// spheroid builder
// Brock Craft
//
// updated 06 april 2005
// let this run for about a dozen iterations for the full effect
// this program saves files, if you uncomment the savefile() method
//
// Warning: this code ain't elegant - but it works!

float xpos;   // holds the x position
float ypos;   // holds the y position
float fval=5; // a
float tval=100;
int textheight;
int subtextheight;
BFont f;
boolean check=true;
float factor=.00005;
int count=0;

void setup(){
  size(500,500);   //size(1000,1412); //golden ratio!
  background(255);
  fill(50,50,50,150);
  caption();
  colorMode(HSB);
  stroke(0,250,20,60); // fill(0,250,105,250);
}

void loop(){
if (check=true){setstart();}

for (int i=0; i<50; i++){
  xpos=(width/2 + cos(fval)*tval);     // magic math
  ypos=(height/2 + sin(fval)*tval);    // more magic math
  fval=fval+.0005; // precision of the spiral - affects the curve too
 // tval=tval+5;  // tightness of the spiral's curve
                  // small changes make a big difference
  rotateX(ypos*.2);
  rotateY(ypos*factor);
    point(xpos, ypos);  // draw it!
   count=count+1;
   if (count==200000){
//     savefile();      UNCOMMENT THIS TO WRITE OUT FILES
     count=0;
     factor=factor*2.5;
     background(255);
     caption();
   }
  }
}

void setstart(){
  translate(250,100,-900);
  check=false;
}

void caption(){
  if (check == false){fill(255);}else{fill(0);}
  textheight=47;
  println(width);
  subtextheight=textheight/2;
  BFont f = loadFont("Eurostile.vlw");  
  textMode(ALIGN_CENTER);
  textFont(f, textheight);
  text("s p h e r o i d", width/2, height-(textheight));


}

// if you want to save a series of files (timestamped)
// uncomment this code.
// they look great when animated!
/*
void savefile() 
{ 
  int s = second();  // Values from 0 - 59 
  int m = minute();  // Values from 0 - 59 
  int h = hour();    // Values from 0 - 23 
  String stamp = ("rendered_"+h+"_"+m+"_"+s);
  save(stamp);
  println("File saved as: "+stamp);
}
*/