3D Animation Demo

3D Animation Demo

Source: 3d_animation_demo.f90

Animate a rotating 3D Lissajous curve. The same FuncAnimation plus save_animation pipeline writes both MP4 (raster backend rendered through ffmpeg) and a .txt ASCII frame stream replayable with fortplot_play_ascii.

fpm run --example --target 3d_animation_demo
fpm run --target fortplot_play_ascii -- output/example/fortran/3d_animation_demo/animation.txt --fps 24 --loop

Files

  • 3d_animation_demo.f90 - Source code
  • Generated media in output/example/fortran/3d_animation_demo/

Running

make example ARGS="3d_animation_demo"

Output

Animation

Text backend output 

=== Frame 1 ===

                             Rotating 3D Lissajous
Y
+--------------------------------------------------------------------------------+
| 0                                                                              |
|                                                                                |
|                                                                                |
|                                          #                                     |
|                                     #                                          |
|                                #            #                                  |
|                                          #--                                   |
|                            #            ---    #                               |
|                                        --#-                                    |
|                            # #-----   -  -                                     |
|                               --   ------        #                             |
|                                -#- --  --#-- #                                 |
|                            #     ---  --#  ---   #                             |
|                                   - ---      --                                |
|                                  - # --- #    --                               |
|                            #    -    - --      - #                             |
|                                -   #-    #      -.   .       0.0               |
|                                -    -    --    -                               |
|                            #  -     #     --   - #                             |
|                               -#   #       -# -                                |
|                            #  -    --     ----                                 |
|                               -     -     ---  # #                             |
|                                -   #-------                                    |
|                              #  -------          #                             |
|                                    #                                           |
|                                 #         .  #                                 |
|                                         #                                      |
|                                    #      .                                    |
|                                           .                                    |
|                                                                                |
+--------------------------------------------------------------------------------+
                                       X
=== Frame 2 ===

                             Rotating 3D Lissajous
Y
+--------------------------------------------------------------------------------+
| 0                                                                              |
|                                                                                |
|                                                                                |
|                                         #                                      |
|                                    #                                           |
|                                            #                                   |
|                                #        #--                                    |
|                           #            -- -   #                                |
|                                       --#--                                    |
|                                      --  -        #                            |
|                           #   #-----------                                     |
|                               ---  -    #--- #                                 |
|                                 -#-    - # ---    #                            |
|                           #      ----  -      --                               |
|                                  -  #-- #      -                               |
|                           #     -     --       -- #          0.0               |
|                                -    #-  #-      - .  .                         |
|                                -     -   -     -- #                            |
... (truncated)

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