Fortraneries/BloubWorld/movebloubs.f90

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program movebloubs
use bloubspace
use povstuff
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use mathstuff
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implicit none
character(200) :: infile, outfile
integer :: inu, outu, errcode, i
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integer :: compteur, killed
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type(t_bloubs) :: bloub
double precision :: bx, by, bz
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! logical :: add_new_bloub = .TRUE.
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real :: rnd
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call init_random_seed()
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i = IARGC()
if (i .ne. 2) then
STOP ": BAD ARGS ON COMMAND LINE"
endif
call getarg(1, infile)
call getarg(2, outfile)
write (0, '(A)') &
"*** moving bloubs from "//trim(infile)//" to "//trim(outfile)
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open(newunit=inu, &
file=trim(infile), form='unformatted', &
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iostat=errcode, &
action='read', status='old')
if (0 .ne. errcode) then
STOP " : CAN'T OPEN FILE " // trim(infile)
endif
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open(newunit=outu, &
file=trim(outfile), form='unformatted', &
iostat=errcode, &
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action='write', status='replace')
if (0 .ne. errcode) then
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STOP " : CAN'T OPEN " // trim(outfile) // "FOR WRITE"
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endif
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! write(0, '("Units: ", 2I5)') inu, outu
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bx = 0.0; by = 0.0; bz = 0.0
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compteur = 0
killed = 0
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do
read (unit=inu, iostat=errcode) bloub
if (0 .ne. errcode) then
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! may be we got an EOF ?
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exit
endif
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! moving, morphing and boundingboxing
call move_bloub (bloub, 0.185)
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call bound_a_blob (bloub)
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if (bloub%radius .GT. 0.0151) then
bloub%radius = bloub%radius * 0.9970
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endif
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call green_soylent (bloub)
if (.NOT. bloub%alive) then
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! write(0, '(A)') " KILL!"
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killed = killed + 1
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! cycle ! ???
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endif
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! calcul du barycentre
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bx = bx + dble(bloub%px)
by = by + dble(bloub%py)
bz = bz + dble(bloub%pz)
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write(outu, iostat=errcode) bloub ! no error control ?
if (0 .ne. errcode) then
STOP " : WRITE ERROR TO " // trim(outfile)
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endif
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compteur = compteur + 1
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enddo ! end of main loop
write(0, '(I5,1X,A)') compteur, "bloubs processed"
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! ok, we have read all the bloubs in the input file
! insert some fancy conditional here
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if (compteur .LT. 3000) then
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rnd = rand()
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write (0, '(A,1X,F9.6)') "try to add bloubs, rnd is", rnd
if (rnd .LT. 0.0450) then
call add_more_bloubs(outu, 24, 0.0990)
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endif
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endif
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close(inu) ; close(outu)
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if (killed .GT. 0) then
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write (0, '(I5,A)') killed, " bloubs killed"
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endif
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bx = bx / dble(compteur)
by = by / dble(compteur)
bz = bz / dble(compteur)
write (0, '(A,3(F12.6,3X))') "barycentre : ", bx, by, bz
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! --------------------------------------------------------------
contains
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subroutine add_more_bloubs(un, nbre, rayon)
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integer, intent(in) :: un, nbre
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real, intent(in) :: rayon
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type(t_bloubs) :: bloub
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integer :: foo, count
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count = nbre+mod(irand(), 7)
write(0, '(A,I4,1X,A)') "adding", count, "bloubs"
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do foo=1, count
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bloub%nick = 'newbie '
call random_pv(bloub)
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bloub%radius = rayon + (0.15*rand())
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bloub%age = 1
bloub%alive = .TRUE.
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bloub%num = mod(irand(), 42)
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write(un) bloub ! no error control ?
enddo
end subroutine
! --------------------------------------------------------------
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end program movebloubs