In the computer animation created by artificial life, some behaviors of artificial life in virtual environment are pre-defined by programmers, and some are nondeterministic arise at random.

• 在用人工生命方法生成的计算机动画中，智能生命在虚拟环境中的行为有程序员事先设定好的预定义行为，同时也有随机出现的随意性行为。