float spin = 0.0; 
float diameter = 84.0; 
float angle;

float angle_rot; 
int rad_points = 90;
float rColor = 0;
float gColor = 0;
float bColor = 0;
float aColor= 0;
float headX;
float headY;
float speedX = .7;
float speedY = .9;

// for puff body
int cells = 1000;
float[]px= new float[cells];
float[]py= new float[cells];
float[]radiiX = new float[cells];
float[]radiiY = new float[cells];
float[]angleP = new float[cells];
float[]frequency = new float[cells];
float[]cellRadius = new float[cells];




void setup() 

{
  size(500, 650);
 
smooth();
  
  // begin in the center
  headX = width/2;
  headY = height/2;

  //fill body arrays
  for (int i=0; i< cells; i++){
    radiiX[i] = random(-29, 29); 
    radiiY[i] = random(-11, 11);
    frequency[i]= random(-10, 10);
    cellRadius[i] = random(42, 70);
  }
frameRate(30);
}

void draw() 

{ 
  background(1, 1, mouseY -80);
  
  translate(240, 180);
  noStroke();
  fill(255);
  
  angle_rot = 0;
  

    
    if(mouseY > 150) {
  
  
   fill(255, 246, 61, 200);
   ellipse(0, 0, diameter*80, diameter*80);
  for(int i=0; i<14; i++) {
    pushMatrix();
    rotate(angle_rot + -18);
    translate(0, 25);
    scale(diameter);
    strokeWeight(2);
    stroke(255, 246, 61, mouseY/3);
  noFill(); 
  beginShape();
  vertex(15, 40); 
  bezierVertex(5, 0, 80, 0, 50, 55);
  vertex(30, 45); 
  vertex(25, 75); 
  bezierVertex(50, 70, 75, 90, 80, 70); 
  endShape();
  stroke(255, 0, 0, 200);
  popMatrix();
    angle_rot += PI*2/14;
  }
for(int i=0; i<13; i++) {
    pushMatrix();
    rotate(angle_rot + -9);
    translate(0, 25);
    scale(diameter);
    strokeWeight(2);
    stroke(242, 0, 0, mouseY/ 3);
   
  beginShape();
  vertex(15, 40); 
  bezierVertex(5, 0, 80, 0, 50, 55); 
  vertex(30, 45); 
  vertex(25, 75);
  bezierVertex(50, 70, 75, 90, 80, 70); 
  endShape();
  stroke(255, 0, 0, 200);
    popMatrix();
    angle_rot += PI*2/13;
  }
  diameter = 1 * sin(angle) +.5 ;
  
  angle += 0.07;
  if (angle > TWO_PI) { angle = 0; }
   
  
    }
    
    if (mouseY < 150) {
      fill(255, 246, 61, 200);
      ellipse(0, 0, diameter * 80, diameter * 80);
    }
  
  {
 
  noStroke();
  
  fill(255, 255, 255, 3);
 translate(-200, -50);
 //follow the leader
  for (int i =0; i< cells; i++){
    if (i==0){
      px[i] = headX+sin(radians(angleP[i]))*radiiX[i];
      py[i] = headY+cos(radians(angleP[i]))*radiiY[i];
    } 
    else{
      px[i] = px[i-1]+cos(radians(angleP[i]))*radiiX[i];
      py[i] = py[i-1]+sin(radians(angleP[i]))*radiiY[i];

      //check collision of body
      if (px[i] >= width-cellRadius[i]/2 || px[i] <= cellRadius[i]/2){
        radiiX[i]*=-1;
        cellRadius[i] = random(2, 80);
        frequency[i]= random(-1, 3);
      }
      if (py[i] >= height-cellRadius[i]/2 || py[i] <= cellRadius[i]/2){
        radiiY[i]*=-1;
        cellRadius[i] = random(1, 40);
       frequency[i]= random(-2, 2);
      }
    }
    // draw puff
    ellipse(px[i],  py[i],  cellRadius[i],  cellRadius[i]);
    // set speed of body
    angleP[i]+=frequency[i]/8;
  }



  //check boundary collision of head
  if (headX >= width-cellRadius[0]/2 || headX <=cellRadius[0]/2){
    speedX*=-1;
  }
  if (headY >= height-cellRadius[0]/2 || headY <= cellRadius[0]/2){
    speedY*=-1;
  }
}
}