# The code on the Blender side (which would be actually written in C++)
intersection_to_render = None
for intersection in intersections:
  render = intersectionCallback(intersection)
  if render:
    intersection_to_render = intersection
    break

if(intersection_to_render):
  render(intersection_to_render)  #render what is at the intersection


# Now the code of the script
def intersectionCallback(intersection) -> bool:
  # An example
  if intersection.x < 2: return True
  else: return False