描述

This function returns the current velocity along the x axis for the given audio emitter.

语法：

audio_emitter_get_vx(emitter);

返回：

Real（实数）

例如：

if audio_emitter_get_vx(emitter_player) != 0
   {
   audio_emitter_velocity(emitter_player, 0, 0, 0);
   }

The above code checks the current x velocity of a given emitter and if it is not equal to 0, it is set to 0.