forked from: Liquid rect
/**
* Copyright say0 ( http://wonderfl.net/user/say0 )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/y5Ed
*/
// forked from zonnbe's Liquid rect
package {
import flash.display.Sprite;
import flash.display.MovieClip;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.LineScaleMode;
import flash.display.CapsStyle;
import flash.display.JointStyle;
import flash.display.Loader;
import flash.events.Event;
import flash.filters.BitmapFilterQuality;
import flash.filters.DisplacementMapFilter;
import flash.filters.BlurFilter;
import flash.filters.BevelFilter;
import flash.geom.ColorTransform;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.geom.Matrix;
import flash.net.URLLoader;
import flash.net.URLRequest;
import flash.system.LoaderContext;
[SWF(width=465,height=465,backgroundColor=0x666666,frameRate=60)]
public class liquidRect extends Sprite {
private var loader:Loader;
private var dots:Array = new Array();
private var mid:Array = new Array();
private var dotPerPixel:Number = 1;
private var leavesBitmap:Bitmap;
private var leavesBaseMap:BitmapData;
private var leaves:MovieClip = new MovieClip();
private var logo:MovieClip = new MovieClip();
private var m:Matrix;
private var tempMap:BitmapData;
private var displaceMap:BitmapData;
private var mergeBitmap:Bitmap;
private var mergeMap:BitmapData;
private var displaceFilter:DisplacementMapFilter;
private var blurFilter:BlurFilter = new BlurFilter (1.5, 1.5, 1.5);
private var zero:Point;
// lqd attributes
private var w:Number = 300;
private var h:Number = 50;
private var bmpPaddingX:Number = 0;
private var bmpPaddingY:Number = 0;
public function liquidRect() {
Wonderfl.capture_delay( 30 );
loader = new Loader();
var requestPic:URLRequest = new URLRequest();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, init);
requestPic.url = "http://assets.wonderfl.net/images/related_images/4/42/42c0/42c01a397b5136d63ffc61fc1b2caf05db124635";
loader.load(requestPic, new LoaderContext(true));
}
public function init(e:Event):void
{
leavesBitmap = Bitmap(loader.content);
leavesBaseMap = leavesBitmap.bitmapData;
bmpPaddingX = stage.stageWidth/2 - leavesBitmap.width/2;
bmpPaddingY = stage.stageHeight/2 - leavesBitmap.height/2;
leavesBitmap.x = bmpPaddingX;
leavesBitmap.y = bmpPaddingY;
moveTo(stage.stageWidth/2 - w/2, stage.stageHeight/2 - h/2);
lineTo(stage.stageWidth/2 + w/2, stage.stageHeight/2 - h/2);
lineTo(stage.stageWidth/2 + w/2, stage.stageHeight/2 + h/2);
lineTo(stage.stageWidth/2 - w/2, stage.stageHeight/2 + h/2);
lineTo(stage.stageWidth/2 - w/2, stage.stageHeight/2 - h/2);
logo.graphics.clear();
logo.graphics.lineStyle(0.1, 0x00808080,1,false,LineScaleMode.HORIZONTAL,CapsStyle.ROUND,JointStyle.ROUND,4);
logo.graphics.beginFill(0x00808080);
logo.graphics.drawRect(bmpPaddingX, bmpPaddingY, leavesBaseMap.width, leavesBaseMap.height);
logo.graphics.endFill();
m = new Matrix (1, 0, 0, 1, -bmpPaddingX, -bmpPaddingY);
tempMap = new BitmapData (leavesBaseMap.width, leavesBaseMap.height, true, 0x00808080);
displaceMap = new BitmapData (leavesBaseMap.width, leavesBaseMap.height, false, 0x00808080);
mergeMap = new BitmapData (tempMap.width, tempMap.height, true, 0x00808080);
leaves.addChild(leavesBitmap);
mergeBitmap = new Bitmap(mergeMap);
mergeBitmap.x = bmpPaddingX;
mergeBitmap.y = bmpPaddingY;
addChild(leaves);
addChild(mergeBitmap);
