class Pix{
  float px, py;
  float speed;
  float r, g, b;
  float rndval;
  float upd = 1;
  float updt = 1;
  int xoffset = 0;
  int yoffset = 0;
  
  Pix(float xpos, float ypos, float sp, float rd, float gr, float bl){
    px = xpos;
    py = ypos;
    speed = sp;
    r = rd;
    g = gr;
    b = bl;
    
  }
  
  void move(){
  
    rndval = lerp(2, 50, upd);
    upd = upd/1.04;
    

    int xmovement = int(random(-rndval, rndval));
    int ymovement = int(random(-rndval, rndval));
    
    if (px+xmovement > 0 && px+xmovement < 800){
      px = px+xmovement;
      xoffset = xoffset+xmovement;
    }
    if (py+ymovement > 0 && py+ymovement < 800){
      py = py+ymovement;
      yoffset = yoffset+ymovement;
    }
    
    
  }
  
  void rtrn(){
    
    rndval = lerp(5, 20, updt);
    updt = updt/1.02;

    int xmovement = int(random(0, rndval));
    int ymovement = int(random(0, rndval));
    
    if (xoffset > 0){
      px = px-xmovement;
      xoffset = xoffset-xmovement;
    }
    else if(xoffset < 0){
      px = px+xmovement;
      xoffset = xoffset+xmovement;
    }
    
    if (yoffset > 0){
      py = py-ymovement;
      yoffset = yoffset-ymovement;
    }
    else if(yoffset < 0){
      py = py+ymovement;
      yoffset = yoffset+ymovement;
    }
  }
  
  void display(){
   
    stroke(r, g, b);
    point(px, py);
  }
}