dynamic text with fire particles
...
@author mousman
/**
* Copyright mousman ( http://wonderfl.net/user/mousman )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/m6oy
*/
package
{
import flash.display.BitmapData;
import flash.display.DisplayObject;
import flash.display.Shape;
import flash.display.Sprite;
import flash.errors.ScriptTimeoutError;
import flash.events.Event;
import flash.events.TimerEvent;
import flash.filters.BitmapFilterQuality;
import flash.filters.BitmapFilterType;
import flash.filters.BlurFilter;
import flash.filters.GlowFilter;
import flash.filters.GradientGlowFilter;
import flash.geom.ColorTransform;
import flash.text.TextField;
import flash.text.TextFormat;
import flash.utils.Timer;
/**
* ...
* @author mousman
*/
[SWF(width="460", height="460", backgroundColor="0x0", frameRate="30")]
public class Main extends Sprite
{
private var _fire:FireParticules;
private var _width:Number = 460;
private var _height:Number = 460;
private var _attractor:Sprite;
private var _timer:Timer;
public function Main()
{
_fire = new FireParticules();
addChild(_fire);
_fire.start();
setAtractor("10");
_timer = new Timer(3000);
_timer.addEventListener(TimerEvent.TIMER, timerHandler);
_timer.start();
}
private function timerHandler(e:TimerEvent):void
{
var text:String = (_timer.currentCount+10).toString();
setAtractor(text);
}
private function setAtractor(txt:String):void {
_attractor = new Sprite();
var bg:Shape = new Shape();
bg.graphics.beginFill(0);
bg.graphics.drawRect(0, 0, _width, _height);
bg.graphics.endFill();
_attractor.addChild(bg);
var texte:TextField = new TextField();
//texte.autoSize = "center";
//texte.width = 150;
var textFormat:TextFormat;
textFormat = new TextFormat();
textFormat.font = "Arial";
textFormat.size = 100;
textFormat.bold = true;
texte.defaultTextFormat = textFormat;
texte.text = "patrick";
texte.scaleX = 4;
texte.scaleY = 3;
var colors:Array = [0x0000ff, 0x0000ff];
var alphas:Array = [0, 1];
var ratios:Array = [0, 255];
var blurX:Number = 24;
var blurY:Number = 24;
var strength:Number = 1;
var type:String = BitmapFilterType.OUTER;
var quality:int = BitmapFilterQuality.HIGH;
var filter:GradientGlowFilter= new GradientGlowFilter(0,0,colors,alphas,ratios,blurX,blurY,strength,quality,type);
texte.filters = [filter];
texte.x = 30;
texte.y = 30;
_attractor.addChild(texte);
_fire.addAttractor(_attractor as DisplayObject);
}
}
}
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.BitmapDataChannel;
import flash.display.DisplayObject;
import flash.display.Sprite;
import flash.filters.BlurFilter;
import flash.geom.ColorTransform;
import flash.events.Event;
class FireParticules extends Sprite {
private var bmpdata:BitmapData;
private var colortrans:ColorTransform;
private var filter:BlurFilter;
private var vectormap:BitmapData;
private var particles:Vector.<Particle>;
private var particle_number:uint = 30000;
private var _width:Number = 460;
private var _height:Number = 460;
private var compteur:int = 0;
private var perlincpt:int = 0;
private var _flux:int = 10;
private var _ratio:int = 8;
private var _rx:int = 16;
private var _ry:int = 16;
private var _pColor:int = 0xE5AF64;
private var _blurX:int = 8;
private var _blurY:int = 12;
private var _xForce:Number = 0.002;
private var _yForce:Number = 0.0015;
private var _attractor:BitmapData;
