// ===========================================================================
//	KawakamisChaos.java	1996 Yushin Hozumi All rights reserved.
//							Author:Yushin Hozumi
// ===========================================================================

package	StudioRAIN.chaos;

import StudioRAIN.geometry.*;
import StudioRAIN.chaos.*;

public class KawakamisChaos implements ChaosGenerator2D
{
	float a, b;
	OneParameterFunction f = null;
	
	public KawakamisChaos( float inA, float inB, OneParameterFunction inF )
	{
		a = inA;
		b = inB;
		f = inF;
	}

	public Vector2D transform( Vector2D inVector )
	{
		float theX = inVector.getX();
		float theY = inVector.getY();

		return new Vector2D
		(
			theY + a * theX + f.getValue( theX ),
			b * theX
		);
	}

	public String getScript()
	{
		return 
			"x(n+1) = y(n) + ( " + Float.toString( a ) + " )x(n) + ( " + f.getScript( "x(n)" ) + " )\n" +
			"y(n+1) = ( " + Float.toString( b ) + " )x(n)\n";
	}
}