private static boolean isDegenerateTriangle(Vector3f a, Vector3f b, Vector3f c) {
        return (a.subtract(b).cross(c.subtract(b))).lengthSquared() == 0;
    }
A private constructor to inhibit instantiation of this class.
jme3-core/src/main/java/com/jme3/util/TangentBinormalGenerator.java