
Код AS3:
var speed:uint = 1;
var vX:uint = 0;
var vY:uint = 0;
if (Math.random()<.5) vX = (Math.random()<.5) ? 1 : -1;
else vY = (Math.random()<.5) ? 1 : -1;
/* in move handler */
/**/ moveObject.x += speed*vX;
/**/ moveObject.y += speed*vY;
/* in move handler */