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# Ant Farm by fjwuxn

VIEWS: 4 PAGES: 2

• pg 1
Ant Farm

Created with Macromedia Flash 2004 / Actionscript 2.0

//How many ants do we want?
var numAnts:Number = 50;

//Function for generating a random number
var numRandom:Function= function(seed:Number) {
return Math.floor(Math.random()*seed);
}

//Function to create an ant
var createAnt:Function = function () {
//Assign our new movieclip a name
var antName:String = "ant" + i;
//Attach the movie to the canvas
attachMovie("ant", antName, i);
//Generate a random size
var scaleFactor:Number = numRandom(9);
this[antName]._xscale = 8+scaleFactor;
this[antName]._yscale = 8+scaleFactor;
//Generate random speed, drift, coords, and angle
this[antName].speed = numRandom(3)+1;
this[antName].drift = numRandom(4)+2;
this[antName]._x = numRandom(500);
this[antName]._y = numRandom(500);
this[antName]._rotation = numRandom(360);
//Specify foot to step with first
var step:String = "right";
//Instantiate our rotation var
//so our ants can wander around aimlessly
var rotation:Number = 0;
//Create enterFrame event handler for animation
this[antName].onEnterFrame = function () {
//if we are stepping with our right foot
//and our legs are rotated less than 2 degrees
//rotate 1 degree
if ((this.antLegs._rotation < 2) && (step == "right")) {
this.antLegs._rotation += 1;
}
//if we are stepping with our left foot
//and our legs are rotated less than -2 degrees
//rotate -1 degree
if ((this.antLegs._rotation > -2) && (step == "left")) {
this.antLegs._rotation -= 1;
}
//If we are rotated all the way right
//switch to left
if (this.antLegs._rotation == 2) {
step = "left";
}
//If we are rotated all the way left
//switch to right
if (this.antLegs._rotation == -2) {
step = "right";
}
//Calculate the angle of the body
incRotation = (numRandom(100-(this.drift*rotation))-50)/100;
rotation += incRotation;
this._rotation += rotation;
//Calculate the position of the ant
posX =this.speed * Math.sin((this._rotation/180)*Math.PI);
posY = -this.speed * Math.cos((this._rotation/180)*Math.PI);
this._x += posX;
this._y += posY;
//If we are off the stage, send our ant back
//in the direction he came from
if ((((this._x < -20) ||
(this._x > Stage.width + 20)) ||
(this._y < -20)) ||
(this._y > Stage.height + 20)) {
this._rotation += 180;
}
};
}

//Loop through the specified number of ants we
//want to create and create them
for (var i = 0;i < numAnts; i++) {
createAnt();
}

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