Causes the agent to expand toward the nearest vacant site. If there are no adjacent vacancies, the agent will push a line of agents toward the nearest vacancy, then place a copy of itself in an adjacent site.
|selfHighlight||Integer||Highlight channel on which to record the expanding nanoverse.runtime.agent. If left null, no highlight will be recorded.|
|targetHighlight||Integer||Highlight channel on which to record the target location. If left null, no highlight will be recorded.|