MoveGravity( <initial velocity>, <time> )
Module: Motion
Summary:
Fling this entity.
Call this on:
script_model, script_origin or script_brushmodel
Example:
self MoveGravity( break_vector, time );
Required Args:
1 : <initial velocity> The initial velocity to fling this entity at
2 : <time> The time to move the entity in seconds