addEventListener(Event.ENTER_FRAME, loop);
}
public function moveTo(posX:Number,posY:Number):void {
dots.push(new Dot(posX,posY));
dots[dots.length-1].tx = dots[dots.length-1].x;
dots[dots.length-1].ty = dots[dots.length-1].y;
mid.push(new Dot(0,0));
}
public function lineTo(posX:Number, posY:Number):void {
var lx:Number = dots[dots.length-1].x;
var ly:Number = dots[dots.length-1].y;
var dx:Number = posX - lx;
var dy:Number = posY - ly;
var dist:Number = Math.sqrt(dx*dx+dy*dy);
var ix:Number = dx/(dist/dotPerPixel);
var iy:Number = dy/(dist/dotPerPixel);
for(var i:int = 0; i < (dist/dotPerPixel); i++) {
dots.push(new Dot(lx + i*ix,ly + i*iy));
dots[dots.length-1].tx = dots[dots.length-1].x;
dots[dots.length-1].ty = dots[dots.length-1].y;
mid.push(new Dot(0,0));
}
}
public function doFilter():void {
zero = new Point(0, 0);
displaceFilter = new DisplacementMapFilter (displaceMap, zero, 1, 2, 300, 300, "wrap");
var bevel:BevelFilter = new BevelFilter (-4, 10, 0xffffff, 1, 0x000000, 1, 10, 10, 1, BitmapFilterQuality.HIGH, "inner");
logo.filters = [bevel];
tempMap.fillRect (tempMap.rect, 0x00808080);
tempMap.draw (logo,m,new ColorTransform (1, 0, 0, 1, 0, 0, 0, 0),"normal",null,true);
bevel.angle += 10;
logo.filters = [bevel];
tempMap.draw (logo,m,new ColorTransform (0, 1, 0, 1, 0, 0, 0, 0),"add",null,true);
tempMap.applyFilter (tempMap, tempMap.rect, zero, blurFilter);
displaceMap.draw (tempMap);
}
private function doCalculate():void {
var dot:Dot;
var rains:Dot;
var dx:Number,dy:Number,dist:Number,drx:Number,dry:Number;
var angle:Number,tx:Number,ty:Number;
var i:int,j:int;
for (i=1; i < dots.length; i++) {
dot = dots[i];
dx = mouseX-dot.x;
dy = mouseY-dot.y;
dist = Math.sqrt(dx*dx+dy*dy);
if (dist<100) {
angle = Math.atan2(dy, dx);
tx = mouseX-Math.cos(angle)*100;
ty = mouseY-Math.sin(angle)*100;
dot.vx += (tx-dot.x)*.4;
dot.vy += (ty-dot.y)*.4;
}/**/
dot.vx += (dot.tx-dot.x)*.9;
dot.vy += (dot.ty-dot.y)*.9;
dot.vx *= .8;
dot.vy *= .8;
dot.x += dot.vx;
dot.y += dot.vy;
}
for (i = 0; i < dots.length; i++) {
if(i == dots.length-1) {
mid[i].x = (dots[i].x+dots[0].x)/2;
mid[i].y = (dots[i].y+dots[0].y)/2;
} else {
mid[i].x = (dots[i].x+dots[i+1].x)/2;
mid[i].y = (dots[i].y+dots[i+1].y)/2;
}
}
}
private function doPaint():void {
var i:int;
logo.graphics.clear();
logo.graphics.lineStyle(1, 0x00808080,1,false,LineScaleMode.HORIZONTAL,CapsStyle.ROUND,JointStyle.ROUND,4);
logo.graphics.beginFill(0x00808080, 100);
logo.graphics.moveTo(mid[0].x, mid[0].y);
logo.graphics.lineTo(dots[1].x, dots[1].y);
for (i = 2; i < dots.length; i++) {
logo.graphics.curveTo(dots[i].x, dots[i].y, mid[i].x, mid[i].y);
}
logo.graphics.curveTo(dots[0].x, dots[0].y, mid[0].x, mid[0].y);
logo.graphics.endFill();
}
private function loop (e:Event):void
{
doCalculate();
doPaint();
doFilter();
var rect:Rectangle = new Rectangle (0, 0, leavesBaseMap.width, leavesBaseMap.height);
mergeMap.copyPixels (leavesBaseMap, rect, zero);
mergeMap.applyFilter (mergeMap, rect, zero, blurFilter);
mergeMap.applyFilter (mergeMap, rect, zero, displaceFilter);
mergeMap.copyChannel (tempMap, tempMap.rect, zero, 8, 8);
}
}
}
class Dot {
public var x:Number = 0;
public var y:Number = 0;
public var tx:Number = 0;
public var ty:Number = 0;
public var vx:Number = 0;
public var vy:Number = 0;
public function Dot(px:Number,py:Number) {
x = px;
y = py;
tx = x;
ty = y;
}
}