glNormalPointer()

    
void createNormals(const GLfloat Vertices[], const GLubyte Index[], GLfloat *Normals, 
				   int sizeOfIndex, int numVertexPerFace )
{
	
	if(!Normals)
		Normals = new GLfloat[sizeOfIndex*3];

	Point3 a, b, c;

	Vector3 tempVect;

	int y = 0, count = 0, z = 0;

	while(y < sizeOfIndex*3)
	{
		for(int x = 0; x < numVertexPerFace; x++)
		{
			if(x == 0)
				count = x;
			a.x = Vertices[Index[count+z]*3];
			a.y = Vertices[Index[count+z]*3+1];
			a.z = Vertices[Index[count+z]*3+2];

			
			count++;
			if(count == numVertexPerFace)
				count = 0;

			b.x = Vertices[Index[count+z]*3];
			b.y = Vertices[Index[count+z]*3+1];
			b.z = Vertices[Index[count+z]*3+2];
			

			count++;
			if(count == numVertexPerFace)
				count = 0;

			c.x = Vertices[Index[count+z]*3];
			c.y = Vertices[Index[count+z]*3+1];
			c.z = Vertices[Index[count+z]*3+2];
			
			if(count == numVertexPerFace)
				count = 0;
		
			if( count < numVertexPerFace && count > 0)
				count = count - 1;
			else
				count = numVertexPerFace -1;

		tempVect.set(createNormal(a, b, c));

		if(y < sizeOfIndex*3)
			Normals[y++] = tempVect.x;


		if(y < sizeOfIndex*3)
			Normals[y++] = tempVect.y;

	
		if(y < sizeOfIndex*3)
			Normals[y++] = tempVect.z;
		}
		
		z = z + numVertexPerFace;
	}

}