 0, 0, 0 ], [ 0, 0, 0 ], [ 0, 0, 0 ] ]
# generate random numbers, assign colors
for r in range(3):
for c in range(3):
mat[ r ][ c ] = randint(1,9)
x = 80 + 80 * c
y = 60 + 60 * r
s = mat[ r ][ c ]
draw_string(str(s), x, y, color(mr[s-1], mg[s-1], mb[s-1]))
Download the code here: https://my.numworks.com/python/ews31415/colormtx
Gratitude to Brian who let me know about my typo on the last line, it was missing the final right parenthesis.
Remember that the index of arrays and matrices go from 0 to n-1.
Examples
Eddie
All original content copyright, © 2011-2020. Edward Shore. Unauthorized use and/or unauthorized distribution for commercial purposes without express and written permission from the author is strictly prohibited. This blog entry may be distributed for noncommercial purposes, provided that full credit is given to the author.
