/**
* Copyright J.J ( http://wonderfl.net/user/J.J )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/cj21
*/
package {
import flash.display.MovieClip;
import flash.events.Event;
import flash.display.Graphics;
import flash.geom.Point;
import flash.events.MouseEvent;
import flash.text.TextField;
import flash.display.Sprite;
import com.bit101.components.Label;
import com.bit101.components.PushButton;
import com.bit101.components.HSlider;
import com.bit101.components.Component;
import com.bit101.components.CheckBox;
import flash.geom.ColorTransform;
import com.bit101.components.Slider;
[SWF(backgroundColor=0xffffff, width=480, height=480, frameRate=60)]
public class Ellipse extends MovieClip {
//taylor series
public var g:Graphics;
public var h:int;
public var w:int;
public var m:Point;
public var mo:Point;
public var cm:Point;
public var sf:Number=6;
public var O:Point;
public var isDown:Boolean=false;
public var ObjClicked:Boolean=false;
public var Htxs:Vector.<Label>;
public var Vtxs:Vector.<Label>;
public var a:Object;
public var c:Object
public var clickables:Array=[];
public var q:Object
public var theta:Number=0;
public var slider:Slider;
public function Ellipse() {
Htxs=new Vector.<Label>();
Vtxs=new Vector.<Label>();
g=this.graphics;
h=stage.stageHeight;
w=stage.stageWidth;
m=new Point();
mo=new Point();
cm=new Point();
O=new Point(w/2,h/2);
var mc:Sprite=new Sprite();
var qc:Sprite=new Sprite();
qc.graphics.beginFill(0x101010);
qc.graphics.drawRect(0,0,w,h);
qc.addChild(mc);
this.addChild(qc)
var step:Number=10;
var st:Number = 0;
var gc:Graphics=qc.graphics;
gc.lineStyle(1,0xffffff,.1)
for(var i:int;i<6;i++){
var tx:Label=new Label(this);
tx.text="0";
tx.x=i*(w/6);
tx.y=O.y;
Htxs.push(tx);
}
for(i=0;i<6;i++){
tx=new Label(this);
tx.y=i*(w/6);
tx.x=O.x;
Vtxs.push(tx);
}
a={x:0,y:-w/6,isClicked:false,update:null};
c={x:2*w/6,y:0,isClicked:false,update:null};
q={x:-2*w/6,y:0,isClicked:false,update:null};
c.update=q.update=function (o:Object){
var tq=o.x;
o.x=stage.mouseX-O.x;
if(c.x<0) c.x+=-c.x;
if(q.x>0) q.x+=-q.x;
if(o==q){c.x=-q.x}
if(o==c){q.x=-c.x}
}
a.update=function (o:Object){
o.y=stage.mouseY-O.y;
}
clickables.push(a);
clickables.push(c);
clickables.push(q);
g=mc.graphics;
slider=new Slider(Slider.HORIZONTAL,this,10,10);
slider.value=25
var l:Label=new Label(this,10,20,"speed");
var l2:Label=new Label(this,10,40,"move gray points to\nresize the ellipse")
// slider.name="slider"
//slider.metaData="fff"
//animated.selected=true;
qc.addEventListener(MouseEvent.MOUSE_DOWN,onMD);
qc.addEventListener(MouseEvent.MOUSE_UP,onMU);
this.addEventListener(Event.ENTER_FRAME,loop);
}
public function onMD(e:MouseEvent){
isDown=true;
m.setTo(stage.mouseX,stage.mouseY);
}
