// octreeFace.h: interface for the octreeFace class.
//
//////////////////////////////////////////////////////////////////////

#ifndef __OCTREEFACE_H__
#define __OCTREEFACE_H__

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class octreeFace  
{
public:
	octreeFace();
	virtual ~octreeFace();
	float evaluateFace(float x,float y); //evaluate the curve at (x,y), where 0<= x <=1, y
	float setABC(float a1, float a2, float a3, float a4, float a5, float a6, float a7, float a8, float a9);
	void computeABCFromSamples(float d1, float d2, float d3, float d4, float d5, float d6, float d7, float d8, float d9);//compute a,b and c from sample points on the edge
	static void decompose(int quadrant, octreeFace& bigFace, octreeFace& smallFace);
	float getC(int index){ return m_c[index];}
	void setC(int index, float v){ m_c[index] = v;}
private:
	float m_c[9];
};

#endif // __OCTREEFACE_H__