148 lines
3.8 KiB
Fortran
148 lines
3.8 KiB
Fortran
!
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! fonctions de base de gestion des bloubs
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!
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module bloubspace
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implicit none
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! ----------------------------------------------------------------
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type t_bloubs
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character(8) :: nick
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logical :: alive
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integer :: num ! ???
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real :: px, py, pz
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real :: vx, vy, vz
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real :: radius
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integer :: age
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end type t_bloubs
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contains ! -----------------------------------------
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subroutine random_pv (blb)
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type(t_bloubs), intent (inout) :: blb
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blb%px = 1.35 * (rand() - 0.50)
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blb%py = 0.50 + (rand() * 0.50)
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blb%pz = 1.90 * (rand() - 0.50)
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blb%vx = (rand() - 0.5) / 2.500
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blb%vy = (rand() - 0.1) / 4.000
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blb%vz = (rand() - 0.5) / 2.500
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blb%alive = .TRUE.
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end subroutine
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! ----------------------------------------------------------------
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! Load a blbs file into an array of bloubs
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! ----------------------------------------------------------------
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! Dump an array of bloubs to a blbs file.
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! ----------------------------------------------------------------
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! Display a bloub content to stderr
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subroutine display_bloub (blb, message)
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type(t_bloubs), intent (in) :: blb
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character(*), intent (in) :: message
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character(5) :: life
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if (blb%alive) then
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life = "alive"
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else
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life = "dead"
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endif
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write (0, '(4X, A)') '+--------------- ' // message // " -------"
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write (0, '(4X,A3,A8,2X,I6,4X,A5,4X,I5)') '| ', &
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blb%nick, blb%num, life, blb%age
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write (0, '(4X,A3,3X,3(F8.3, 4X))') '| P', blb%px, blb%py, blb%pz
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write (0, '(4X,A3,3X,3(F8.3, 4X))') '| V', blb%vx, blb%vy, blb%vz
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write (0, '()')
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end subroutine
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! ----------------------------------------------------------------
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subroutine move_bloub (blb, coef)
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type(t_bloubs), intent (inout) :: blb
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real, intent (in) :: coef
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! we must check that this bloub is alive ?
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blb%px = blb%px + (blb%vx * coef)
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blb%py = blb%py + (blb%vy * coef)
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blb%pz = blb%pz + (blb%vz * coef)
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end subroutine
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! ----------------------------------------------------------------
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subroutine bound_a_blob (blb)
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type(t_bloubs), intent (inout) :: blb
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if (5.0 .lt. blb%px) then
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blb%vx = -1.0 * blb%vx
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blb%px = 5.0
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blb%age = blb%age + 1
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endif
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if (-5.0 .gt. blb%px) then
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blb%vx = -1.0 * blb%vx
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blb%px = -5.0
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blb%age = blb%age + 1
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endif
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if (0.0 .gt. blb%py) then
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blb%vy = -1.0 * blb%vy
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blb%py = 0.0
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blb%age = blb%age + 1
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endif
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if (4.99 .lt. blb%py) then !!
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blb%vy = -1.0 * blb%vy
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blb%age = blb%age + 1
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blb%py = 4.99 !!
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endif
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if (5.0 .lt. blb%pz) then
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blb%vz = -1.0 * blb%vz
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blb%age = blb%age + 1
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blb%pz = 5.0
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endif
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if (-5.0 .gt. blb%pz) then
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blb%vz = -1.0 * blb%vz
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blb%age = blb%age + 1
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blb%pz = -5.0
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endif
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end subroutine
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! ----------------------------------------------------------------
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function distance_of_bloubs(bla, blb)
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type(t_bloubs), intent(in) :: bla, blb
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real :: distance_of_bloubs
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real :: dx, dy, dz
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dx = (bla%px-blb%px)**2
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dy = (bla%py-blb%py)**2
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dz = (bla%pz-blb%pz)**2
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distance_of_bloubs = sqrt(dx + dy +dz)
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end function
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! ----------------------------------------------------------------
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! kill a bloub under condition(s)
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subroutine green_soylent (blb)
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type(t_bloubs), intent (inout) :: blb
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if (blb%age .gt. 8) then
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blb%alive = .FALSE.
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endif
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end subroutine
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! ----------------------------------------------------------------
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end module
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