Returns the active state of the instance.



返回: 布尔值


This read-only variable returns whether or not the instance is currently "sleeping" (true) or not (false), A "sleeping" instance is one that is not actively engaged in any physical simulation. GameMaker Studio 2 will put objects to sleep to save simulation cycles when an instance is at rest and not in collision with another instance.


if phy_sleeping
   instance_destroy(); // 销毁实例

The above code checks to see if the object is being actively simulated or not and if it is not it is destroyed.

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