Function TestPolylineIntersectsCell

s2/polyline_test.go:141–153

(t *testing.T)

}

func TestPolylineIntersectsCell(t *testing.T) {
	pline := Polyline{
		Point{r3.Vector{X: 1, Y: -1.1, Z: 0.8}.Normalize()},
		Point{r3.Vector{X: 1, Y: -0.8, Z: 1.1}.Normalize()},
	}

	for face := range 6 {
		cell := CellFromCellID(CellIDFromFace(face))
		if got, want := pline.IntersectsCell(cell), face&1 == 0; got != want {
			t.Errorf("%v.IntersectsCell(%v) = %v, want %v", pline, cell, got, want)
		}
	}
}

func TestPolylineSubsample(t *testing.T) {
	const polyStr = "0:0, 0:1, -1:2, 0:3, 0:4, 1:4, 2:4.5, 3:4, 3.5:4, 4:4"