Function TestLinePointDistance

math_test.go:476–528

(t *testing.T)

}

func TestLinePointDistance(t *testing.T) {
	data := []struct {
		l   Line
		p   Point
		exp float32
	}{
		{
			l: Line{
				P1: Point{X: 0, Y: 0},
				P2: Point{X: 0, Y: 0},
			},
			p:   Point{X: 0, Y: 0},
			exp: 0,
		},
		{
			l: Line{
				P1: Point{X: 0, Y: 0},
				P2: Point{X: 8, Y: 8},
			},
			p:   Point{X: 3, Y: 4},
			exp: 0.70710677,
		},
		{
			l: Line{
				P1: Point{X: 0, Y: 0},
				P2: Point{X: 8, Y: 8},
			},
			p:   Point{X: 3, Y: 3},
			exp: 0,
		},
		{
			l: Line{
				P1: Point{X: 0, Y: 0},
				P2: Point{X: 8, Y: 8},
			},
			p:   Point{X: 13, Y: 10},
			exp: 5.3851647,
		},
		{
			l: Line{
				P1: Point{X: 0, Y: 0},
				P2: Point{X: 8, Y: 8},
			},
			p:   Point{X: -13, Y: -10},
			exp: 16.40122,
		},
	}
	for _, d := range data {
		if res := d.l.PointDistance(d.p); res != d.exp {
			t.Errorf("Test Line.PointDistance failed. l: %v, p: %v, wanted: %v, got: %v", d.l, d.p, d.exp, res)
		}
	}
}

func TestLineNormal(t *testing.T) {
	data := []struct {