WaterDrops smooth expanding。
上ほど水滴が多い＋水滴なめらか成長
（シェイプが小さい時にすごい白くなるのはなんでかな～）
/**
* Copyright ile ( http://wonderfl.net/user/ile )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/tj8b
*/
// forked from ile's WaterDropsSample
// forked from ile's WaterDropMaker
/*
shape で WaterDrop を作ってみました。
waterdrop.size=dropRadius
*/
package {
import flash.display.MovieClip;
import flash.events.Event;
public class Suiteki extends MovieClip {
public function Suiteki() {
var dropN:uint = 50;
var waitN:uint = 300;
var dropMax:uint = 30;
var dropMin:uint = 5;
var drops:Array=new Array();
var drop:WaterDropMaker;
dropDrop();
addEventListener(Event.ENTER_FRAME, enterFrameHandler);
function enterFrameHandler():void {
if (!waitN--) {
waitN = 300;
for (var i:uint = 0; i < dropN; i++) {
removeChild(drops[i]);
}
graphics.clear();
dropDrop();
}
}
function dropDrop():void {
//backgroundColor
var bgColor:uint = 0x345678;
graphics.beginFill(bgColor);
graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
graphics.endFill();
graphics.beginFill (Math.random() * 0x1000000, 1.0);
graphics.drawCircle ( 270, 100 , 150);
graphics.endFill();
//WaterDropsMake
for(var i:uint=0;i<dropN;i++){
do{
drop = new WaterDropMaker(sq(Math.random())*dropMax + dropMin);
addChild(drop);
drops[i] = drop;
var reFlg:Boolean=false;
drops[i].x = Math.random() * stage.stageWidth;
//Vanishing by Height
drops[i].y = Math.random() * stage.stageHeight * (int(i*8/dropN)+2)/10;
if(i){
for(var j:uint=0;j<i;j++) {
if (dropHitTest(drops[i], drops[j])) {
removeChild(drops[i]);
reFlg = true;
break;
}
}
}
}while (reFlg);
drops[i].rotation = -45;
}
}
//Overlap?true:false
function dropHitTest(d1:WaterDropMaker, d2:WaterDropMaker):Boolean {
if (d1.size + d2.size > pythagora(d1.x - d2.x,d1.y - d2.y)) {
return true;
}else {
return false;
}
}
//r^2=n^2+m^2
function pythagora(n:int,m:int):uint{
return Math.sqrt(m*m+n*n);
}
function sq(n:Number):Number{
return n*n;
}
}
}
}
import flash.display.Sprite;
import flash.display.MovieClip;
import flash.events.Event;
import flash.display.Shape;
import flash.display.GradientType;
import flash.display.SpreadMethod;
import flash.display.Graphics;
import flash.events.NetStatusEvent;
import flash.geom.Matrix;
import flash.display.BlendMode;
class WaterDropMaker extends MovieClip {
private var dropSize:uint;
public function WaterDropMaker(n:uint):void {
dropSize = n;
var shadowColor:uint = 0x000000;
var lightColor:uint = 0xFFFFFF;
var initialSize:uint = 1;
var maxWidth:Number;
var heightRatio:Number;
var endFrameile:uint = Math.random() * 300+50;
var nowFrameile:uint=1;
var container:Sprite = addChild(new Sprite) as Sprite;
//container.x = container.y = dropSize;
var shape:Shape = container.addChild(new Shape) as Shape;
var g:Graphics = shape.graphics;
var matrix:Matrix = new Matrix;
dropDraw();
//minimize
maxWidth = container.width;
container.width = initialSize;
heightRatio = container.width * container.height / maxWidth;
container.height = heightRatio;
//animation
addEventListener(Event.ENTER_FRAME, expandle);
function expandle():void {
if (nowFrameile <= endFrameile) {
