forked from: gomgomArrow
/**
* Copyright tepe ( http://wonderfl.net/user/tepe )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/w4AQ
*/
// forked from rettuce's gomgomArrow
package
{
import flash.display.Sprite;
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Point;
[SWF(width = 465, height = 465, backgroundColor = 0x000000, frameRate = 60)]
/**
* ...
* @author rettuce
*
*/
public class Main extends Sprite
{
private var MAX:Number = 10;
private var _arrow:Sprite;
private var NUM:uint = 50; //長さ
private var _speed:Number = 1;
private var _radius:Number;
private var pointArr:Array = [];
private var pointParamArr:Array = [];
public function Main()
{
if (stage) init();
else addEventListener(Event.ADDED_TO_STAGE, init );
}
private function init(e:Event = null ):void
{
removeEventListener(Event.ADDED_TO_STAGE, init );
setStage();
loaderInfo.addEventListener(Event.UNLOAD, function(e:Event):void {
removeEventListener(Event.ENTER_FRAME, enterframeHandler);
stage.removeEventListener(Event.RESIZE, resizeEvent);
loaderInfo.removeEventListener(Event.UNLOAD, arguments.callee );
});
_radius = stage.stageHeight/2
var arrowMouse = new ArrowMouse(this, 15, 15, 0xFFFF00);
addChild(arrowMouse);
for(var i:int=0; i<=MAX; i++){
var _targetPoint:Sprite = new Sprite();
pointArr[i] = _targetPoint;
pointParamArr[i] = new Object();
pointParamArr[i]["radius"] = _radius*Math.random()+50;
pointParamArr[i]["speed"] = _speed*Math.random()+0.5;
pointParamArr[i]["angle"] = 2*Math.random()-1;
_arrow = new Arrow(this, _targetPoint, 50*Math.random()+20, 15*Math.random()+10, 0xFFFFFF*Math.random());
addChild(_arrow);
}
addEventListener(Event.ENTER_FRAME, enterframeHandler);
}
private function enterframeHandler(e:Event):void
{
for(var i:int=0; i<=MAX; i++){
var rad:Number = pointParamArr[i]["radius"];
var spe:Number = pointParamArr[i]["speed"];
pointParamArr[i]["angle"] += spe;
var ang:Number = pointParamArr[i]["angle"];
pointArr[i].x = Math.cos(ang*Math.PI/180)*rad + stage.stageWidth/2;
pointArr[i].y = Math.sin(ang*Math.PI/180)*rad + stage.stageHeight/2;
}
}
/********* stage set ************/
private function setStage():void {
stage.align = StageAlign.TOP_LEFT;
stage.scaleMode = StageScaleMode.NO_SCALE;
stage.addEventListener(Event.RESIZE, resizeEvent);
resizeHandler();
}
private function resizeEvent(e:Event = null):void {
resizeHandler();
}
public function resizeHandler():void {
}
}
}
import flash.display.Sprite;
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Point;
class Arrow extends Sprite
{
private var _root;
private var _point;
private var _arrow:Sprite;
private var _angle:Number;
private var _speed:Number;
private var NUM:uint; //長さ
private var BOLD:uint; //太さ
private var COLOR:uint; //線色
private var pointArrL:Array = [];
private var pointArrR:Array = [];
public function Arrow(target, targetPoint, long:Number=50 , bold:Number=15, color:Number = 0xFFFF00)
{
_root = target;
_point = targetPoint;
NUM = long;
BOLD = bold;
COLOR = color;
init();
}
public function init():void
{
_arrow = new Sprite();
addEventListener(Event.ENTER_FRAME, mousemoveHandler);
}
private function mousemoveHandler(e:Event):void
{
if(pointArrL.length >= NUM && pointArrR.length >= NUM)
{
var dx:Number = _arrow.x - _point.x;
var dy:Number = _arrow.y - _point.y;
if(Math.sqrt(dx*dx + dy*dy)<=15) return;
pointArrL.shift();
pointArrR.shift();
};
/* 角度 */
var tx:Number = _point.x - _arrow.x;
var ty:Number = _point.y - _arrow.y;
_angle = Math.atan2(ty, tx);
/* 速度 */
var sx:Number = _arrow.x - _point.x;
var sy:Number = _arrow.y - _point.y;
var dist:Number = Math.sqrt(sx*sx + sy*sy);
_speed = 200*dist/Math.sqrt(stage.stageWidth*stage.stageWidth + stage.stageHeight*stage.stageHeight);
_arrow.x += Math.cos(_angle)*_speed;
_arrow.y += Math.sin(_angle)*_speed;
var zureL:Point = new Point(Math.cos(_angle-1.57)*BOLD, Math.sin(_angle-1.57)*BOLD);
