poikilos / kivyglops Goto Github PK

Manages 3D meshes, their transforms, and camera movement and rotation all in discreet objects, with working Kivy subclasses

Home Page: http://www.expertmultimedia.com/usingpython/py3

License: MIT License

Python 87.11% GLSL 5.92% Batchfile 2.14% HTML 1.91% C++ 0.66% C# 0.60% Java 0.67% Shell 0.44% FreeBasic 0.55%

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mzakharocsc vertok uptotime cochan2628

kivyglops's Issues

Change dict and object to namedtuple where possible

See https://stackoverflow.com/questions/1336791/dictionary-vs-object-which-is-more-efficient-and-why:

dict is faster than object since object uses dict internally
namedtuple is as fast as tuple and is immutable

Physics is not working. The player sticks to a nearby object and can fly due to the interaction stopping physics.

Code checked

"constrained" doesn't occur when bug occurs
walk_info doesn't move the character significantly in one frame
- happens regardless of whether walkmesh_enable is True or False.

Commits related to the bug

A phrase in all caps indicates the status of the bug in the commit.
"NOT PRESENT" indicates that the specific issue is not present (Other issues may be present).

Tested using example-stadium.py

2018-01-12 (NOT PRESENT) 274b739
2018-01-13 (NOT PRESENT) 3a66898
- unrelated note: This is the last version tested with learners
- Textures are missing because /meshes/stadium,primitive.mtl uses absolute paths (due to a Blender export issue apparently). This is noted in the list of differences below.
- Only some data files and code unrelated to the test differ from the version tested with learners apparently. The git version differs as follows:
  - Added missing medseaport1b-crate.mtl, etc/unused/prealpha-opengl9-process_ai.png
  - Added testing.py
  - Added testingkivy3d.py
  - Added deploy*.bat
  - Added extraneous Cylinder_Cylinder.001.pyglop
  - Changed pyglops.py inconsequentially (There is an extra line of debug output if get_verbose_enable()).
  - Changed README.md, etc/deltakivyglops.py, etc/deprecated.md, several etc/stadium* files
  - Fixes meshes/stadium,primitive.mtl
2018-01-14 (UNKNOWN: can't walk) 9f43bc3 working on physics
- adds huge section starting with:

        #region choice-based movement and physics
        # --in that order, so you don't go through stuff
        got_frame_delay = 0.0  # do NOT move this to anywhere before hit
                               # detection is finished--otherwise
                               # invisible movement could occur (ones
                               # using got_frame_delay) before hit
                               # detection
        if self.last_update_s is not None:
            got_frame_delay = best_timer() - self.last_update_s
        self.last_update_s = best_timer()
        for index in range(len(self.glops)):
            motivated_glop = self.glops[index]
            theta = None
            lups = None

2018-01-14 (NOT CHECKED: has no code changes; remove media with license issues)
- cd452cc "updated README"
- 371b91b "made licensing compatible with new GitHub TOS"
2018-01-15 (PARTIALLY PRESENT? player is sometimes underground until rotated, maybe dependent on mouse position; jumps when moved and gets stuck in the air; monkey is hidden but not stuck to player apparently) 1b04090 "working on physics and PEP8"
2018-01-15 (UNKNOWN: invalid syntax kivyglops line 535) 8c8e881 "PEP8 changes"
2018-01-16 (PRESENT: can fly, but sometimes only after clicking (and hit ground sound tries to play); starts underground until moved sometimes; not stuck to monkey; monkey seems to be underground (or not visible)) 88efe79 "working on settings dict"
2018-01-17 (PRESENT: can fly but even gets stuck at a certain xz point after moving if in air--can only move on y; the chimp isn't visible) eff9592 "pep8 changes"
- to get it running, change continue to return None in calculate_hit_range
2018-01-17 (UNKNOWN: has indentation errors) 7da5335 "working on physics"
2018-01-17 (UNKNOWN: has indentation errors) 633b51c "working on physics"
2018-01-18 (PRESENT? I teleport to the chimp when I try to move, can't see up or down, can't see chimp, can only rotate at a constant speed) ad87de9 "refactoring"
2019-01-18 (PRESENT? I teleport to the chimp when I try to move) 9d3b64f "working on geometry"

Comparing

`1b04090` vs `ad87de9`

They are very divergent due to PEP8 changes.

