func faceXYZToUV()

in s2/stuv.go [255:285]

• 30 lines of code
• 12 McCabe index (conditional complexity)

func faceXYZToUV(face int, p Point) (u, v float64, ok bool) {
	switch face {
	case 0:
		if p.X <= 0 {
			return 0, 0, false
		}
	case 1:
		if p.Y <= 0 {
			return 0, 0, false
		}
	case 2:
		if p.Z <= 0 {
			return 0, 0, false
		}
	case 3:
		if p.X >= 0 {
			return 0, 0, false
		}
	case 4:
		if p.Y >= 0 {
			return 0, 0, false
		}
	default:
		if p.Z >= 0 {
			return 0, 0, false
		}
	}

	u, v = validFaceXYZToUV(face, p.Vector)
	return u, v, true
}