ArrayList<Spiral> spirals = new ArrayList<Spiral>();
Spiral current = null;

void setup(){

   size(500,500); 
   textSize(40);
   stroke(255);

  Spiral starter = new Spiral(250,250);
  starter.go();
  spirals.add(starter);
}

void mousePressed(){
  current = new Spiral(mouseX,mouseY);
}  
void mouseDragged(){
   if(current != null) {
      current.x = mouseX;
     current.y = mouseY; 
   }
}
void mouseReleased(){
  current.go();
   spirals.add(current); 
   current = null;
}


void draw(){
  background(0,0,80);
 
  ArrayList<Spiral> doneSpirals = new ArrayList<Spiral>();
  for(Spiral s : spirals){
    s.draw();
    
    if(s.done()){
       doneSpirals.add(s); 
    }
  }
  spirals.removeAll(doneSpirals);
    if(current != null)current.draw();
}


class Spiral{
  float x,y;
  
  float sz = 1.0;
  float ang = 0;
 
  boolean going = false; 
  float mul = 1.01;
  
  float adelta = .02;
  
  float lastS;
  
  void go(){
     going = true;
     mul = 1.05;
    adelta =  .075;
  }
 
  
  boolean done(){
    return(lastS > 20); 
  }
  
  String before = "Me";
  String after = "y Christmas!";
  float rcount = 2;
  
  
   Spiral(float px, float py){
      x = px; y = py;
   } 
   

  void draw(){
    
      String m = before;
      for(int i = 0; i<rcount;i++){
         m += "r"; 
      }
      m += after;
    
      float a = ang;
      ang -= adelta;
    
      float s = sz;
      sz *= mul;
    
      pushMatrix();
      translate(x,y);
      
      float t = 0;
      
      
      for(int i = 0; i < m.length();i++){
        
        if(i % 2 == 0){
            fill(0,180,0);
        } else {
           fill(180,0,0);          
        }
        
        a += .35;
        s *= .95;
        pushMatrix();        
        rotate(a);

       // textSize(10 * s);
        

        translate(0, -15 * s);
        float adj = map(mouseX,0,500,-1,1);
        rotate(.244);
        text(m.substring(i,i+1),0,0);
        popMatrix();
        
        lastS = s;
      }
      
      
      popMatrix();
      
        
    if(!going) rcount += .1;
    
  }
  
}