nowFrameile++;
//smooth quadric (-(((x-F)^2)*M)/(F^2))+M;
container.width = ((-(((nowFrameile-endFrameile)*(nowFrameile-endFrameile))*maxWidth))/(endFrameile*endFrameile))+maxWidth+initialSize;
container.height = container.width * heightRatio / initialSize;
}else{
removeEventListener(Event.ENTER_FRAME, expandle);
}
}
function dropDraw():void {
//long shadow
shape = container.addChild(new Shape) as Shape;
g = shape.graphics;
//createGradientBox(w,h,r,X,Y)
matrix.createGradientBox(dropSize * 2, dropSize * 4, 0, -dropSize, -dropSize*2);
g.beginGradientFill(GradientType.RADIAL, [shadowColor, shadowColor, shadowColor], [0.0,0.03,0], [0,200,255], matrix, SpreadMethod.PAD);
g.moveTo(-dropSize, 0);
g.curveTo ( -dropSize , dropSize * 2, 0 , dropSize * 2 );
g.curveTo ( dropSize , dropSize*2, dropSize , 0 );
g.curveTo ( dropSize*0.88 , dropSize*0.88, 0 , dropSize );
g.curveTo ( -dropSize*0.88 , dropSize*0.88, -dropSize , 0 );
g.endFill();
//around OUTSIDE shadow
shape = container.addChild(new Shape) as Shape;
g = shape.graphics;
matrix.createGradientBox(dropSize * 2.6, dropSize * 2.6+dropSize/5, 0, -dropSize*1.3, -dropSize*1.3);
g.beginGradientFill(GradientType.RADIAL, [shadowColor,shadowColor, shadowColor], [0.01,0.02,0], [0,200,255], matrix, SpreadMethod.PAD);
g.drawCircle(0, dropSize/5, dropSize*1.5);
g.endFill();
//base color
shape = container.addChild(new Shape) as Shape;
g = shape.graphics;
g.beginFill (0x888888, 0.12);
g.drawCircle ( 0, 0 , dropSize);
g.endFill();
shape.blendMode = BlendMode.LIGHTEN;
//around INSIDE shadow
shape = container.addChild(new Shape) as Shape;
g = shape.graphics;
matrix.createGradientBox(dropSize * 3.5, dropSize * 3.7, 0, -dropSize * 1.8, -dropSize * 1.0);
g.beginGradientFill(GradientType.RADIAL, [shadowColor,shadowColor, shadowColor], [0,0.01,0.02], [0,200,255], matrix, SpreadMethod.PAD);
g.drawCircle ( 0, 0 , dropSize);
g.endFill();
//under shadow
shape = container.addChild(new Shape) as Shape;
g = shape.graphics;
matrix.createGradientBox(dropSize * 5, dropSize * 5, 0, -dropSize*2.5, -dropSize*3);
g.beginGradientFill(GradientType.RADIAL, [shadowColor,shadowColor,shadowColor,shadowColor], [0,0, 0.1,0.4], [0,95,222,255], matrix, SpreadMethod.PAD);
g.drawCircle(0, 0, dropSize);
g.endFill();
//base gradation
shape = container.addChild(new Shape) as Shape;
g = shape.graphics;
matrix.createGradientBox(dropSize * 3.5, dropSize * 3.7, 0, -dropSize*1.8, -dropSize*1.0);
g.beginGradientFill(GradientType.RADIAL, [lightColor,lightColor, lightColor,lightColor,lightColor,lightColor], [0.25,0.12, 0.03,0,0,0.12], [0,70, 181,216,245,255], matrix, SpreadMethod.PAD);
g.drawCircle(0, 0, dropSize);
g.endFill();
shape.blendMode = BlendMode.OVERLAY;
//highlight
shape = container.addChild(new Shape) as Shape;
g = shape.graphics;
matrix.createGradientBox(dropSize/2, dropSize/2, 0, -dropSize/4, -dropSize*0.9);
g.beginGradientFill(GradientType.RADIAL, [lightColor,lightColor,lightColor], [0.6,0.08 ,0], [0,85,255], matrix, SpreadMethod.PAD);
g.drawCircle(0, 0, dropSize);
g.endFill();
}
}
public function get size():int {
return dropSize;
}
}