forked from: 雨が降って波紋が広がる
クリック位置に雨が降って波紋が広がります
* forkと言うより大幅な修正
// forked from Kay's 雨が降って波紋が広がる
// forked from Kay's 水滴のようなフィルタ効果
/*
* クリック位置に雨が降って波紋が広がります
* forkと言うより大幅な修正
*/
package {
import flash.display.Sprite;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.BitmapDataChannel;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Matrix;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.filters.DisplacementMapFilter;
import flash.filters.DisplacementMapFilterMode;
import flash.filters.BlurFilter;
[SWF(width=350, height=350, backgroundColor=0x000000, frameRate=24)]
public class Take03 extends Sprite {
private const SW:Number = stage.stageWidth;
private const SH:Number = stage.stageHeight;
private var map:BitmapData;
private var backGround:Sprite;
private var mapStage:Sprite = new Sprite();
private var realStage:Sprite = new Sprite();
private var xyFilter:DisplacementMapFilter = new DisplacementMapFilter();
function Take03():void {
// 背景を描画
var patternA:BitmapData = new BitmapData(20,20,false,0x005544);
patternA.fillRect(new Rectangle(4,4,12,12),0x003322);
backGround = new Sprite();
backGround.graphics.beginBitmapFill(patternA);
backGround.graphics.drawRect(0, 0, SW, SH/2);
backGround.graphics.endFill();
var patternB:BitmapData = new BitmapData(20,8,false,0x666699);
patternB.fillRect(new Rectangle(0,0,20,4),0x111144);
backGround.graphics.beginBitmapFill(patternB);
backGround.graphics.drawRect(0, SH/2, SW, SH/2);
backGround.graphics.endFill();
addChild(backGround);
// 実体（ノックダウンしてフィルタをかける）
addChild(realStage);
// マップを作る
map = new BitmapData(SW,SH,false,0x7f7f7f);
xyFilter.mapBitmap=map;
xyFilter.mapPoint=new Point(0,0);
//xyFilter.componentX=BitmapDataChannel.RED;
xyFilter.componentY=BitmapDataChannel.RED;
//xyFilter.scaleX = 30;
xyFilter.scaleY = 30;
xyFilter.mode=DisplacementMapFilterMode.CLAMP;
stage.addEventListener(MouseEvent.CLICK, dropSet);
stage.addEventListener(Event.ENTER_FRAME, render);
}
private function render(e:Event):void {
map.fillRect(map.rect,0x7f7f7f);
map.draw(mapStage);
backGround.filters=[xyFilter];
}
// 水滴を発生させる
// 実体とマップ用と二つずつ描く
private function dropSet(e:MouseEvent):void {
var drop:Drop = new Drop(mouseX,"real");
var xyDrop:Drop = new Drop(mouseX,"map");
drop.z = mouseY-SH/2;
xyDrop.z = mouseY-SH/2;
// 時差を防ぐために描いてからaddChild
mapStage.addChild(xyDrop);
realStage.addChild(drop);
}
}
}
// 水滴のスプライト
import flash.display.Sprite;
import flash.display.Shape;
import flash.events.Event;
import flash.filters.BlurFilter;
import flash.filters.BevelFilter;
class Drop extends Sprite {
private var isDrop:Boolean = true;
private var isRipple:Boolean = false;
private var speed:Number = 20;
private var botomY:Number = 250;
private var nX:Number;
private var _drop:Shape;
private var _ripple:Shape;
public function Drop(x:Number, type:String):void {
var fBevelD:BevelFilter = new BevelFilter();
fBevelD.knockout = true;
fBevelD.blurX = fBevelD.blurY = 4;
fBevelD.highlightColor = 0xffffff;
fBevelD.shadowColor = 0x003366;
fBevelD.angle = 90;
var fBevelR:BevelFilter = new BevelFilter();
fBevelR.knockout = true;
fBevelR.blurX = fBevelD.blurY = 2;
fBevelR.highlightColor = 0xffffff;
fBevelR.shadowColor = 0x003366;
fBevelR.angle = 45;
fBevelR.strength = 8;
fBevelR.distance = 10;
nX = x;
_drop = new Shape();
_drop.graphics.beginFill(0xffffff);
_drop.graphics.drawCircle(0, 0, 10);
_drop.graphics.endFill();
if (type == "real") {
_drop.filters = [fBevelD];
}
_drop.x = x;
_drop.y = -200;
addChild(_drop);
_ripple = new Shape();
_ripple.graphics.lineStyle( 8, 0xffffff);
_ripple.graphics.drawCircle(0, 0, 56);
_ripple.graphics.lineStyle( 6, 0xffffff);
_ripple.graphics.drawCircle(0, 0, 56*0.6);
_ripple.graphics.lineStyle( 4, 0xffffff);
_ripple.graphics.drawCircle(0, 0, 56*0.3);
if (type == "real") {
_ripple.filters = [fBevelR];
} else {
_ripple.filters = [new BlurFilter(2,2)];
}
_ripple.x = nX;
_ripple.y = botomY;
addEventListener(Event.ENTER_FRAME, fall);
}
public function fall(e:Event):void {
if (isDrop == true) {
_drop.y += speed;
if (isDrop == true && _drop.y > botomY || (speed < 0 && _drop.y < botomY)) {
speed *= -0.9;
if (isRipple == false) {
addChild(_ripple);
_ripple.rotationX = -70;
}
if (Math.abs(speed) < 1) {
speed = 0;
isDrop = false;
}
_drop.alpha -= 0.15;
}
}
if (numChildren == 2) {
_ripple.scaleX += 0.07;
_ripple.scaleY += 0.07;
_ripple.alpha -= 0.08;
if (_ripple.alpha < 0) {
removeEventListener(Event.ENTER_FRAME, fall);
parent.removeChild(this);
}
}
}
}