Tweenerでミサイルぽく移動
指定の場所へ、指定の向きで（ミサイルぽく）移動させてみたい
クリックで目標点切り替えて移動
/**
* Copyright HaraMakoto ( http://wonderfl.net/user/HaraMakoto )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/2kac
*/
package {
import caurina.transitions.Tweener;
import caurina.transitions.properties.CurveModifiers;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Point;
/**
* 指定の場所へ、指定の向きで（ミサイルぽく）移動させてみたい
* クリックで目標点切り替えて移動
*/
[SWF(width="465", height="465", backgroundColor="0x0", frameRate="40")]
public class LineVector extends Sprite
{
CurveModifiers.init();
//動く子
private var moveObj:mover = new mover();
//目標のxy
private var targetX:Number, targetY:Number;
//目標の回転値
private var R:Number = 70;
//目標のしっぽ
private var tPt:Point = new Point(0,0);
private var tMC:Sprite = new Sprite();
//目標の中間地点
private var midPt:Point = new Point(0,0);
private var mMC:Sprite = new Sprite();
//次のステップ点
private var nextPt:Point = new Point(0,0);
private var nMC:Sprite = new Sprite();
//目印用の○
private var pointer:Sprite = new Sprite();
//目標の目印の子
private var targetRect:Sprite = new Sprite();
/**
* pararm
*/
private var trans:String = "easeOutQuint";
public function LineVector()
{
addChild(targetRect);
addChild(pointer);
addChild(tMC);
addChild(nMC);
addChild(moveObj);
moveObj.x = moveObj.y = 100;
//ターゲット設定
defineTarget();
decideTails(targetRect,R,465*Math.random(), 465*Math.random());
//pointer
drawCirc(tMC);
drawCirc(nMC);
drawCirc(pointer);
//ボール飛ばし
gotoTargetR();
addEventListener(Event.ADDED_TO_STAGE, addStageHandler);
}
private function addStageHandler(e:Event):void
{
stage.addEventListener(MouseEvent.CLICK, stageClickHandler);
}
//クリックで目標切り替え
private function stageClickHandler(e:MouseEvent):void
{
R = 360 * Math.random();
decideTails(targetRect,R,465*Math.random(), 465*Math.random());
gotoTargetR();
}
private function drawCirc(mc:Sprite):void
{
mc.graphics.beginFill(0xFF0000);mc.graphics.drawCircle(0,0,4);
mc.graphics.endFill();
}
//
private function gotoTargetR():void
{
var bz:Array = [
{x:nextPt.x,y:nextPt.y},{x:midPt.x,y:midPt.y},{x:tPt.x,y:tPt.y}
];
Tweener.addTween(moveObj,{x:targetRect.x, y:targetRect.y, _bezier:bz, time:3, transition:trans});
}
//目標の形設定
private function defineTarget():void
{
targetRect.graphics.beginFill(0xCCCCCC);
targetRect.graphics.moveTo(-20, -10);
targetRect.graphics.lineTo(10,-5);
targetRect.graphics.lineTo(10,5);
targetRect.graphics.lineTo(-20,10);
targetRect.graphics.endFill();
}
//目標のしっぽ//現在の次ステップ予定//目標との中間
//を決める
private function decideTails(targ:Sprite,r:Number,_x:Number,_y:Number):void
{
targetX = _x;
targetY = _y;
targetRect.x = targetX;
targetRect.y = targetY;
targetRect.rotation = R;
var RR:Number = 100;
//しっぽ
tPt.x = targ.x - RR*Math.cos(r*Math.PI/180);
tPt.y = targ.y - RR*Math.sin(r*Math.PI/180);
tMC.x = tPt.x; tMC.y = tPt.y;
//次ステップ
nextPt.x = moveObj.x + moveObj.vx;
nextPt.y = moveObj.y + moveObj.vy;
nMC.x = nextPt.x; nMC.y = nextPt.y;
//中間点
var dx:Number = tPt.x-nextPt.x;
var dy:Number = tPt.y-nextPt.y;
var nR:Number = Math.atan2(dy,dx);
var distance:Number = Math.sqrt(dx*dx + dy*dy);
midPt.x = nextPt.x + (tPt.x-nextPt.x)/2 + distance*0.25*Math.cos(nR+90*Math.PI/180);
midPt.y = nextPt.y + (tPt.y-nextPt.y)/2 + distance*0.25*Math.sin(nR+90*Math.PI/180);
pointer.x = midPt.x; pointer.y = midPt.y;
moveObj.vx = 100*Math.cos(targ.rotation*Math.PI/180);
moveObj.vy = 100*Math.sin(targ.rotation*Math.PI/180);
}
}
}
import flash.display.Sprite;
class mover extends Sprite {
public var vx:Number = 10;
public var vy:Number = 5;
public function mover()
{
makeCirc();
}
private function makeCirc():void
{
this.graphics.beginFill(0xFFFFFF);
this.graphics.drawCircle(0,0,4);
this.graphics.endFill();
}
}