public function FireParticules() {
}
public function start():void
{
_attractor = new BitmapData(_width, _height, false, 0x000080);
bmpdata = new BitmapData( _width, _height, false, 0);
addChild( new Bitmap(bmpdata));
colortrans = new ColorTransform( 0.96, 0.85, 0 );
filter = new BlurFilter( _blurX, _blurY, 1);
vectormap = new BitmapData( _width, _height, false, 0);
reset();
addEventListener( Event.ENTER_FRAME, enterframe);
}
private function reset():void {
var randomSeed:int = Math.random() * 0xFFFFFFFF;
var colors:uint = BitmapDataChannel.RED | BitmapDataChannel.GREEN;
setPerlin();
particles = new Vector.<Particle>(particle_number,true);
for( var i:int = 0; i < 20000; i++){
particles[i] = new Particle(Math.random()*_width,startY);
}
compteur = 20000;
}
private function setPerlin():void {
var pX:int;
var pY:int;
var randomSeed:int = Math.random() * 0xFFFFFFFF;
var colors:uint = BitmapDataChannel.RED | BitmapDataChannel.GREEN;
vectormap.perlinNoise( _width / _rx, _height / _ry, _ratio, randomSeed, true, false, colors);
}
private function enterframe(e:Event):void {
bmpdata.colorTransform( bmpdata.rect, colortrans);
bmpdata.lock();
var nb:int = compteur;
perlincpt ++;
if (perlincpt / stage.frameRate > 10 ) {
setPerlin();
perlincpt = 0;
}
for( var i:int = 0; i <nb; i++){
var p:Particle = particles[i];
var perlinColor:uint = vectormap.getPixel( p.x, p.y );
var attractorColor:uint = _attractor.getPixel( p.x, p.y );
var red:int = ( ( perlinColor >> 16 ) -0x50 );
var green:int = (( perlinColor & 0x00ff00) >> 8) -0x70 ;
var blue:int = (( attractorColor & 0x0000ff) );
p.vx += red * _xForce;
p.vy += green * _yForce;
p.x += p.vx;
p.y += p.vy;
attractorColor = _attractor.getPixel( p.x, p.y );
var newBlue:int = (( attractorColor & 0x0000ff) );
if (newBlue < blue) {
p.vx += -Math.abs(p.vx)/p.vx * newBlue/20;
p.vy += -Math.abs(p.vy)/p.vy * newBlue/20;
p.x += p.vx;
p.y += p.vy;
}
else if (newBlue > blue){
p.x += Math.abs(p.vx) *2/ p.vx;
p.y += Math.abs(p.vy) *2/ p.vy;
}
if ( p.x > _width ) {
p.vx = 0;
p.vy = 0;
p.x = int( Math.random() * _width);
p.y = startY;
}
else if ( p.x < 0 ) {
p.vx = 0;
p.vy = 0;
p.x = int( Math.random() * _width);
p.y = startY;
}
if ( p.y > _height ) {
p.vx = 0;
p.vy = 0;
p.x = int( Math.random() * _width);
p.y = startY;
}
else if ( p.y < 0 ) {
p.vx = 0;
p.vy = 0;
p.x = int( Math.random() * _width);
p.y = startY;
}
bmpdata.setPixel( p.x, p.y, _pColor );
}
if (compteur < particle_number) {
var flux:int = ( (compteur + _flux) > particle_number ) ? particle_number-compteur:_flux;
for ( var j:int = compteur; j < (compteur + flux); j++) {
particles[j] = new Particle(Math.random() * _width, startY);
}
compteur += flux;
}
bmpdata.applyFilter( bmpdata, bmpdata.rect, bmpdata.rect.topLeft, filter);
bmpdata.unlock()
}
public function addAttractor(dO:DisplayObject):void {
_attractor = new BitmapData(_width, _height, false, 0x000000);
_attractor.draw(dO);
}
public function removeAttractor():void {
_attractor = new BitmapData(_height, _height, false, 0x000080);
}
private function get startY():int {
var value:int = _height-50;
return value;
}
}
class Particle{
public var x:Number;
public var y:Number;
public var ax:Number = 0;
public var ay:Number = 0;
public var vx:Number = 0;
public var vy:Number = 0;
function Particle( px:Number, py:Number){
x = px;
y = py;
}
}