getBounds from points

getBounds.pde

Rectangle getBounds(ArrayList<PVector> vv) {
    if (vv.size()==0) return new Rectangle();
    float xMin = Float.POSITIVE_INFINITY;
    float yMin = Float.POSITIVE_INFINITY;
    float xMax = Float.NEGATIVE_INFINITY;
    float yMax = Float.NEGATIVE_INFINITY;
    for (int i=1; i<vv.size(); i++) {
      xMin = min(xMin,vv.get(i).x);
      yMin = min(yMin,vv.get(i).y);
      xMax = max(xMax,vv.get(i).x);
      yMax = max(yMax,vv.get(i).y);
    }
    Rectangle r = new Rectangle();
    r.setFrame(xMin,yMin,xMax-xMin,yMax-yMin);
    return r;
  }