LightFire
//////////////////////////////////////////////////////////////////////////////
[AS3.0] 燃える火・きらめく星・流れる水
http://www.project-nya.jp/modules/weblog/details.php?blog_id=1047
//////////////////////////////////////////////////////////////////////////////
/**
* Copyright ProjectNya ( http://wonderfl.net/user/ProjectNya )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/nqGx
*/
////////////////////////////////////////////////////////////////////////////////
// [AS3.0] 燃える火・きらめく星・流れる水
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=1047
////////////////////////////////////////////////////////////////////////////////
package {
import flash.display.Sprite;
import flash.events.MouseEvent;
import flash.geom.Rectangle;
//import net.hires.debug.Stats;
[SWF(backgroundColor="#000000", width="465", height="465", frameRate="30")]
public class Main extends Sprite {
private var fire:LightFire;
private var playing:Boolean = true;
public function Main() {
Wonderfl.capture_delay(4);
init();
//addChild(new Stats());
}
private function init():void {
graphics.beginFill(0x000000);
graphics.drawRect(0, 0, 465, 465);
graphics.endFill();
fire = new LightFire();
addChild(fire);
fire.x = 232;
fire.y = 252;
fire.init(4, 80);
fire.color = [0xFF0000, 0xFF9900, 0xFFFF00];
fire.start();
stage.addEventListener(MouseEvent.CLICK, click, false, 0, true);
}
private function click(evt:MouseEvent):void {
playing = !playing;
if (playing) {
fire.start();
} else {
fire.stop();
}
}
}
}
import flash.display.Sprite;
import flash.events.Event;
import flash.utils.Timer;
import flash.events.TimerEvent;
import flash.geom.Rectangle;
import flash.geom.ColorTransform;
import flash.display.BlendMode;
class LightFire extends Sprite {
private static var ids:Array = [0, 0, 0, 0, 0, 1, 1, 2, 3];
private var colors:Array;
private var unit:uint = 1;
private var range:uint = 100;
private var radian:Number = Math.PI/180;
public function LightFire() {
mouseChildren = false;
}
public function init(n:uint, r:uint):void {
unit = n;
range = r;
}
public function set color(list:Array):void {
colors = list;
colors.push(0xFFFFFF);
}
public function start():void {
addEventListener(Event.ENTER_FRAME, createLight, false, 0, true);
}
public function stop():void {
removeEventListener(Event.ENTER_FRAME, createLight);
}
private function createLight(evt:Event):void {
for (var n:uint = 0; n < unit; n++) {
create();
}
}
private function create():void {
var fire:ParticleFire = new ParticleFire();
addChild(fire);
var radius:Number = Math.random()*range;
var angle:Number = Math.random()*360;
var px:Number = radius*Math.cos(angle*radian);
var py:Number = radius*Math.sin(angle*radian);
fire.x = px;
fire.y = py;
var colorTrans:ColorTransform = new ColorTransform(0, 0, 0, 1, 0, 0, 0, 0);
var id:uint = ids[Math.floor(Math.random()*(ids.length+1))];
colorTrans.color = colors[id];
fire.transform.colorTransform = colorTrans;
fire.blendMode = BlendMode.ADD;
}
}
import flash.display.Sprite;
import flash.display.Shape;
import flash.geom.Matrix;
import flash.display.GradientType;
import flash.display.SpreadMethod;
import flash.display.InterpolationMethod;
import org.libspark.betweenas3.BetweenAS3;
import org.libspark.betweenas3.tweens.ITween;
import org.libspark.betweenas3.easing.Linear;
import org.libspark.betweenas3.events.TweenEvent;
class ParticleFire extends Sprite {
private var base:Shape;
private static var _width:uint = 40;
private static var _height:uint = 80;
private static var yOffset:int = -10;
private static var targetPos:int = -60;
private var count:uint = 0;
private static var bColor:uint = 0xFFFFFF;
public function ParticleFire() {
draw();
init();
}
private function init():void {
var itween:ITween = BetweenAS3.to(base, {y: targetPos, alpha: 0}, 0.6, Linear.easeNone);
itween.addEventListener(TweenEvent.UPDATE, blink, false, 0, true);
itween.addEventListener(TweenEvent.COMPLETE, complete, false, 0, true);
itween.play();
}
private function blink(evt:TweenEvent):void {
if (count%4 < 2) {
visible = true;
} else {
visible = false;
}
count ++;
}
private function complete(evt:TweenEvent):void {
evt.target.removeEventListener(TweenEvent.UPDATE, blink);
evt.target.removeEventListener(TweenEvent.COMPLETE, complete);
parent.removeChild(this);
}
private function draw():void {
base = new Shape();
addChild(base);
var colors:Array = [bColor, bColor];
var alphas:Array = [1, 0];
var ratios:Array = [0, 255];
var matrix:Matrix = new Matrix();
matrix.createGradientBox(_width, _height, 0, -_width*0.5, -_height*0.5+yOffset);
base.graphics.beginGradientFill(GradientType.RADIAL, colors, alphas, ratios, matrix, SpreadMethod.PAD, InterpolationMethod.RGB, 0);
base.graphics.drawEllipse(-_width*0.5, -_height*0.5+yOffset, _width, _height);
base.graphics.endFill();
}
}