/**
* Gets the face area
*
* @return face area
*/
public double getArea()
{
//area = (a * c * sen(B))/2
Point3d p1 = v1.getPosition();
Point3d p2 = v2.getPosition();
Point3d p3 = v3.getPosition();
Vector3d xy = new Vector3d(p2.X - p1.X, p2.Y - p1.Y, p2.Z - p1.Z);
Vector3d xz = new Vector3d(p3.X - p1.X, p3.Y - p1.Y, p3.Z - p1.Z);
double a = Vector3d.Distance(p1, p2);
double c = Vector3d.Distance(p1, p3);
double B = xy.Angle(xz);
return((a * c * Math.Sin(B)) / 2d);
}
