Lightning
Mario Gonzalez
mario@wddg.com
http://onedayitwillmake.com
/**
* Copyright onedayitwillmake ( http://wonderfl.net/user/onedayitwillmake )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/kbOx
*/
/*
Mario Gonzalez
mario@wddg.com
http://onedayitwillmake.com
*/
package {
import flash.display.Sprite;
import flash.display.*;
import flash.geom.*;
import flash.events.*
import flash.utils.Timer;
import flash.filters.BitmapFilter
import flash.filters.GlowFilter;
public class FlashTest extends Sprite
{
[SWF(frameRate="60")]
public function FlashTest()
{
createBG();
var cx:Number = 10//Math.random() * 465;;
var cy:Number = Math.random() * -10;
var electricityMouse:ElectricityMouse = new ElectricityMouse(cx, cy)
electricityMouse.blendMode = "add";
addChild(electricityMouse);
electricityMouse = new ElectricityMouse(cx,cy)
electricityMouse.blendMode = "add";
addChild(electricityMouse);
cx = 450// Math.random() * 465;
electricityMouse = new ElectricityMouse(cx, cy)
electricityMouse.blendMode = "add";
addChild(electricityMouse);
electricityMouse = new ElectricityMouse(cx,cy)
electricityMouse.blendMode = "add";
addChild(electricityMouse);
}
private function createBG():void
{
// write as3 code here..
var matr:Matrix = new Matrix();
matr.createGradientBox(465, 465, Math.PI / 2, 0, 0);
var bg:Sprite = new Sprite();
bg.graphics.beginGradientFill
(
GradientType.LINEAR,
[0x001E33, 0x364D89, 0x001E33], //colors
[1, 1, 1], //alphas
[0, 255, 255], //ratios
matr, //matrix
SpreadMethod.PAD
);
bg.graphics.drawRect( 0, 0, 465, 465);
addChild(bg);
}
}
}
class ElectricityMouse extends flash.display.Sprite
{
public var _cat :flash.display.MovieClip;
private var _points :Array = new Array();
private var _noisePoints :Array = new Array();
private var _numPoints :int = 30;
private var _timer :flash.utils.Timer;
private var _glowSprite :flash.display.Sprite;
function ElectricityMouse(cx:Number, cy:Number):void
{
_cat = new flash.display.MovieClip();
_cat.x = _cat.homeX = cx//
_cat.y = _cat.homeY = cy//Math.random() * -20;
_glowSprite = new flash.display.Sprite();
for (var i:int = 0; i <= _numPoints; i++)
_points[i] = new flash.geom.Point();
var filter:flash.filters.BitmapFilter = getBitmapFilter();
filters = [filter];
_glowSprite.blendMode = "overlay";
// _glowSprite.alpha = 0;
_timer = new flash.utils.Timer(50, 0);
_timer.addEventListener(flash.events.TimerEvent.TIMER, getPoints);
_timer.start();
}
private function moveCat():void
{
//Check if this is the first ten firings
//That way we can force it to go to the bottom center
//For a prettier screenshot
_cat.x = _timer.currentCount <= 20 ? 232 : _cat.homeX + Math.random() * 250 - 125;
_cat.y = _timer.currentCount <= 20 ? 465 : _cat.homeY + Math.random() * 90 - 45;
}
private function getPoints(e:flash.events.TimerEvent):void
{
moveCat()
var p:flash.geom.Point;
var difX:int = stage.mouseX - _cat.x;
var difY:int = stage.mouseY - _cat.y;
var choasX:int = 30;
var choasY:int = 30;
var maxStroke:int = 5;
var segmentColor:uint;
var colors:Array = new Array(0x00E4F0, 0x2899FF, 0x94e0f4, 0x66d7f5);
graphics.clear();
_glowSprite.graphics.clear();
//Get the path
for (var i:int = 0; i <= _numPoints; i++)
{
p = _points[i];
//trace((i, cat.x, stage.mouseX, _numPoints) - cat.x)
p.x = easeNone(i, _cat.x, difX, _numPoints)
p.y = easeNone(i, _cat.y, difY, _numPoints)
}
//Add noise
for (i = 0; i <= _numPoints; i++)
{
p = _points[i];
p.x += Math.random() * choasX;
p.y += Math.random() * choasY;
}
//Draw the path
graphics.moveTo(_cat.x, _cat.y);
_glowSprite.graphics.moveTo(_cat.x, _cat.y);
for (i = 0; i <= _numPoints; i++)
{
segmentColor = colors[Math.floor(Math.random() * colors.length)]
graphics.lineStyle(Math.random() * maxStroke, segmentColor, Math.random() * 0.25 + 0.75);
_glowSprite.graphics.lineStyle(0.25, 0xffffff, 0.5);
graphics.lineTo(_points[i].x, _points[i].y);
_glowSprite.graphics.lineTo(_points[i].x, _points[i].y);
}
}
private function getBitmapFilter():flash.filters.BitmapFilter {
var color:Number = 0x66FFFF;
var alpha:Number = 1;
var blurX:Number = 16;
var blurY:Number = 16;
var strength:Number = 3;
var inner:Boolean = false;
var knockout:Boolean = false;
var quality:Number = 3;
return new flash.filters.GlowFilter(color,
alpha,
blurX,
blurY,
strength,
quality,
inner,
knockout);
}
public function easeNone (t:Number, b:Number, c:Number, d:Number):Number {return c*t/d + b;}
}