December 2010
3 posts
1 tag
Ulam Spiral in Processing
/*
So I found the YouTube Channel of ViHart. She's got these
quirky, awesome math videos involving lots of doodles.
Her most recent video is on the Ulam Spiral, so I thought
I would try to recreate it in processing.
Enjoy. Here's the video of her drawing.
http://www.youtube.com/watch?v=Yhlv5Aeuo_k
*/
void setup() {
size(400, 400);
background(255);
}
void draw() {
int cy = height...
1 tag
Reading OBJ files in MATLAB
% Not the most exciting code that I've written recently.
% Can you tell that it's finals week and I'm a little busy?
% readobj
% Reads the obj file format.
function [v, vt, vn, f] = readobj(filename)
fid = fopen(filename, 'r');
vcount = 0;
vtcount = 0;
vncount = 0;
fcount = 0;
v = [];
vt = [];
vn = [];
f = [];
% Iterate through each line of the OBJ file.
while ~feof(fid)
line =...
1 tag
Simple Animations in Python
from graphics import *
import time
"""
In the CS 141 class that I teach at Rhodes College we
use a simple graphics library written by Dr. John Zelle
to demonstrate basic object oriented programming topics.
My assignment to the class was to use the graphics library
to tell a simple story. This program tells the story
of a frog sitting on a lily pad made of gold coins (I'm
not sure why I put in...
