float x = 0.0;
int y = 0;

void setup(){
  size(500, 500);
  background(255);
  smooth();
}

void draw() {
  fill(255);
  ellipse(250, 400, 150, 50);
  stroke(0, 50 ,190);
  line(150, 50, 250, 200);
  line(350, 50, 250, 200);
  line(250, 200, 250, 400);
  line(251, 200, 250, 400);
  line(249, 200, 250, 400);

  stroke(85, 12, 35);
  line(250-2*x/3, 200-y, 250+2*x/3, 200-y);
  if(y < 130){
    x++;
    y++;
  }else{
    x=0;
    y=0;
  }
  
}