int init = 3000;
int maxi = 8000;

int totale = init;
int stable = 0;
int pass = 0;
int x,y,ok,cycle,result,cliqued;
cellule[] celluleListe;
cellule[] tempListe;
float prevT = millis();
PFont frameFont;


void setup(){
  size(230,230,P3D);
  framerate(8);

  frameFont = loadFont("ArialMT-14.vlw");
  textFont(frameFont, 14);
}


void draw(){
  if(focused){
    if(stable == 0){
      if(cliqued==1){
        background(255);
        begginRandom();
      }
      cliqued = 0;
      pass++;
      stable = 1;
      updateALL();  
      showInfos();
    }
    if(mousePressed == true){
      stable = 0;
      begginRandom();
    } 
  }else{
    cliqued = 1;
    fill(255);
    stroke(0);
    rect(0,0,width-1,height-1);
    fill(50, 50, 50); 
    text("Clic pour commencer ...", 20, 150);
  }
}

class cellule{ 
  int Xpos, Ypos, lifeTime, Xmaj, Ymaj; 
  color C,Cn;
  cellule(int a, int b, color c){
    Xpos=a;
    Ypos=b;
    C = c;
    lifeTime = 0;
    if(C == color(255,0,0)){Cn = color (0,255,0);}else{Cn = color (255,0,0);}
  }
  
  void update(){
    stroke(255);
    point(Xpos, Ypos);
    
    int bob = arounding(8,Cn);
    
    Xmaj = int(random(-bob,bob));
    Ymaj = int(random(-bob,bob));
    
    if(Xmaj + Ymaj > 0){stable = 0;}
  
    Xpos += Xmaj;
    Ypos += Ymaj;
    
    if(arounding(10,Cn) > 30 && totale < maxi){
      addCellule(Xpos + int(random(-2,2)),Ypos + int(random(-2,2)),C);
      stable = 0;
    }
  }
  
  void show(){
    stroke(C);
    point(Xpos, Ypos);
  }
  
  int arounding(int zone, color type){
    int around = 0;
    for(int x=-zone; x<zone; x++){
      for(int y=-zone; y<zone; y++){
        if(get(Xpos+x, Ypos+y) == type){around ++;}
      }
    }
    return around;
  }
  
  int getX(){return Xpos;}
  
  int getY(){return Ypos;}
  
  color getC(){return C;}
} 

void showInfos(){
  if(stable == 1){
    fill(255);
    stroke(220);
    rect(2,2,226,14);
    fill(150);
    text(totale+" cellules  "+pass+" cycles.", 4, 14);
  }else{
    fill(255);
    stroke(220);
    rect(2,2,44,14);
    fill(150);
    text(totale, 4, 14);
  }
}


void begginRandom(){
  background(255);
  totale = init;
  pass = 0;
  celluleListe = new cellule[init];
  tempListe = new cellule[init];
  cycle = 0;
  color c1 = color(255,0,0);
  color c2 = color(0,255,0);
  color c3;
  for(int i=0; i<init; i++){
    ok = 0;
    if(int(random(1,3))==1){c3=c1;}else{c3=c2;}
    while(ok == 0 && cycle != 0){
      x = int(random(1,width));
      y = int(random(1,height));
      for(int t=0;  t<cycle; t++){
        if(celluleListe[t].getX() != x && celluleListe[t].getY() != y){
          ok = 1;
          celluleListe[cycle] = new cellule(x,y,c3);
        }
      }
    }
    if(cycle == 0){celluleListe[0] = new cellule(x,y,c3);}
    cycle++;
  }
}


void updateALL(){
  for(int c=0; c<totale; c++){
    celluleListe[c].update();
    celluleListe[c].show();
  }
}


void addCellule(int x, int y, color c){
  tempListe = celluleListe;
  totale ++;
  celluleListe = new cellule[totale];
  arraycopy(tempListe, celluleListe);  
  celluleListe[totale-1] = new cellule(x,y,c);
}