class Balloon {
  float x,y;
  float w, h;
  float s;
  float wide=0.7;
  color c;
  boolean cosine;

  Balloon() {
    this(0.1+random(0.45));
  }
  
  Balloon(float _s) {
    s = _s;
    x = random(width);
    y = height+random(height);
    w = s*width*wide;
    h = s*height;
    c = color(random(100,255), random(100,255), random(100,255));
    if(random(2)>1) cosine=true; else cosine=false;
  }

  void exist() {
    ellipseMode(CORNER);
    fill(c);
    stroke(0);
    strokeWeight(2);
    ellipse(x, y, w, h);
    triangle( x+w/2, y+h, x+w/2+5, y+h+5, x+w/2-5, y+h+5);
    y-=1;
    if(cosine) x+=cos(radians(millis()/8.0))*4.0*s;
    else x+=sin(radians(millis()/8.0))*4.0*s;
    x+=xAlter;
    x = constrain(x, 0-w/2, width-w/2);
    y +=yAlter;
  }

  boolean checkOver(int mx, int my) {
    if(mx>x && mx<x+w && my>y && my<y+h) return true;
    else return false;
  }
}