Related issues

Change inaccurate use of frames_per_second as a divisor.

Calculate self.camera_walk_units_per_frame better.

Get the player's unit explicitly in set_player_fly.

Add pseudorandom terrain (don't use example code if license differs)

Examples

Fix use of v_offset before assigned (only occurs in master branch)

Get more blender metadata with game_exporter or io_mesh_json Add-On

https://github.com/timbeaudet/game_exporter
https://github.com/Cenvix/io_mesh_json
or for other projects

Decide between sied['selected_index'] and sied['inventory_index'] or fill both.

See if a better algorithm is in totologic article "Accurate point in triangle test"

See http://totologic.blogspot.fr/2014/01/accurate-point-in-triangle-test.html

`apply_vertex_offset` automatically calculates `hit_radius` based on the furthest point.

Make recalculating hit_radius optional in apply_vertex_offset.

Deal with clockwise triangles somehow in IsInTriangle_Barymetric derivatives

See all derived functions which contain IsInTriangle_Barymetric in the docstring (formerly in the comments).

Finish fault-tolerant OBJ loading

The door from the Medieval scene doesn't load completely--parts of it are missing whether the mode is strict or fault-tolerant.

Consider using pyode for physics (has ragdoll physics)

http://www.monsterden.net/software/ragdoll-pyode-tutorial
pyode has ragdoll physics, limited joints, and joint resistance.

Consider using and improving an existing 3D view

Possible options:

https://github.com/poikilos/garden-ddd-python3

The code for debug_dict is brittle. KeyError: 'View' occurs when TAU is not present.

Failing to import TAU in __init__.py somehow removes 'View' without first raising an exception.

[INFO   ] [Logger      ] Record log in /home/owner/.kivy/logs/kivy_21-02-03_101.txt
[INFO   ] [Kivy        ] v2.0.0
[INFO   ] [Kivy        ] Installed at "/home/owner/kivy_venv/lib64/python3.9/site-packages/kivy/__init__.py"
[INFO   ] [Python      ] v3.9.1 (default, Dec  8 2020, 00:00:00) 
[GCC 10.2.1 20201125 (Red Hat 10.2.1-9)]
[INFO   ] [Python      ] Interpreter at "/home/owner/kivy_venv/bin/python3"
[INFO   ] [Factory     ] 186 symbols loaded
[INFO   ] [Image       ] Providers: img_tex, img_dds, img_sdl2 (img_pil, img_ffpyplayer ignored)
[INFO   ] [Window      ] Provider: sdl2
[INFO   ] [GL          ] Using the "OpenGL" graphics system
[INFO   ] [GL          ] Backend used <sdl2>
[INFO   ] [GL          ] OpenGL version <b'3.0 Mesa 20.3.3'>
[INFO   ] [GL          ] OpenGL vendor <b'Intel Open Source Technology Center'>
[INFO   ] [GL          ] OpenGL renderer <b'Mesa DRI Intel(R) HD Graphics 4600 (HSW GT2)'>
[INFO   ] [GL          ] OpenGL parsed version: 3, 0
[INFO   ] [GL          ] Shading version <b'1.30'>
[INFO   ] [GL          ] Texture max size <16384>
[INFO   ] [GL          ] Texture max units <32>
[INFO   ] [Window      ] auto add sdl2 input provider
[INFO   ] [Window      ] virtual keyboard not allowed, single mode, not docked
[INFO   ] [Audio       ] Providers: audio_sdl2 (audio_ffpyplayer ignored)
[ kivyglops.py ] default _multicontext_enable: False
[ KivyGlopsWindow ] default shader has been set to 'shaders/kivyglops-singlecontext.glsl'
[INFO   ] [Shader      ] Read </home/owner/git/KivyGlops/shaders/kivyglops-singlecontext.glsl>
[INFO   ] [Text        ] Provider: sdl2
human-5ft4-7.5-poikilos.obj (609,0): (PARSER WARNING) vertex texcoord_number is None when adding to face
(this is the last texcoord_number warning that will be shown for this input file)

