phy_position_yprevious

This variable can be used to get (or to set) the previous y 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

Syntax:

phy_position_yprevious;

Returns:

Real (single precision floating point value, or undefined if the instance is not physics enabled)

Example:

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.