/*
 // Draw the "liquid"
  // Note it would probably be a good idea to make a liquid class
  
class Liquid {
  // Add drag force
  float liq_start    = 75; // Liquid location
  float liq_height   = 40; // Liquid height  
  
 void render() {
    noStroke();
  fill(200,50);
  rectMode(CORNER);
  rect(0,liq_start,width,liq_height);
  }
}
*/
  //????????????????????????????????????????????? this is not working for some reason