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a running color mandelbrot

This commit is contained in:
tTh 2022-12-27 01:29:04 +01:00
parent 8ea11d110b
commit c6f6ed48a4
3 changed files with 26 additions and 29 deletions
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1
Fraktalism/.gitignore vendored
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@ -2,6 +2,7 @@
julia julia
pickover pickover
lorentz lorentz
mkmandel
voxelize voxelize
evolvopick evolvopick
henon henon

2
Fraktalism/Makefile
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@ -17,7 +17,7 @@ fraktals.o: fraktals.f90 Makefile
gfortran $(GFOPT) -c $< gfortran $(GFOPT) -c $<
OBJDEP = mods/points3d.o mods/xperiment.o fraktals.o mods/fractcolmap.o OBJDEP = mods/points3d.o mods/xperiment.o fraktals.o mods/fractcolmap.o
OBJS = $(OBJDEP) ../Modules/spitpgm.o OBJS = $(OBJDEP) ../Modules/pixrgb.o ../Modules/spitpgm.o
# --------------------------------------------- # ---------------------------------------------

52
Fraktalism/mkmandel.f90
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@ -3,15 +3,16 @@
!----------------------------------------------------- !-----------------------------------------------------
!----------------------------------------------------- !-----------------------------------------------------
subroutine plotsomething(pic, start, cz) subroutine plotsomething(pic, start)
! use cmplxmath ! use cmplxmath
! use imagetools ! use imagetools
use pixrgb
implicit none implicit none
integer, intent(inout), dimension (:,:) :: pic type(t_pixrgb), intent(inout), dimension (:,:) :: pic
complex, intent(in) :: start complex, intent(in) :: start
type (CenterMag), intent(in) :: cz ! type (CenterMag), intent(in) :: cz
integer :: ix, iy, width, height integer :: ix, iy, width, height
real :: fx, fy, mod2 real :: fx, fy, mod2
@ -25,7 +26,7 @@ subroutine plotsomething(pic, start, cz)
height = ubound(pic, 2) height = ubound(pic, 2)
print *, " pic size ", width, height print *, " pic size ", width, height
print *, " start ", start print *, " start ", start
call print_centermag(cz) ! call print_centermag(cz)
! initialise constants ! initialise constants
! !
@ -61,11 +62,11 @@ subroutine plotsomething(pic, start, cz)
enddo enddo
if (escape) then if (escape) then
pic(ix, iy) = mod(iter, 333) pic(ix, iy)%r = mod(iter, 255)
pic(ix, iy)%b = mod(iter*7, 255)
else else
! esoteric computation here pic(ix, iy)%g = mod(iter, 255)
! pic(ix, iy) = mod(8*floor(mod2*11.11), 24) pic(ix, iy)%b = mod(iter*11, 255)
pic(ix, iy) = mod(iter, 222)
endif endif
!------------------------------------- !-------------------------------------
end do ! fin boucle sur X end do ! fin boucle sur X
@ -79,51 +80,46 @@ end
! this is the main programm ! this is the main programm
! !
program mkmandel program mkmandel
use pixrgb
use imagetools
implicit none implicit none
interface interface
subroutine plotsomething (pic, start, cz) subroutine plotsomething (pic, start)
use imagetools use pixrgb
integer, intent(inout), dimension (:,:) :: pic type(t_pixrgb), intent(inout), dimension (:,:) :: pic
complex, intent(in) :: start complex, intent(in) :: start
type (CenterMag), intent(in) :: cz
end subroutine plotsomething end subroutine plotsomething
end interface end interface
integer, dimension(512, 512) :: picz type(t_pixrgb), allocatable :: pic(:,:)
type (CenterMag) :: cm
integer :: angle integer :: angle
real :: radangle, radius real :: radangle, radius
real :: stx, sty real :: stx, sty
character (len=80) :: filename character (len=80) :: filename
cm%cx = 0.0 ; cm%cy = 0.0 ; cm%mag = 3.0
picz = 0 ! clear screen
print *, "-------- making some mandelbrot -------" print *, "-------- making some mandelbrot -------"
do angle = 0, 1800 allocate(pic(512, 342))
do angle = 0, 600
call rgbpix_set_to_zero(pic)
radangle = float(angle) * 0.017453292522222 radangle = float(angle) * 0.017453292522222
radius = float(angle) / 2000.0 radius = float(angle) / 2000.0
write (filename, "(a, i5.5, a)") "img/", angle, ".pnm" write (filename, "(a, i5.5, a)") "frames/mandel/", angle, ".pnm"
! filename = trim(filename) ! filename = trim(filename)
print *, "#### passe ", angle, radangle, trim(filename) print *, "#### passe ", angle, radangle, trim(filename)
stx = radius * sin(radangle*4.0) stx = radius * sin(radangle*4.0)
sty = radius * cos(radangle*3.0) sty = radius * cos(radangle*3.0)
call plotsomething (picz, complex(stx, sty), cm) call plotsomething (pic, complex(stx, sty))
call spitaspnm (picz, trim(filename)) call rgbpix_spit_as_pnm_8 (pic, trim(filename))
print * print *
enddo enddo
print *, "[DONE]" print *, " [DONE]"
end end