/**
* Copyright tepe ( http://wonderfl.net/user/tepe )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/jEgM
*/
package {
import flash.events.*;
import flash.text.TextField;
import flash.display.Sprite;
import flash.geom.*;
public class FlashTest extends Sprite {
private var txt:TextField;
public function FlashTest() {
if(stage==null)this.addEventListener(Event.ADDED_TO_STAGE,init);
else init(null);
}
private function addPoint(x:Number=0,y:Number=0,col:uint=0x000000):void{
var p1:Point2 = new Point2(x,y,col);
addChild(p1);
p[p1.id]=p1;
}
private function init(e:Event):void{
txt = new TextField;
txt.selectable = false;
addChild(txt);
txt.width = 400;
txt.height = 300;
txt.text = "test";
addEventListener(Event.ENTER_FRAME,onFrame);
addPoint();//0
addPoint(200,200,0xff0000);//1
addPoint(300,300);//2
addPoint(100,300);//3
addPoint(100,100);//4
addPoint(200,300);//5
addPoint(200,100);//6
addPoint(200,400);//7
//addPoint(200,100);//8
addLine(p[0],p[4],0x0000ff);
addLine(p[3],p[4],0xff0000);
addLine(p[0],p[3]);
addVector(p[2],p[4],0x00ff00);
//p[3].text = "A";
//p[2].text = "H";
}
private function drawLine(p1:Point2,p2:Point2,col:uint=0x000000):void{
graphics.lineStyle(0,col);
graphics.moveTo(p1.x,p1.y);
graphics.lineTo(p2.x,p2.y);
}
private function drawVector(p1:Point2,p2:Point2,col:uint=0x000000):void{
graphics.lineStyle(0,col);
graphics.moveTo(p1.x,p1.y);
graphics.lineTo(p2.x,p2.y);
var a:Number = angle(p1,p2);//ベクトルの角度
var b:Number = distance(p1,p2);//ベクトルの長さ
const c:Number = 0.9;//矢印の角度
const d:Number = 0.1;//矢印の大きさ
var x3:Number = Math.cos(a-Math.PI*c)*(b*d);
var y3:Number = Math.sin(a-Math.PI*c)*(b*d);
graphics.lineTo(p2.x+x3,p2.y+y3);
graphics.moveTo(p2.x,p2.y);
x3 = Math.cos(a+Math.PI*c)*(b*d);
y3 = Math.sin(a+Math.PI*c)*(b*d);
graphics.lineTo(p2.x+x3,p2.y+y3);
}
private const LINE:int = 0;
private const VECTOR:int = 1;
private var lineList:Array = new Array();
//表示する線を登録
private function addLine(p1:Point2,p2:Point2,col:uint=0x000000):void{
var line:Array = new Array();
line[0] = p1;
line[1] = p2;
line[2] = col;
line[3] = LINE;
lineList[lineList.length]=line;
}
//ベクトル登録
private function addVector(p1:Point2,p2:Point2,col:uint=0x000000):void{
var line:Array = new Array();
line[0] = p1;
line[1] = p2;
line[2] = col;
line[3] = VECTOR;
lineList[lineList.length]=line;
}
//登録された線をまとめて描画
private function drawLines():void{
for(var i:int=0;i<lineList.length;i++){
var line:Array = lineList[i];
var p1:Point2 = line[0];
var p2:Point2 = line[1];
var col:uint = line[2];
switch(line[3]){
case LINE:
drawLine(p1,p2,col);
break;
case VECTOR:
drawVector(p1,p2,col);
break;
}
}
}
private function distance(p1:Point2, p2:Point2):Number{
var disx:Number = p2.x - p1.x;
var disy:Number = p2.y - p1.y;
var p:Point = new Point(disx,disy);
var dis:Number = Math.sqrt(disx*disx + disy*disy);
return Math.abs(dis);
}
private function drawAngle(p1:Point2,p2:Point2,p3:Point2,col:uint=0x000000):void{
//角度表示サイズを決める
var n1:Number = distance(p1,p2);
var n2:Number = distance(p2,p3);
//辺の角度を求める
var a:Number = angle(p1,p2);
var b:Number = angle(p2,p3);
var c:Number;
if(Math.PI < b-a)c = Math.PI*0.5;
else c = -Math.PI*0.5;
graphics.lineStyle(0,col);
graphics.moveTo(p1.x,p1.y);
graphics.lineTo(p2.x,p2.y);
