How to remove the object from the stage

Hello

I am currently implementing an AS3 code that generates a snow effect on the scene.  I am using the code from this site, but has difficulty:

http://www.Kirupa.com/developer/flashcs4/falling_snow_as3_cs4_pg5.htm

I have no difficulty in implementing of the snow, but I can't understand how get rid of it once it's there!  Here's the code, I have:

(main.as)

main/public class extends MovieClip

{

var snowamount = 50;

public void main()

{

scene9. SnowPlus.addEventListener (MouseEvent.MOUSE_DOWN, moresnow);

}

function makeItSnow()

{

for (var i: int = 0; i < snowamount; i ++)

{

var newSnowFlake:Snowflake = new Snowflake();

this.addChild (newSnowFlake);

newSnowFlake.SetInitialProperties ();

triggerSnowAnimation();

}

}

function moresnow (MouseEvent): void

{

snowamount += 20;

makeItSnow();

}

function triggerSnowAnimation()

{

If (snowamount > = 160)

{

scene9.gotoAndPlay (3);

scene9. SnowPlus.Visible = false;

}

}

(Snowflake.as)

SerializableAttribute public class extends MovieClip Snowflake

{

private var xPos:Number = 0;

private var yPos:Number = 0;

private var xSpeed:Number = 0;

private var ySpeed:Number = 0;

private var radius: Number = 0;

private var scale: Number = 0;

private var alphaValue:Number = 0;

private var maxHeight:Number = 0;

private var maxWidth:Number = 0;

public void Snowflake()

{

}

public void SetInitialProperties()

{

xSpeed is.05 + Math.random () *.1;.

ySpeed =.1 + Math.random () * 3;

RADIUS =.1 + Math.random () * 2;

Scale =.01 + Math.Random ();

alphaValue =.1 + Math.Random ();

var stageObject:Stage = this.stage in the stadium;

maxWidth = stageObject.stageWidth;

maxHeight = stageObject.stageHeight;

This.x = Math.random () * maxWidth;

This.y = Math.random () * maxHeight;

PosX = this.x;

yPos = this.y;

this.scaleX = this.scaleY = scale;

This.Alpha = alphaValue;

this.addEventListener (Event.ENTER_FRAME, MoveSnowFlake);

}

function MoveSnowFlake(e:Event)

{

xPos += xSpeed;

yPos += ySpeed;

This.x += radius * Math.cos (xPos);

This.y += ySpeed;

If (this.y - this.height > maxHeight)

{

This.y = - 10 - this.height;

This.x = Math.random () * maxWidth;

}

}

}

The code is not so difficult to understand, in fact.  I have a button that adds "snowamount" to the variable, so more snow is done on the scene when the button is clicked.  However, once the "snowamount" gets above 160 bee, I trigger an animation.  Once the animation is completed, I want the snow to disappear from the scene.  But I can't understand the correct way to do everything.  Any help would be appreciated!  Thank you very much in advance.

create an array and store your references to Snowflake in this table.  When you are ready to remove the snow flakes, loop in the table.

main/public class extends MovieClip

{

var snowamount = 50;

var snowFlakeA:Array = [];

public void main()

{

scene9. SnowPlus.addEventListener (MouseEvent.MOUSE_DOWN, moresnow);

}

function makeItSnow()

{

for (var i: int = 0; i< snowamount;="">

{

var newSnowFlake:Snowflake = new Snowflake();

snowFlakeA.push (newSnowFlake);

this.addChild (newSnowFlake);

newSnowFlake.SetInitialProperties ();

triggerSnowAnimation();

}

}

function moresnow (MouseEvent): void

{

snowamount += 20;

makeItSnow();

}

function triggerSnowAnimation()

{

If (snowamount > = 160)

{

scene9.gotoAndPlay (3);

scene9. SnowPlus.Visible = false;

}

}

(Snowflake.as)

SerializableAttribute public class extends MovieClip Snowflake

{

private var xPos:Number = 0;

private var yPos:Number = 0;

private var xSpeed:Number = 0;

private var ySpeed:Number = 0;

private var radius: Number = 0;

private var scale: Number = 0;

private var alphaValue:Number = 0;

private var maxHeight:Number = 0;

private var maxWidth:Number = 0;

public void Snowflake()

{

}

public void SetInitialProperties()

{

xSpeed is.05 + Math.random () *.1;.

ySpeed =.1 + Math.random () * 3;

RADIUS =.1 + Math.random () * 2;

Scale =.01 + Math.Random ();

alphaValue =.1 + Math.Random ();

var stageObject:Stage = this.stage in the stadium;

maxWidth = stageObject.stageWidth;

maxHeight = stageObject.stageHeight;

This.x = Math.random () * maxWidth;

This.y = Math.random () * maxHeight;

PosX = this.x;

yPos = this.y;

this.scaleX = this.scaleY = scale;

This.Alpha = alphaValue;

this.addEventListener (Event.ENTER_FRAME, MoveSnowFlake);

}

function MoveSnowFlake(e:Event)

{

xPos += xSpeed;

yPos += ySpeed;

This.x += radius * Math.cos (xPos);

This.y += ySpeed;

If (this.y - this.height > maxHeight)

{

This.y = - 10 - this.height;

This.x = Math.random () * maxWidth;

}

}

function removeSnowF (): void {}

for (var i: int = snowFlakeA.length - 1; i > = 0; i--) {}

this.removeChild (snowFlakeA [i]);

snowFlakeA.splice (i, 1);

}

}

}

Tags: Adobe Animate

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