count_face_tokens Function

public pure function count_face_tokens(line)

面行に含まれる頂点トークン数を数え、扇形分割時の三角形数算出に使う。

Arguments

Type IntentOptional Attributes Name
character(len=*), intent(in) :: line

f で始まるOBJ面行。

Return Value integer(kind=i32)


Called by

proc~~count_face_tokens~~CalledByGraph proc~count_face_tokens count_face_tokens proc~scan_obj scan_obj proc~scan_obj->proc~count_face_tokens proc~load_obj_mesh load_obj_mesh proc~load_obj_mesh->proc~scan_obj proc~build_mesh_from_config build_mesh_from_config proc~build_mesh_from_config->proc~load_obj_mesh proc~load_or_init_run_state load_or_init_run_state proc~load_or_init_run_state->proc~build_mesh_from_config program~main main program~main->proc~load_or_init_run_state

Source Code

  integer(i32) pure function count_face_tokens(line)
    character(len=*), intent(in) :: line
    character(len=1024) :: s
    integer :: pos, n, i

    s = trim(adjustl(line))
    pos = 3
    n = len_trim(s)
    count_face_tokens = 0
    do while (pos <= n)
      do while (pos <= n .and. s(pos:pos) == ' ')
        pos = pos + 1
      end do
      if (pos > n) exit
      count_face_tokens = count_face_tokens + 1
      do i = pos, n
        if (s(i:i) == ' ') then
          pos = i + 1
          exit
        end if
        if (i == n) pos = n + 1
      end do
    end do
  end function count_face_tokens