class graphObject {
    private var m_movie : MovieClip = null;
    private var m_color : Number = 0x000000;
    private var m_thikness : Number = 1;
    
    public function graphObject ( movie : MovieClip ) {
        m_movie = movie;
    //    this.setObjectStyle( m_thikness, m_color );
    }
    
    public function drawObject(){ }
    
    public function setObjectStyle ( thikness : Number, color : Number ) {
        m_color = color;
        m_thikness = thikness;
        m_movie.lineStyle( m_thikness, m_color );  
    }
            
}
-------------------
class graphLine extends graphObject {
    private var m_x : Number = 0;
    private var m_y : Number = 0;
    private var m_anchorX : Number = 0;
    private var m_anchorY : Number = 0;

//CONSTRUCTOR
    public function graphLine ( movie : MovieClip ) { m_movie = movie;    }

//PUBLIC    
    public function drawObject () {
        m_movie.moveTo( m_x, m_y );
        m_movie.lineTo( m_anchorX, m_anchorY );
    }
    
    public function setXY ( sX : Number, sY : Number, eX : Number, eY : Number ) {
        setStartXY ( sX, sY );
        setEndXY ( eX, eY );
    }

//PRIVATE    
    private function setStartXY ( sX : Number, sY : Number ) {
        m_x = sX;
        m_y = sY;
    }
    
    private function setEndXY ( eX : Number, eY : Number ) {
        m_anchorX = eX;
        m_anchorY = eY;
    }
}
----------------

lass curveLine extends graphLine {

    private  var m_controlX : Number = 0;
    private  var m_controlY : Number = 0;

//CONSTRUCTOR    
    public function curveLine ( movie : MovieClip ) { m_movie = movie; }

//PUBLIC        
    public function drawObject () {
        m_movie.moveTo( m_x, m_y );
        m_movie.curveTo( m_anchorX, m_anchorY, m_controlX, m_controlY );
    }
    
    public function setAnchorXY( aX : Number, aY : Number ) {
        m_controlX = aX;
        m_controlY = aY;
    }

//PRIVATE
    
}
------------------

import curveLine;

class multiCurveLine extends graphLine {
    private var m_qP : Number = 1;
    private var m_subCurves : Array = new Array();
    private var m_controls : Array = new Array();

//CONSTRUCTOR
    public function multiCurveLine (  movie : MovieClip, qP : Number ) {
            m_movie = movie;
            m_qP = qP;
            for ( var i : Number; i < m_qP; i++ ) {
                m_subCurves[i] = new curveLine( m_movie );
            }
    }

//PUBLIC
    public function drawObject () {
        for ( var i : Number; i < m_qP; i++ ) {
                m_subCurves[i].drawObject();
            }
    };
    
    public function setObjectStyle ( thikness : Number, color : Number ) {
        m_color = color;
        m_thikness = thikness;
        m_movie.lineStyle( m_thikness, m_color );
    }

//PRIVATE
    public function initPoints() {
        m_subCurves[0].setXY( m_x, m_y, random( 500 ) , random( 500 ) );
        for ( var i : Number = 0; i < m_qP; i++ ) {
            m_subCurves[i].setXY( m_x, m_y, random( 500 ) , random( 500 ) );    
        }
    }    
    


    
}
----------------

ОСНОВНОЙ КОД

this.createEmptyMovieClip("clip1", this.getNextHighestDepth() );

var line1 : graphLine = new graphLine ( clip1 );
line1.setObjectStyle( 2, 0x999999 );
line1.setXY( 100, 200, 300, 400 );
line1.drawObject();

var curve1 : curveLine = new curveLine ( clip1 );
curve1.setObjectStyle( 2, 0x9f0ff9 );
curve1.setXY( 100, 200, 30, 40 );
curve1.setAnchorXY( 300, 400 );
curve1.drawObject();

// ВОТ ЭТА ЛИНИЯ НЕ РИСУЕТСЯ
var curve2 : multiCurveLine = new multiCurveLine ( clip1, 4 );
curve2.setObjectStyle( 3, 0x000000 );
curve2.setXY( 100, 200, 200, 400 );
curve2.initPoints();
curve2.drawObject();