changed test for subdivision to loop

}

func TestIcosahedronSubdivide(t *testing.T) {

	ico0, _ := Create()

	ico1, _ := Subdivide(ico0)

	lsv1 := len(ico1.vs)

	lsf1 := len(ico1.fs)

	t.Logf("Subdivided Ico %d: %d vertices, %d faces", ico1.level, lsv1, lsf1)

	ico2, _ := Subdivide(ico1)

	lsv2 := len(ico2.vs)

	lsf2 := len(ico2.fs)

	t.Logf("Subdivided Ico %d: %d vertices, %d faces", ico2.level, lsv2, lsf2)

	const maxIter = 6

	var ico *Icosahedron

	for i := 0; i < maxIter; i++ {

		if i == 0 {

			ico, _ = Create()

		} else {

			ico, _ = Subdivide(ico)

		}

		cv := len(ico.vs)

		cf := len(ico.fs)

		t.Logf("Icosahedron: subdivision %d, %d vertices, %d faces", ico.level, cv, cf)

	}

}