func readSpotLight(s *bufio.Scanner) (l Light, err error) {
l, err = readBaseLight(s)
if err != nil {
return
}
var sl spotLight
sl.baseLight = *l.(*baseLight)
sl.center, err = vec.ReadPos(s)
return &sl, err
}
func readBaseLight(s *bufio.Scanner) (l Light, err error) {
var light baseLight
light.id = getNextId()
light.color, err = color.Read(s)
if err != nil {
return
}
light.center, err = vec.ReadPos(s)
return &light, err
}