minor tweaks

BloubWorld/.gitignore

@@ -1,5 +1,7 @@
 
 bloubs.inc
+nbimg.inc
+
 *.gif
 *.blbs
 *.mp4

BloubWorld/Makefile

@@ -4,7 +4,7 @@ all:	genbloubs movebloubs exportbloubs
 
 
 GFOPT = -Wall -Wextra -g -time
-OBJS  = bloubspace.o povstuff.o
+OBJS  = bloubspace.o povstuff.o mathstuff.o
 
 # ------------------------------------------------------------
 
@@ -19,16 +19,19 @@ bloubspace.o:	bloubspace.f90 Makefile
 povstuff.o:	povstuff.f90 Makefile
 	gfortran $(GFOPT) -c $<
 
+mathstuff.o:	mathstuff.f90 Makefile
+	gfortran $(GFOPT) -c $<
+
 # ------------------------------------------------------------
 
 genbloubs:	genbloubs.f90 Makefile $(OBJS)
-	gfortran $(GFOPT) $(OBJS)  $< -o $@
+	gfortran $(GFOPT) $< $(OBJS)  -o $@
 
 movebloubs:	movebloubs.f90 Makefile $(OBJS)
-	gfortran $(GFOPT) $(OBJS)  $< -o $@
+	gfortran $(GFOPT) $< $(OBJS)  -o $@
 
 exportbloubs:	exportbloubs.f90 Makefile $(OBJS)
-	gfortran $(GFOPT) $(OBJS)  $< -o $@
+	gfortran $(GFOPT) $< $(OBJS)  -o $@
 
