ycor = turtle.ycor();
wrap = true;
} else if (agent instanceof Link) {
Link link = (Link) agent;
spotlightSize = link.size();
xcor = link.midpointX();
ycor = link.midpointY();
} else {
Patch patch = (Patch) agent;
spotlightSize = 2;
xcor = patch.pxcor();