//Random number between -1 and 1 var dir = Math.random() * 2 - 1; //The code below will run if "dir" equals to 0 and will run until "dir" is different than 0 while(dir == 0) { //Get another random number until its different than 0 dir = Math.random() * 2 - 1; }

onClipEvent(load) { //Import libraries need for the animation import mx.transitions.Tween; import mx.transitions.easing.*; //Create a function called "reset()" to reuse the code below when necessary function reset() { //Random scale between 3 and 9 this._xscale = this._yscale = Math.random() * 6 + 3; //Random alpha 50 to 100 this._alpha = Math.random() * 50 + 50; //Rotation 0º to 360º this._rotation = Math.random() * 360; //Random position above the stage, between -200 and -100 this._y = Math.random() * 100 - 200; //Random position for the _x coordinate this._x = Math.random() * Stage.width; //Get random _y speed, 2 to 7 yspeed = (Math.random() * 5 + 2); //Random _x speed, 1 to 5. Speed will be negative if the variable "dir" is negative xspeed = (Math.random() * 4 + 1) * _root.dir; //Whether this image is selected or not select = false; } //Call the function "reset()" for the first time reset(); }

onClipEvent(enterFrame) { //If the images are loaded and this MC is not selected if ((!select) && (_root.ready)) { //Move on the _x coordinate this._x += xspeed; //Move on the _y coordinate this._y += yspeed; } //If this MC left the screen in any direction, call the function reset() if(this._y > Stage.height) { reset(); } if(this._x < -50) { reset(); } if(this._x > Stage.width + 50) { reset(); } }