forked from: EscapeDot
マウスを避けるドット(ロゴ)
/**
* Copyright Etienne.Verhote ( http://wonderfl.net/user/Etienne.Verhote )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/gzaZ
*/
// forked from ProjectNya's EscapeDot
////////////////////////////////////////////////////////////////////////////////
// マウスを避けるドット(ロゴ)
////////////////////////////////////////////////////////////////////////////////
package {
import flash.display.Sprite;
import flash.display.MovieClip;
import flash.display.Loader;
import flash.display.LoaderInfo;
import flash.net.URLRequest;
import flash.system.Security;
import flash.events.Event;
import flash.geom.Rectangle;
[SWF(backgroundColor="#000000", width="465", height="465", frameRate="30")]
public class Main extends Sprite {
private var loader:Loader;
private static var filePath:String = "http://www.project-nya.jp/images/flash/logo.swf";
private var content:MovieClip;
private static var sw:uint = 465;
private static var sh:uint = 465;
private static var tw:uint = 420;
private static var th:uint = 200;
private var escapeDot:EscapeDot;
public function Main() {
Wonderfl.capture_delay(4);
init();
}
private function init():void {
graphics.beginFill(0x000000);
graphics.drawRect(0, 0, 465, 465);
graphics.endFill();
Security.allowDomain("www.project-nya.jp");
// 読み込む logo.swf に以下のスクリプトを記述
// Security.allowDomain("wonderfl.net");
// Security.allowDomain("swf.wonderfl.net");
loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.INIT, initialize, false, 0, true);
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, complete, false, 0, true);
try {
loader.load(new URLRequest(filePath));
} catch (err:Error) {
trace(err.message);
}
var rect:Rectangle = new Rectangle(0, 0, sw, sh);
escapeDot = new EscapeDot(rect);
addChild(escapeDot);
}
private function initialize(evt:Event):void {
content = MovieClip(loader.content);
content.x = uint((sw - tw)/2);
content.y = uint((sh - th)/2);
//addChild(content);
escapeDot.setTarget(content);
escapeDot.start();
}
private function complete(evt:Event):void {
loader.contentLoaderInfo.removeEventListener(Event.INIT, initialize);
loader.contentLoaderInfo.removeEventListener(Event.COMPLETE, complete);
}
}
}
import flash.display.Sprite;
import flash.display.MovieClip;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.events.Event;
class EscapeDot extends Sprite {
private var rect:Rectangle;
private static var tw:uint = 420;
private static var th:uint = 200;
private static var accuracy:uint = 2;
private var detection:DetectDot;
private var target:MovieClip;
private var area:Rectangle;
private static var threshold:uint = 0x80FFFFFF;
private var map:Array;
private var dots:Array;
private var canvas:BitmapData;
private static var radius:uint = 150;
private static var acceleration:Number = 0.1;
private static var deceleration:Number = 0.2;
public function EscapeDot(r:Rectangle) {
rect = r;
init();
}
private function init():void {
detection = new DetectDot(accuracy);
canvas = new BitmapData(rect.width, rect.height, true, 0x00000000);
var bitmap:Bitmap = new Bitmap(canvas);
bitmap.x = rect.x;
bitmap.y = rect.y;
addChild(bitmap);
}
public function setTarget(t:MovieClip):void {
target = t;
area = new Rectangle(0, 0, tw, th);
detection.search(target, area, threshold);
map = detection.pixels();
createDots();
}
private function createDots():void {
dots = new Array();
for (var n:uint = 0; n < map.length; n++) {
var dw:uint = uint(tw + target.x*2);
var dh:uint = uint(th + target.y*2);
var tx:uint = map[n].x + target.x + accuracy/2;
var ty:uint = map[n].y + target.y + accuracy/2;
var dot:Dot = new Dot(tx, ty);
dot.id = n;
dot.x = Math.floor(Math.random()*dw);
dot.y = Math.floor(Math.random()*dh);
dots.push(dot);
}
}
public function start():void {
addEventListener(Event.ENTER_FRAME, draw, false, 0, true);
}
public function stop():void {
removeEventListener(Event.ENTER_FRAME, draw);
}
private function draw(evt:Event):void {
canvas.lock();
canvas.fillRect(canvas.rect, 0x00000000);
for (var n:uint = 0; n < dots.length; n++) {
var dot:Dot = dots[n];
var angle:Number = Math.atan2(dot.y - mouseY, dot.x - mouseX);
var distance:Number = Math.sqrt(Math.pow(mouseX - dot.x, 2) + Math.pow(mouseY - dot.y, 2));
var circle:Number = radius/distance;
if (distance < 50) {
dot.x += circle*Math.cos(angle) + (dot.tx - dot.x)*acceleration;
dot.y += circle*Math.sin(angle) + (dot.ty - dot.y)*acceleration;
} else {
dot.x += (dot.tx - dot.x)*deceleration;
dot.y += (dot.ty - dot.y)*deceleration;
if (Math.abs(dot.tx - dot.x) < 0.5 && Math.abs(dot.ty - dot.y) < 0.5) {
dot.x = dot.tx;
dot.y = dot.ty;
}
}
canvas.setPixel32(dot.x, dot.y, 0xFFFFFFFF);
}
canvas.unlock();
}
}
import flash.display.Sprite;
import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.geom.Matrix;
import flash.display.MovieClip;
class DetectDot extends Sprite {
private var target:MovieClip;
private var rect:Rectangle;
private var map:BitmapData;
private var mapList:Array;
private var accuracy:uint;
private var threshold:uint = 0x80FFFFFF;
public function DetectDot(a:uint = 1) {
accuracy = a;
}
public function search(t:MovieClip, r:Rectangle, th:uint = 0x80FFFFFF):void {
target = t;
rect = r;
threshold = th;
var w:uint = rect.width/accuracy;
var h:uint = rect.height/accuracy;
detect(w, h);
}
private function detect(w:uint, h:uint):void {
map = new BitmapData(w, h, true, 0x00000000);
var matrix:Matrix = new Matrix();
matrix.scale(1/accuracy, 1/accuracy);
map.lock();
map.draw(target, matrix);
map.unlock();
mapList = new Array();
for (var x:uint = 0; x < w; x++) {
for (var y:uint = 0; y < h; y++) {
var color:uint = map.getPixel32(x, y);
if (color >= threshold) {
var px:int = x*accuracy + rect.x;
var py:int = y*accuracy + rect.y;
var point:Point = new Point(px, py);
mapList.push(point);
}
}
}
}
public function pixels():Array {
return mapList;
}
}
class Dot {
public var id:uint;
public var x:Number = 0;
public var y:Number = 0;
public var tx:Number = 0;
public var ty:Number = 0;
public function Dot(px:Number, py:Number) {
tx = px;
ty = py;
}
}