var zureR:Point = new Point(Math.cos(_angle+1.57)*BOLD, Math.sin(_angle+1.57)*BOLD);
pointArrL.push(new Point(zureL.x+_point.x, zureL.y+_point.y));
pointArrR.push(new Point(zureR.x+_point.x, zureR.y+_point.y));
graphics.clear();
graphics.lineStyle(1, COLOR, 1);
graphics.moveTo(pointArrL[0].x, pointArrL[0].y);
for(var i:int=0; i<pointArrL.length-1; i+=1){
var px:Number = (pointArrL[i].x + pointArrL[i+1].x)/2;
var py:Number = (pointArrL[i].y + pointArrL[i+1].y)/2;
graphics.curveTo(pointArrL[i].x, pointArrL[i].y, px, py);
}
/* head */
if(pointArrL.length <= 2) return;
graphics.lineTo(pointArrL[pointArrL.length-1].x, pointArrL[pointArrL.length-1].y);
graphics.lineTo(zureL.x*2+_point.x, zureL.y*2+_point.y);
graphics.lineTo(Math.cos(_angle)*BOLD*3+_point.x, Math.sin(_angle)*BOLD*3+_point.y);
graphics.lineTo(zureR.x*2+_point.x, zureR.y*2+_point.y);
graphics.lineTo(pointArrR[pointArrR.length-1].x, pointArrR[pointArrR.length-1].y);
graphics.lineTo(pointArrR[pointArrR.length-2].x, pointArrR[pointArrR.length-2].y);
for(i=pointArrR.length-1; i>1; i-=1){
px = (pointArrR[i-1].x + pointArrR[i].x)/2;
py = (pointArrR[i-1].y + pointArrR[i].y)/2;
graphics.curveTo(pointArrR[i].x, pointArrR[i].y, px, py);
}
graphics.lineTo(pointArrL[0].x, pointArrL[0].y);
graphics.endFill();
}
}
import flash.display.Sprite;
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Point;
class ArrowMouse extends Sprite
{
private var _root;
private var _arrow:Sprite;
private var _angle:Number;
private var _speed:Number;
private var NUM:uint; //長さ
private var BOLD:uint; //太さ
private var COLOR:uint; //線色
private var pointArrL:Array = [];
private var pointArrR:Array = [];
public function ArrowMouse(target, long:Number=50 , bold:Number=15, color:Number = 0xFFFF00)
{
_root = target;
NUM = long;
BOLD = bold;
COLOR = color;
init();
}
public function init():void
{
_arrow = new Sprite();
_root.stage.addEventListener(MouseEvent.MOUSE_MOVE, mousemoveHandler);
}
/* マウスポイントをCurveTo座標として配列で使用 */
private function mousemoveHandler(e:Event):void
{
if(pointArrL.length >= NUM && pointArrR.length >= NUM)
{
var dx:Number = _arrow.x - mouseX;
var dy:Number = _arrow.y - mouseY;
if(Math.sqrt(dx*dx + dy*dy)<=15) return;
pointArrL.shift();
pointArrR.shift();
};
/* 角度 */
var tx:Number = mouseX - _arrow.x;
var ty:Number = mouseY - _arrow.y;
_angle = Math.atan2(ty, tx);
/* 速度 */
var sx:Number = _arrow.x - mouseX;
var sy:Number = _arrow.y - mouseY;
var dist:Number = Math.sqrt(sx*sx + sy*sy);
_speed = 200*dist/Math.sqrt(stage.stageWidth*stage.stageWidth + stage.stageHeight*stage.stageHeight);
_arrow.x += Math.cos(_angle)*_speed;
_arrow.y += Math.sin(_angle)*_speed;
var zureL:Point = new Point(Math.cos(_angle-1.57)*BOLD, Math.sin(_angle-1.57)*BOLD);
var zureR:Point = new Point(Math.cos(_angle+1.57)*BOLD, Math.sin(_angle+1.57)*BOLD);
pointArrL.push(new Point(zureL.x+mouseX, zureL.y+mouseY));
pointArrR.push(new Point(zureR.x+mouseX, zureR.y+mouseY));
graphics.clear();
graphics.lineStyle(1, COLOR, 1);
graphics.moveTo(pointArrL[0].x, pointArrL[0].y);
for(var i:int=0; i<pointArrL.length-1; i+=4){
var px:Number = (pointArrL[i].x + pointArrL[i+1].x)/2;
var py:Number = (pointArrL[i].y + pointArrL[i+1].y)/2;
graphics.curveTo(pointArrL[i].x, pointArrL[i].y, px, py);
}
/* head */
if(pointArrL.length <= 2) return;
graphics.lineTo(pointArrL[pointArrL.length-1].x, pointArrL[pointArrL.length-1].y);
graphics.lineTo(zureL.x*2+mouseX, zureL.y*2+mouseY);
graphics.lineTo(Math.cos(_angle)*BOLD*3+mouseX, Math.sin(_angle)*BOLD*3+mouseY);
graphics.lineTo(zureR.x*2+mouseX, zureR.y*2+mouseY);
graphics.lineTo(pointArrR[pointArrR.length-1].x, pointArrR[pointArrR.length-1].y);
for(i=pointArrR.length-1; i>1; i-=4){
px = (pointArrR[i-1].x + pointArrR[i].x)/2;
py = (pointArrR[i-1].y + pointArrR[i].y)/2;
graphics.curveTo(pointArrR[i].x, pointArrR[i].y, px, py);
}
graphics.lineTo(pointArrL[0].x, pointArrL[0].y);
graphics.endFill();
}
}