public function onMU(e:MouseEvent){
isDown=false;
ObjClicked=false;
for each(var o:Object in clickables){o.isClicked=false;}
O=O.add(mo);
mo.setTo(0,0);
}
public function loop(e:Event):void{
g.clear();
if(isDown && ObjClicked==false){
cm.setTo(stage.mouseX,stage.mouseY);
mo.setTo(cm.x-m.x,cm.y-m.y);
O=O.add(mo);
g.moveTo(m.x,m.y);
g.lineTo(cm.x,cm.y);
}
draw();
for(var i:int;i<6;i++){
var tx:Label=Htxs[i];
tx.y=O.y;
tx.y=Math.max(tx.y,0);
tx.y=Math.min(tx.y,h-15)
var xt:Number = (i / 6) *sf-(O.x/w)*sf;
tx.text=xt.toFixed(2)+"";
var tx2:Label=Vtxs[i];
tx2.x=O.x;
tx2.x=Math.max(tx2.x,0)
tx2.x=Math.min(tx2.x,w-15)
xt = (i / 6) *sf-(O.y/h)*sf;
xt*=-1;
tx2.text=xt.toFixed(2)+"";
}
drawEllipse();
O=O.subtract(mo);
}
public function drawEllipse(){
// trace(slider.value)
g.endFill()
var n:int=50;
var ay=a.y/(w/6)
var qx=((q.x-c.x)/2)/(w/6)
var b:Number=Math.sqrt(ay*ay+qx*qx)*(w/6);
theta+=.01*Math.PI*(slider.value/100)
var Rx:Number=getXY(0,b,a.y).x;
g.lineStyle(1,0xff5a00,.8)
//small circle
g.drawCircle(O.x,O.y,a.y)
//big circle
g.lineStyle(1,0x00f6ff,.8)
g.drawCircle(O.x,O.y,Rx)
var sc=getXY(theta,a.y,a.y)
g.lineStyle(1,0xffffff)
g.beginFill(0xffffff)
//little arc
g.drawCircle(sc.x+O.x,sc.y+O.y,3)
var bc=getXY(theta+Math.PI,Rx,Rx)
g.drawCircle(bc.x+O.x,bc.y+O.y,3)
g.drawCircle(bc.x+O.x,sc.y+O.y,3);
g.endFill()
g.moveTo(O.x,O.y);
g.lineTo(sc.x*10000+O.x,sc.y*10000+O.y)
g.beginFill(0x11aaff,.1);
g.lineStyle(0,0xffffff,.2)
g.moveTo(sc.x+O.x,sc.y+O.y);
g.lineTo(bc.x+O.x,bc.y+O.y);
g.lineTo(bc.x+O.x,sc.y+O.y)
g.lineTo(sc.x+O.x,sc.y+O.y);
g.endFill()
g.lineStyle(1,0xff0000,.9)
var pqr=getXY(0,b,a.y);
g.moveTo(O.x+pqr.x,O.y+pqr.y);
for(var i:int=0;i<50;i++){
var phi:Number=(i/n)*Math.PI*2;
var kk=getXY(phi,b,a.y);
g.lineTo(O.x+kk.x,O.y+kk.y);
}
g.lineTo(O.x+pqr.x,O.y+pqr.y);
g.endFill()
function getXY(phi:Number,rx:Number,ry:Number){
return {x:Math.cos(phi)*rx,y:Math.sin(phi)*ry};
}
for each(var pq:Object in clickables){
g.lineStyle(0,0,0)
g.beginFill(0xffffff,.5);
g.drawCircle(O.x+pq.x,O.y+pq.y,5);
}
if(isDown){
for each(var o:Object in clickables){
var m=new Point(o.x+O.x-stage.mouseX,o.y+O.y-stage.mouseY)
var d:Number=m.x*m.x+m.y*m.y;
if(o.isClicked==true && o.update!=null) o.update(o);
if(d<25) {
if(ObjClicked==false){
ObjClicked=true;
o.isClicked=true;
}
}
}
}
}
public function drawFunc(fx:Function) {
g.endFill()
g.lineStyle(2,0x00f6ff);
g.moveTo(0,-fx((0 / w) *sf-(O.x/w)*sf)*(h/2)/(sf/2) + O.y);
for (var i:int=1;i<w;i++) {
var _x:Number = i;
var xt:Number = (i / w) *sf-(O.x/w)*sf;
var _y:Number = -fx(xt) * (h / 2) / (sf / 2) + O.y;
g.lineTo(_x , _y);
}
g.endFill()
}
public function draw(){
g.lineStyle(1,0xffffff);
g.moveTo(0, O.y);
g.lineTo(w, O.y);
g.moveTo(O.x, 0);
g.lineTo(O.x, h);
}
}
}
