//Genetic Algorithm for math
//developed from:
//<http://www.ai-junkie.com/files/GA.java>
GeneticAlgorithm ga;
int target = 42;
int newTarget = 0;
int keyDigit = 0;
String targetString = "target:42";
String printout = "calculating";
String newTargetString = "";
PFont font;
boolean found = false;
void setup(){
  size(500, 100);
  font = loadFont("ArialMT-30.vlw");
  textFont(font, 30);
  ga = new GeneticAlgorithm(42);
}
void draw(){
  background(100);
  text(targetString, 0, 30);
  text(printout, 0, 60);
  text(newTargetString, 0, 90);
  if(!ga.found && !found){
    printout = "calculating - generations:"+ga.generation;
    ga.propagate();
  }
  else{
    found = true;
    newTargetString = "enter 2 digit target";
  }
}
void keyPressed(){
  if(ga.found){
    if(Character.isDigit(key)){
      if(keyDigit == 0){
        newTarget = 0;
        newTarget += (key - '0') * 10;
        targetString = "target:"+key;
        keyDigit++;
      }
      else{
        newTarget += key - '0';
        keyDigit = 0;
        ga = new GeneticAlgorithm(newTarget);
        targetString += key;
        target = newTarget;
        newTargetString = "";
        found = false;
        printout = "calculating";
      }
    }
  }
}