added face to 'player5ft4' face list key '8683f458-d466-4897-8309-962b4244fa93': [[0, None, 0], [1, None, 0], [2, None, 0], [3, None, 0]]
human-5ft4-7.5-poikilos.obj: object named player5ft4...312 face(s)
human-5ft4-7.5-poikilos.obj: object named Plane...598 face(s)
[ WObjFile ] 'human-5ft4-7.5-poikilos.obj' has a total of 933 vertices loaded as 933 vertices
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlops ] (load_obj) applying pivot point for player5ft4...
[ KivyGlops ] (load_obj) applying pivot point for Plane...
[ KivyGlops ] (load_obj) Loaded 'meshes/human-5ft4-7.5-poikilos.obj' in 0.3273097909986973 seconds.
[ KivyGlops ] WARNING in __init__: got 2 meshes from meshes/human-5ft4-7.5-poikilos.obj so picked player5ft4 for player_glop
    done calculate_hit_range
[INFO   ] [Base        ] Start application main loop
[INFO   ] [GL          ] NPOT texture support is available
added face to 'Walkmesh_Plane.001' face list key '1': [[0, 0, 0], [1, 1, 1], [2, 2, 2]]
stadium,primitive.obj: object named Walkmesh_Plane.001...2163 face(s)
stadium,primitive.obj: object named Chimp_Suzanne...884 face(s)
stadium,primitive.obj: object named Rock.024_Icosphere.024...80 face(s)
stadium,primitive.obj: object named Rock.023_Icosphere.023...80 face(s)
stadium,primitive.obj: object named Rock.022_Icosphere.022...80 face(s)
stadium,primitive.obj: object named Rock.021_Icosphere.021...80 face(s)
stadium,primitive.obj: object named Rock.020_Icosphere.020...80 face(s)
stadium,primitive.obj: object named Rock.019_Icosphere.019...80 face(s)
stadium,primitive.obj: object named Rock.018_Icosphere.018...80 face(s)
stadium,primitive.obj: object named Rock.017_Icosphere.017...80 face(s)
stadium,primitive.obj: object named Rock.016_Icosphere.016...80 face(s)
stadium,primitive.obj: object named Rock.015_Icosphere.015...80 face(s)
stadium,primitive.obj: object named Rock.014_Icosphere.014...80 face(s)
stadium,primitive.obj: object named Rock.013_Icosphere.013...80 face(s)
stadium,primitive.obj: object named Rock.012_Icosphere.012...80 face(s)
stadium,primitive.obj: object named Rock.011_Icosphere.011...80 face(s)
stadium,primitive.obj: object named Rock.010_Icosphere.010...80 face(s)
stadium,primitive.obj: object named Rock.009_Icosphere.009...80 face(s)
stadium,primitive.obj: object named Rock.008_Icosphere.008...80 face(s)
stadium,primitive.obj: object named Rock.007_Icosphere.007...80 face(s)
stadium,primitive.obj: object named Rock.006_Icosphere.006...80 face(s)
stadium,primitive.obj: object named Rock.005_Icosphere.005...80 face(s)
stadium,primitive.obj: object named Rock.004_Icosphere.004...80 face(s)
stadium,primitive.obj: object named Rock.003_Icosphere.003...80 face(s)
stadium,primitive.obj: object named Rock.002_Icosphere.002...80 face(s)
stadium,primitive.obj: object named Rock.001_Icosphere.001...80 face(s)
stadium,primitive.obj: object named Rock_Icosphere...80 face(s)
stadium,primitive.obj: object named Ground_Plane...4225 face(s)
stadium,primitive.obj (39913,0): (INPUT ERROR) bad polyline skipped (should have absolute counting number of existing vertex from 'v' command in file)
stadium,primitive.obj: object named BezierCurve...WARNING: got None for this_object.face_groups!
stadium,primitive.obj: object named Stands_Plane.003...4952 face(s)
[ WObjFile ] 'stadium,primitive.obj' has a total of 11305 vertices loaded as 11305 vertices
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
[ KivyGlop ] WARNING in calculate_hit_range: eye_height 1.7 is beyond phi_eye_height-92.7415805 so is being set to that value
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
[ KivyGlop ] WARNING in calculate_hit_range: eye_height 1.7 is beyond phi_eye_height-108.2261185 so is being set to that value
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
WARNING in append_wobject: ignoring wobject where face_groups is None (a default face group is made on load if did not exist).
[ KivyGlop ] (verbose message in _on_change_pivot) from (0.0, 0.0, 0.0)
    done calculate_hit_range
[ KivyGlops ] (load_obj) applying pivot point for Walkmesh_Plane.001...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-dirt,dry1.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Chimp_Suzanne...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-chimp.png'