 # ------------------------------------------------------------
 

BloubWorld/README.md

@@ -13,6 +13,7 @@ Lesquelles évoluent en fonction du temps.
 ```
   type t_bloubs
     character(8)         :: nick
+    logical              :: alive
     integer              :: num
     real                 :: px, py, pz
     real                 :: vx, vy, vz

BloubWorld/bloubspace.f90

@@ -23,13 +23,13 @@ module bloubspace
   subroutine random_pv (blb)
     type(t_bloubs), intent (inout)  :: blb
 
-    blb%px = rand() - 0.50
+    blb%px = 1.3 * (rand() - 0.50)
-    blb%py = rand() * 0.25
+    blb%py = rand() * 0.50
-    blb%pz = rand() - 0.50
+    blb%pz = 2.0 * (rand() - 0.50)
 
-    blb%vx = (rand() - 0.5) / 4.000
+    blb%vx = (rand() - 0.5) / 3.000
-    blb%vy = (rand() - 0.5) / 4.000
+    blb%vy = (rand() - 0.5) / 3.000
-    blb%vz = (rand() - 0.5) / 4.000
+    blb%vz = (rand() - 0.5) / 3.000
 
     blb%alive = .TRUE.
 
@@ -47,10 +47,10 @@ module bloubspace
     else
       life = "dead"
     endif
-    write (0, '(A)') '------------- ' // message
+    write (0, '(4X, A)') '+------------ ' // message
-    write (0, '(4X,A8,2X,I6,4X,A5)') blb%nick, blb%num, blb%alive
+    write (0, '(4X,A3,A8,2X,I6,4X,A5)') '|  ', blb%nick, blb%num, life
-    write (0, '(4X,A1,3X,3(F8.3, 4X))') 'P', blb%px, blb%py, blb%pz
+    write (0, '(4X,A3,3X,3(F8.3, 4X))') '| P', blb%px, blb%py, blb%pz
-    write (0, '(4X,A1,3X,3(F8.3, 4X))') 'V', blb%vx, blb%vy, blb%vz
+    write (0, '(4X,A3,3X,3(F8.3, 4X))') '| V', blb%vx, blb%vy, blb%vz
     write (0, '()')
 
   end subroutine
@@ -85,18 +85,22 @@ module bloubspace
     if (0.0 .gt. blb%py) then
       blb%vy = -1.0 * blb%vy
       blb%py = 0.0
+      blb%seq = blb%seq + 1
     endif
     if (3.0 .lt. blb%py) then
       blb%vy = -1.0 * blb%vy
+      blb%seq = blb%seq + 1
       blb%py = 3.0
     endif
 
     if (5.0 .lt. blb%pz) then
       blb%vz = -1.0 * blb%vz
+      blb%seq = blb%seq + 1
       blb%pz = 5.0
     endif
     if (-5.0 .gt. blb%pz) then
       blb%vz = -1.0 * blb%vz
+      blb%seq = blb%seq + 1
       blb%pz = -5.0
     endif
 
@@ -105,7 +109,7 @@ module bloubspace
   ! ----------------------------------------------------------------
   subroutine green_soylent (blb)
     type(t_bloubs), intent (inout)  :: blb
-    if (blb%seq .gt. 200) then
+    if (blb%seq .gt. 4) then
       blb%alive = .FALSE.
     endif
   end subroutine

BloubWorld/encode.sh

@@ -3,10 +3,10 @@
 DDIR="frames/"
 
 ffmpeg  -nostdin					\
-        -loglevel info                                          \
+        -loglevel warning				\
         -y -r 25 -f image2 -i $DDIR/%05d.png 		\
 	-metadata artist='---[ tTh ]---'		\
-	-metadata title='---[ BloubWorld ]---'		\
+	-metadata title='---[ BloubWorld alpha ]---'	\
         -c:v libx264 -pix_fmt yuv420p			\
         bloubworld.mp4
 

BloubWorld/exportbloubs.f90

@@ -36,7 +36,7 @@ program genbloubs
     compte = compte + 1
   enddo
   
-  write(0, '(1X, I5, A)') compte, " bloubs exported"
+  write(0, '(1X, I8, A)') compte, " bloubs exported"
 
   close(idu)
 

BloubWorld/genbloubs.f90

@@ -7,8 +7,7 @@ program genbloubs
   character(200)        :: filename
   character(30)         :: str
   type(t_bloubs)        :: bloub
-
+  integer               :: idu
-  integer, parameter    :: idu = 33
 
   i = IARGC()
   if (i .ne. 2) then
@@ -24,14 +23,15 @@ program genbloubs
 
   ! print *, "generating ", nbbloubs, "bloubs to ", filename
 
-  open(unit=idu, file=trim(filename), form='unformatted',     &
+  open(newunit=idu, file=trim(filename), form='unformatted',     &
                  action='write', status='replace')
 
   do i = 1, nbbloubs
+
     bloub%nick = 'noname  '
     bloub%alive = .TRUE.
     call random_pv(bloub)
-    bloub%radius = 0.028
+    bloub%radius = 0.025
     bloub%seq    = 0
 
     write(idu) bloub              ! no error control ?

BloubWorld/mathstuff.f90

@@ -0,0 +1,23 @@
+module mathstuff
+
+  implicit none
+
+  contains
+
+  ! ----------------------------------------------------------------
+
+  subroutine init_random_seed()
+
+    integer, dimension(3) :: tarray
+    integer t3
+
+    call itime(tarray)
+    t3 = 200*tarray(1) + 20*tarray(2) + tarray(3)
+    print *, tarray, ' --> ', t3
+    call srand(t3)
+
+  end subroutine 
+
+  ! ----------------------------------------------------------------
+end module mathstuff
+

BloubWorld/movebloubs.f90

@@ -2,14 +2,19 @@ program movebloubs
 
   use bloubspace
   use povstuff
+  use mathstuff
 
   implicit none
 
   character(200)           :: infile, outfile
   integer                  :: inu, outu, errcode, i
+  integer                  :: compteur, killed
   type(t_bloubs)           :: bloub
   double precision         :: bx, by, bz
-  logical                  :: add_new_bloub = .FALSE.
+  logical                  :: add_new_bloub = .TRUE.
+  ! real                     :: rnd
+
+  call init_random_seed()
 
   i = IARGC()
   if (i .ne. 2) then
@@ -18,19 +23,19 @@ program movebloubs
   call getarg(1, infile)
   call getarg(2, outfile)
 
-  inu  = 42 ;   outu = 51
-
   write (0, '(A)') &
   "*** moving bloubs from "//trim(infile)//" to "//trim(outfile)
 
-  open(unit=inu,  file=trim(infile), form='unformatted',     &
+  open(newunit=inu,                                          &
