amkraft

var rules = {
  X: "X+YF+",
  Y: "-FX-Y"
};

function rewrite(str) {
  var s = "";
  for (var i = 0; i < str.length; i++) {
    if (rules[str[i]] !== undefined) {
      s += rules[str[i]];

amkraft

// this is a slow convex hull calculation that you can count on to work
// it's careful of the epsilon cases, and wether or not
//   to include collinear points along the hull edge

var EPSILON_LOW =  0.003;
var EPSILON =      0.00001;
var EPSILON_HIGH = 0.00000001;

function epsilonEqual(a, b, epsilon){
	if(epsilon === undefined){ epsilon = EPSILON_HIGH; }

amkraft

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup(){	 
	
	ofSetVerticalSync(true);
	
	soundStreamInput.printDeviceList();
	
	bufferSize = 256;

amkraft

// http://ssd.jpl.nasa.gov/txt/aprx_pos_planets.pdf

typedef enum{
    Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
} Planet;
//                               a                e                I                 L            long.peri.       long.node.
//                              AU               rad              deg               deg              deg              deg
static double elements[] = {0.38709927,      0.20563593,      7.00497902,      252.25032350,     77.45779628,     48.33076593,  //mercury
                            0.72333566,      0.00677672,      3.39467605,      181.97909950,    131.60246718,     76.67984255,  //venus
                            1.00000261,      0.01671123,     -0.00001531,      100.46457166,    102.93768193,      0.0,         //earth moon barycenter

amkraft

// the 5 platonic solids
//
//  + point coordinates
//  + the related drawing functions
//  + a rotate in 3D function, around the origin
//
// written for Processing (processing.org)

  int xCenter =  // center of polyhedra
  int yCenter =  // center of polyhedra