forked from: Ginny Effect Modoki
/**
* Copyright yanjun98 ( http://wonderfl.net/user/yanjun98 )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/wKbt
*/
// forked from clockmaker's Ginny Effect Modoki
/**
* Ginny Effect Modoki
*
* 作ってしまいました。。。
*
* Inspired by
* http://fladdict.net/blog/2009/09/flash-ginny-effect.html
* http://fladdict.net/exp/ginnyeffect/
* http://twitter.com/fladdict/status/3842965317
*
* Photo by
* http://www.flickr.com/photos/88403964@N00/2662752839/ (by Yasu)
*
* 9/9(Wed) 04:00 first post http://twitter.com/clockmaker/status/3845570478
* ※ Mac OS X の隠しエフェクトの「Suck」っぽい http://bit.ly/11vMDh
*/
package {
import flash.display.*;
import flash.events.*;
import flash.geom.*;
import flash.net.*;
import flash.system.*;
import org.libspark.betweenas3.BetweenAS3;
import org.libspark.betweenas3.easing.*;
import org.libspark.betweenas3.tweens.ITween;
import com.bit101.components.*;
[SWF(frameRate = 60)]
public class Main extends Sprite {
private const IMAGE_URL:String = "http://farm4.static.flickr.com/3190/2662752839_249c6642b1.jpg";
private const IMG_W:int = 500;
private const IMG_H:int = 375;
private const SEGMENT:int = 20;
private var loader:Loader;
private var vertexs:Array;
private var sprite:Sprite;
private var isHide:Boolean = false;
private var isShift:Boolean = false;
public function Main():void {
// init
stage.quality = StageQuality.MEDIUM;
graphics.beginFill(0x0);
graphics.drawRect(0, 0, 465, 465);
new Label(this, 360, 440, "PLEASE CLICK STAGE")
// load
var context:LoaderContext = new LoaderContext(true);
loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, compHandler);
loader.load(new URLRequest(IMAGE_URL), context);
}
private function compHandler(e:Event):void {
sprite = new Sprite();
addChild(sprite);
vertexs = []
for (var xx:int = 0; xx < SEGMENT; xx++) {
vertexs[xx] = [];
for (var yy:int = 0; yy < SEGMENT; yy++) {
vertexs[xx][yy] = new Point(xx * IMG_W / SEGMENT, yy * IMG_H/SEGMENT);
}
}
draw();
addEventListener(Event.ENTER_FRAME, draw);
stage.addEventListener(MouseEvent.CLICK, clickHandler);
stage.addEventListener(KeyboardEvent.KEY_UP, keyUpHandler);
stage.addEventListener(KeyboardEvent.KEY_DOWN, keyDownHandler);
}
private function clickHandler(e:MouseEvent):void {
var tweens:Array = [];
var xx:int, yy:int, delay:Number;
var px:Number = SEGMENT * (mouseX / IMG_W);
var py:Number = SEGMENT * (mouseY / IMG_H);
if (!isHide) {
for (xx = 0; xx < SEGMENT; xx++) {
for (yy = 0; yy < SEGMENT; yy++) {
vertexs[xx][yy] = new Point(xx * IMG_W / SEGMENT, yy * IMG_H/SEGMENT);
delay = Math.sqrt((xx - px) * (xx - px) + (yy - py) * (yy - py)) / 40;
tweens.push(
BetweenAS3.delay(
BetweenAS3.tween(vertexs[xx][yy], {
x : px * IMG_W / SEGMENT,
y : py * IMG_H / SEGMENT
},null, delay, Cubic.easeIn),
delay / 2
)
)
}
}
}else {
// 重み付けが怪しい・・・
var max:Number = 0;
for (xx = 0; xx < SEGMENT; xx++) {
for (yy = 0; yy < SEGMENT; yy++) {
vertexs[xx][yy] = new Point(px * IMG_W / SEGMENT, py * IMG_H / SEGMENT);
delay = Math.sqrt((xx - px) * (xx - px) + (yy - py) * (yy - py))
max = Math.max(max, delay);
}
}
for (xx = 0; xx < SEGMENT; xx++) {
for (yy = 0; yy < SEGMENT; yy++) {
delay = (max - Math.sqrt((xx - px) * (xx - px) + (yy - py) * (yy - py))) / 40;
tweens.push(
BetweenAS3.delay(
BetweenAS3.tween(vertexs[xx][yy], {
x : xx * IMG_W / SEGMENT,
y : yy * IMG_H / SEGMENT
},null, delay + 0.05, Quad.easeOut),
delay / 2
)
)
}
}
}
var itw:ITween = BetweenAS3.parallelTweens(tweens);
if (isShift) itw = BetweenAS3.scale(itw, 5);
itw.play();
isHide = !isHide;
}
/**
* drawTriangles でテクスチャを貼り付けるメソッド
* 参考： http://wonderfl.net/code/e7e1e28a9f20d73f11f0bb02d3e4b5f512c7cc0f
*/
private function draw(e:Event = null):void {
var vertices:Vector.<Number> = new Vector.<Number>();
var indices:Vector.<int> = new Vector.<int>();
var uvtData:Vector.<Number> = new Vector.<Number>();
for (var xx:int = 0; xx < SEGMENT; xx++) {
for (var yy:int = 0; yy < SEGMENT; yy++) {
vertices[vertices.length] = vertexs[xx][yy].x
vertices[vertices.length] = vertexs[xx][yy].y
uvtData[uvtData.length] = xx / SEGMENT;
uvtData[uvtData.length] = yy / SEGMENT;
}
}
for (var i:int = 0; i < SEGMENT - 1; i++) {
for (var j:int = 0; j < SEGMENT - 1; j++) {
indices.push(i * SEGMENT + j, i * SEGMENT + j + 1, (i + 1) * SEGMENT + j);
indices.push(i * SEGMENT + j + 1, (i + 1) * SEGMENT + 1 + j, (i + 1) * SEGMENT + j);
}
}
var g:Graphics = sprite.graphics;
g.clear();
g.beginBitmapFill(Bitmap(loader.content).bitmapData);
g.drawTriangles(vertices, indices, uvtData);
g.endFill();
}
/**
* Shiftキーを押してるとスローモーションになる
* macの挙動と同じように
*/
private function keyUpHandler(e:KeyboardEvent):void {
if(e.keyCode == 16) isShift = false;
}
private function keyDownHandler(e:KeyboardEvent):void {
if(e.keyCode == 16) isShift = true;
}
}
}