+                  file=trim(infile), form='unformatted',     &
                   iostat=errcode,                            &
                   action='read', status='old')
   if (0 .ne. errcode) then
     STOP " : CAN'T OPEN FILE " // trim(infile)
   endif
 
-  open(unit=outu, file=trim(outfile), form='unformatted',     &
+  open(newunit=outu,                                         &
+                  file=trim(outfile), form='unformatted',    &
                   iostat=errcode,                            &
                   action='write', status='replace')
   if (0 .ne. errcode) then
@@ -38,26 +43,35 @@ program movebloubs
   endif
 
   bx = 0.0;   by = 0.0;   bz = 0.0
+  compteur = 0
+  killed   = 0
 
   do
     read (unit=inu, iostat=errcode) bloub
     if (0 .ne. errcode) then
+      ! may be we got an EOF ?
       exit
     endif
 
     ! moving and boundingboxing
-    call move_bloub (bloub, 0.11)
+    call move_bloub    (bloub, 0.15)
-    call bound_a_blob(bloub)
+    call bound_a_blob  (bloub)
-
+    call green_soylent (bloub)
+    if (.NOT. bloub%alive) then
+      ! write(0, '(A)') "   KILL!"
+      killed = killed  + 1
+      cycle
+    endif
     ! calcul du barycentre
-    bx = bx + bloub%px
+    bx = bx + dble(bloub%px)
-    by = by + bloub%py
+    by = by + dble(bloub%py)
-    bz = bz + bloub%pz
+    bz = bz + dble(bloub%pz)
 
     write(outu, iostat=errcode) bloub     ! no error control ?
     if (0 .ne. errcode) then
       STOP " : WRITE ERROR TO " // trim(outfile)
     endif
+    compteur = compteur + 1
 
   enddo
 
@@ -66,19 +80,23 @@ program movebloubs
     bloub%nick = 'newbie  '
     bloub%alive = .TRUE.
     call random_pv(bloub)
-    bloub%radius = 0.042
+    bloub%radius = 0.045
     bloub%seq    = 0
-    ! 
+
-    ! where is the bug ?
-    ! 
     call display_bloub (bloub, "new bloub")
     write(outu) bloub     ! no error control ?
   endif
 
-  ! ther was some strange bias in this data
-  ! may be a random not symetric around 0.0 ?
-  write (0, '(A,3(F11.3,3X))') "barycentre : ", bx, by, bz
-
   close(inu)    ;    close(outu)
 
+  if (killed .GT. 0) then
+    write (0, '(I5, A)') killed, " bloubs killed"
+  endif
+
+  bx = bx / dble(compteur)
+  by = by / dble(compteur)
+  bz = bz / dble(compteur)
+  write (0, '(A,3(F12.6,3X))') "barycentre : ", bx, by, bz
+
+
 end program

BloubWorld/povstuff.f90

@@ -20,6 +20,8 @@ module povstuff
 
   end subroutine
 
+  ! ----------------------------------------------------------------
+
   ! ----------------------------------------------------------------
   ! we need some primitives for the gestion of colors.
   ! may be a small database indexed by name ?

BloubWorld/runme.sh

@@ -11,6 +11,8 @@ POVOPT="+Q9 +a -v -d -W920 -H600"
 DDIR="frames"
 LOGERR="log.error"
 
+NBIMG=4000
+
 make all
 err=$?
 if [ $err -ne 0 ] ; then
@@ -18,13 +20,15 @@ if [ $err -ne 0 ] ; then
 	exit 1
 fi
 
+printf "\n#declare NbImg = %d;\n" $NBIMG > nbimg.inc
+
 #
 #    first, we have to make a seminal buch of bloubs
 #    --> this function need to be paraletrizable
 #
-./genbloubs in.blbs  100000
+./genbloubs in.blbs  9000 
 
-for idx in $(seq 0 800)
+for idx in $(seq 0 $NBIMG)
 do
 
 	echo "======== run passe $idx ========="
@@ -40,14 +44,14 @@ do
 	fi
 
 	td=$(date +'%F %R:%S')
-	txt=$(printf "%9d %5d   %s" $$ $idx "${td}")
+	txt=$(printf "%5d   %s" $idx "${td}")
 	PNG=$(printf "%s/%05d.png" ${DDIR} $idx)
-	echo "$txt"
+	echo "$txt" | tee -a log.txt
 
 	convert		${TMPPNG}			\
 			-font fixed			\
 			-pointsize 20			\
-			-fill orange			\
+			-fill Orange			\
 			-gravity south-east		\
 			-annotate +15+10 "$txt"		\
 			$PNG
@@ -62,8 +66,8 @@ done
 
 rm $LOGERR
 
-convert -delay 10 -resize 50% -colors 192	\
+# XXX convert -delay 10 -resize 50% -colors 192	\
-			$DDIR/????[0]*.png foo.gif
+# XXX			$DDIR/????[0]*.png foo.gif
 
 ./encode.sh
 

BloubWorld/scene.pov

@@ -5,26 +5,32 @@
 #version 3.7;
 
 global_settings {
-                ambient_light rgb <0.09, 0.02, 0.02>
+                ambient_light rgb <0.12, 0.01, 0.01>
                 assumed_gamma 1.0
                 }
 
 #include  "colors.inc"
 
+#include  "nbimg.inc"
+
+#declare NormClock = clock / NbImg;
+
+//  ----------------------------------------------------------
+
 #include  "bloubs.inc"
 
 object	{
 	Bloubs
 	texture {
-		pigment { color Gray50 } 
+		pigment { color Gray60 } 
-		finish { phong 0.58 metallic 0.45 }
+		finish { phong 0.58 specular 0.45 }
 		}
 	}
 
 plane	{
 	<0, 1, 0>, 0
 	texture {
-		pigment { color Gray10 } 
+		pigment { color Black } 
 		finish { phong 0.18 metallic 0.45 }
 		}
 	}
@@ -39,7 +45,7 @@ plane	{
 {
 union	{
 	cylinder { <0, 0, 0>, <0, BV,   0>, BR     }
-	cylinder { <0, 0, 0>, <0, 0.03, 0>, BR*4   }
+	cylinder { <0, 0, 0>, <0, 0.02, 0>, BR*7   }
 	}
 }
 
@@ -58,11 +64,13 @@ object { Les_Bornes }
 //  ----------------------------------------------------------
 
 light_source { <4, 12, -11> color Gray80 }
-// light_source { <4, 19,    9> color White }
+light_source { <7, 19,   9> color Gray60 }
+
+#declare HCAM = 5 + (7 * NormClock);
 
 camera  {
-	location   <7, 5, -16>
+	location   <6, HCAM, -16>
 	look_at    <0,    0,   0>
 	right           x*image_width/image_height
-	angle		54
+	angle		48
 	}