func Render(lines ln.Paths, matrix ln.Matrix) ln.Paths {
scene := ln.Scene{}
sphere := ln.NewSphere(ln.Vector{}, 1)
earth := Earth{sphere, lines}
shape := ln.NewTransformedShape(&earth, matrix)
scene.Add(shape)
eye := ln.LatLngToXYZ(35.7806, -78.6389, 1).Normalize().MulScalar(2.46)
center := ln.Vector{}
up := ln.Vector{0, 0, 1}
return scene.Render(eye, center, up, 60, 1, 0.1, 100, 0.01)
}
func getPaths(line *shp.PolyLine) ln.Paths {
var result ln.Paths
parts := append(line.Parts, line.NumPoints)
for part := 0; part < len(parts)-1; part++ {
var path ln.Path
a := parts[part]
b := parts[part+1]
for i := a; i < b; i++ {
pt := line.Points[i]
path = append(path, ln.LatLngToXYZ(pt.Y, pt.X, 1))
}
result = append(result, path)
}
return result
}