phy_position_xprevious

The previous x position of the instance in the physics world.

语法：

phy_position_xprevious;

返回： Real（实数）

描述

This variable can be used to get (or to set) the previous x position of the instance within the game room physics world. This is the position of the instance within the physics world in the previous step to the current one.

例如：

xx = phy_position_xprevious;
yy = phy_position_yprevious;

The above code stores the previous x and y position for the physics enabled instance in two variables.

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