}
private function angle(p1:Point2,p2:Point2):Number{
var a:Number = p2.x - p1.x;
var b:Number = p2.y - p1.y;
var c:Number = Math.atan2(b,a);
if(c<0)c+= Math.PI*2;
txt.appendText("\n["+p1.text+"->"+p2.text+"] "+c.toString());
return c;
}
private function drawAngle2(x:Number, y:Number, rad:Number, col:uint):void{
var r:Number=10;
graphics.lineStyle(0,col);
graphics.moveTo(x,y);
graphics.lineTo(x+Math.cos(rad)*r,y+Math.sin(rad)*r);
}
private var rad:Number=0;
private var cnt:int=0;
private var p:Object = new Object();
private function onFrame(event:Event):void{
cnt++;
rad = Math.PI /180 *cnt;
var r:Number = 100;
var x:Number = Math.cos(rad);
txt.text = x.toString();
graphics.clear();
graphics.lineStyle(0,0xaaaaaa);
graphics.drawCircle(p[1].x,p[1].y,r);
//rad %= Math.PI;
var x3:Number = Math.cos(rad)*r;
var y3:Number = Math.sin(rad)*r;
p[0].x = p[1].x+r;
p[0].y = p[1].y;
p[2].x = p[1].x + Math.cos(rad)*r;
p[2].y = p[1].x;
p[3].x = p[1].x-r;
p[3].y = p[1].y;
p[4].x = p[1].x+x3;
p[4].y = p[1].y+y3;
/*
//辺の角度を求める
var a:Number = angle(p[0],p[4]);
var b:Number = angle(p[4],p[3]);
var c:Number = distance(p[0],p[4]);
var d:Number = distance(p[4],p[3]);
var e:Number;
const f:Number = 0.15;
if(c<d)e = c*f;
else e = d*f;
p[5].x = p[4].x+Math.cos(a+Math.PI)*e;
p[5].y = p[4].y+Math.sin(a+Math.PI)*e;
p[6].x = p[4].x-Math.cos(b+Math.PI)*e;
p[6].y = p[4].y-Math.sin(b+Math.PI)*e;
*/
//p[7].x = p[5].x+Math.cos(a+Math.PI/2)*e;
//p[7].y = p[5].y+Math.sin(a+Math.PI/2)*e;
//if(Math.PI < b-a)c = Math.PI*0.5;
//else c = -Math.PI*0.5;
var ax2:Number = 150;
var ay2:Number = 0;
var ax:Number = 0;//x2+x3;
var ay:Number = -r;//y2+y3;
ax = Math.cos(rad)*ax2 -Math.sin(rad)*ay2;
ay = Math.sin(rad)*ax2 +Math.cos(rad)*ay2;
//p[5].x = p[1].x+ax;
//p[5].y =p[1].y+ay;
//回転後X = cos(rot)*元x - sin(rot)*元y;
//回転後Y = sin(rot)*元x + cos(rot)*元y
drawLines();
angle(p[1],p[4]);
angle(p[4],p[1]);
angle(p[1],p[2]);
}
}
}
import flash.text.TextField;
import flash.display.*;
import flash.events.*;
class Point2 extends Sprite{
private var tytle:TextField = new TextField();
private static var cnt:int=0;
private var _col:uint;
private var _id:int;
private var _origin:Point2;
public function Point2(x:Number=0,y:Number=0,col:uint=0x000000):void{
_id = cnt;
cnt++;
this.x = x;
this.y = y;
_col=col;
tytle.y = -20;
init();
}
private function init(e:Event=null):void{
this.removeEventListener(Event.ADDED_TO_STAGE,init);
tytle.text = _id.toString();
tytle.selectable = false;
this.addChild(tytle);
draw();
}
public function draw(col:uint=0x000000):void{
if(col!=0x000000)_col = col;
this.graphics.clear();
this.graphics.lineStyle(0,_col);
this.graphics.drawCircle(0,0,3);
}
public function set text(n:String):void{
tytle.text = n;
}
public function get text():String{
return tytle.text;
}
public function get id():int{
return _id;
}
public function set origin(o:Point2):void{
_origin = o;
}
private var _x:Number;
private var _y:Number;
public function get X():Number{
if(_origin==null)return _x;
return _x+_origin.Y;
}
public function get Y():Number{
if(_origin==null)return _y;
return _y+_origin.Y;
}
public function set X(n:Number):void{
_x = n;
this.x = this.X;
}
public function set Y(n:Number):void{
_y = n;
this.y = this.Y;
}
}
