/**
* Copyright mousepancyo ( http://wonderfl.net/user/mousepancyo )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/tGXi
*/
/*
「ただの回転運動」に多少実装を加えて太陽系にしてみた。
次の課題はそれぞれの惑星に「引力」を持たせることだけど、
出来るのか？できません。
でもまぁ、頑張ってはみますがどうやって実装したらいいものか…
*/
package{
import flash.display.Sprite
import flash.events.Event;
import flash.geom.Point;
[SWF(width=465, height=465, backgroundColor=0,frameRate=30)]
public class Main extends Sprite{
private var _circleList:Vector.<Circle> = new Vector.<Circle>()
private var _motionList:Vector.<CircleMotion> = new Vector.<CircleMotion>()
//
private const _sizeList:Vector.<int> = Vector.<int>([3, 4, 6, 4, 16, 18, 12, 10])
private const _speedList:Vector.<Number> = Vector.<Number>([4.166,1.64,1,0.53,0.084,0.034,0.012,0.0061])
private const _radList:Vector.<int> = Vector.<int>([5, 16, 35, 60, 90, 130, 180,220])
private const _circleColorList:Vector.<int> = Vector.<int>([0xB3B0B8, 0xADA224, 0x2DD0AB, 0xB34D0C, 0x907853, 0xA08B14, 0x83AAD7, 0x2D7DB8])
private const _deceleration:Number = 0.2
public function Main(){
var base:Base = new Base(0, stage.stageWidth, stage.stageHeight)
addChild(base)
for(var i:int=0; i<_sizeList.length; i++){
var col:int = 0x303030
createPlanet(_circleColorList[i], _sizeList[i], _speedList[i]*_deceleration, _radList[i])
_circleList[i].addEventListener(Event.ENTER_FRAME, update)
base.graphics.lineStyle(1, col, 1, true, "normal",null, null, 1)
base.graphics.drawCircle(stage.stageWidth/2, stage.stageHeight/2, _radList[i])
}
createMoon()
createRing()
}
private function createPlanet(color:int, size:int, speed:Number, rad:Number):void{
var circle:Circle = new Circle(color, size, speed, rad)
_circleList.push(circle)
circle.x = stage.stageWidth/2
circle.y = stage.stageHeight/2
circle.pos = new Point(circle.x, circle.y)
addChild(circle)
}
private function createMoon():void{
var moon:Circle = new Circle(0xB9D7EC, 2, 13.18*_deceleration, 9)
moon.x = 0
moon.y = 0
moon.pos = new Point(moon.x, moon.y)
_circleList[2].addChild(moon)
moon.addEventListener(Event.ENTER_FRAME, update)
}
private function createRing():void{
_circleList[5].graphics.lineStyle(1,0xFFE7BE, 0.5)
_circleList[5].graphics.drawCircle(0,0,20)
_circleList[5].graphics.lineStyle(2,0xFFE7BE, 0.2)
_circleList[5].graphics.drawCircle(0,0,22)
_circleList[5].graphics.lineStyle(1,0xFFE7BE, 0.3)
_circleList[5].graphics.drawCircle(0,0,23)
}
private function update(e:Event):void{
e.target.x = e.target.motion.setPos(e.target.pos).x
e.target.y = e.target.motion.setPos(e.target.pos).y
}
}
}
//class Circle
import flash.display.Sprite;
import flash.display.BitmapData;
import flash.display.Bitmap;
import flash.geom.Point;
class Circle extends Sprite{
private var _pos:Point = new Point()
private var _speed:Number
private var _radius:Number
private var _motion:CircleMotion;
public function Circle(color:int,r:int, speed:Number, rad:Number):void{
_speed = speed
_radius = rad
//
var colors:Array = [color, 0]
var alphas:Array = [1, 1]
var ratios:Array = [0, 50]
graphics.beginGradientFill("radial", colors, alphas, ratios)
graphics.drawCircle(0,0,r)
graphics.endFill()
//
_motion = new CircleMotion(_speed, _radius)
}
public function get motion():CircleMotion{
return _motion
}
public function set pos(p:Point):void{
_pos = p
}
public function get pos():Point{
return _pos
}
public function set speed(s:Number):void{
_speed = s
}
public function get speed():Number{
return _speed
}
public function set radius(r:Number):void{
_radius = r
}
public function get radius():Number{
return _radius
}
}
//class CircreMotion
import flash.geom.Point;
class CircleMotion{
private var _angle:Number;
private var _speed:Number;
private var _radius:Number;
private var _point:Point = new Point()
public function CircleMotion(speed:Number, rad:Number){
_speed = speed
_radius = rad
_angle = (Math.floor(Math.random()*18))*10
}
public function setPos(pos:Point):Point{
var radian:Number = _angle * Math.PI / 90;
_point.x = pos.x + _radius * Math.cos(radian);
_point.y = pos.y + _radius * Math.sin(radian);
_angle += _speed;
return _point
}
public function set speed(speed:Number):void{
_speed = speed;
}
public function get speed():Number{
return _speed;
}
public function set radius(rad:Number):void{
_radius = rad;
}
public function get radius():Number{
return _radius;
}
}
//class Base
import flash.display.Sprite
class Base extends Sprite{
public function Base(color:int,w:int,h:int):void{
graphics.beginFill(color, 1)
graphics.drawRect(0,0,w,h)
graphics.endFill()
}
}