[ KivyGlops ] (load_obj) applying pivot point for Rock.024_Icosphere.024...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[INFO   ] [GL          ] Unpack subimage support is available
[ KivyGlops ] (load_obj) applying pivot point for Rock.023_Icosphere.023...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.022_Icosphere.022...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.021_Icosphere.021...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.020_Icosphere.020...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.019_Icosphere.019...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.018_Icosphere.018...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.017_Icosphere.017...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.016_Icosphere.016...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.015_Icosphere.015...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.014_Icosphere.014...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.013_Icosphere.013...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.012_Icosphere.012...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.011_Icosphere.011...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.010_Icosphere.010...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.009_Icosphere.009...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.008_Icosphere.008...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.007_Icosphere.007...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.006_Icosphere.006...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.005_Icosphere.005...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.004_Icosphere.004...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.003_Icosphere.003...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.002_Icosphere.002...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock.001_Icosphere.001...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Rock_Icosphere...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) applying pivot point for Ground_Plane...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-dirt,dry1.jpg'
[ KivyGlops ] (load_obj) applying pivot point for ...
[ PyGlop ] WARNING in apply_vertex_offset:  self.vertices is None for None
[ KivyGlop ] WARNING: vertices is None in glop None
[ KivyGlops ] (load_obj) applying pivot point for Stands_Plane.003...
[ KivyGlop ] Loaded texture '/home/owner/git/KivyGlops/meshes/stadium,primitive-bricks,natural_gray.jpg'
[ KivyGlops ] (load_obj) Loaded 'meshes/stadium,primitive.obj' in 16.41733917297097 seconds.
[ example-stadium ] WARNING: not using walkmesh
Preparing item at index 5
Preparing item at index 6
Preparing item at index 7
Preparing item at index 8
Preparing item at index 9
Preparing item at index 10
Preparing item at index 11
Preparing item at index 12
Preparing item at index 13
Preparing item at index 14
Preparing item at index 15
Preparing item at index 16
Preparing item at index 17
Preparing item at index 18
Preparing item at index 19
Preparing item at index 20
Preparing item at index 21
Preparing item at index 22
Preparing item at index 23
Preparing item at index 24
Preparing item at index 25
Preparing item at index 26
Preparing item at index 27
Preparing item at index 28
Preparing item at index 29
    done calculate_hit_range
Found 1 chimp(s)
    done calculate_hit_range
[INFO   ] [Base        ] Leaving application in progress...
 Traceback (most recent call last):
   File "/home/owner/git/KivyGlops/example-stadium.py", line 145, in <module>
     KivyGlopsExampleApp().run()
   File "/home/owner/kivy_venv/lib64/python3.9/site-packages/kivy/app.py", line 950, in run
     runTouchApp()
   File "/home/owner/kivy_venv/lib64/python3.9/site-packages/kivy/base.py", line 582, in runTouchApp
     EventLoop.mainloop()
   File "/home/owner/kivy_venv/lib64/python3.9/site-packages/kivy/base.py", line 347, in mainloop
     self.idle()
   File "/home/owner/kivy_venv/lib64/python3.9/site-packages/kivy/base.py", line 387, in idle
     Clock.tick()
   File "/home/owner/kivy_venv/lib64/python3.9/site-packages/kivy/clock.py", line 733, in tick
     self.post_idle(ts, self.idle())
   File "/home/owner/kivy_venv/lib64/python3.9/site-packages/kivy/clock.py", line 776, in post_idle
     self._process_events()
   File "kivy/_clock.pyx", line 616, in kivy._clock.CyClockBase._process_events
   File "kivy/_clock.pyx", line 649, in kivy._clock.CyClockBase._process_events
   File "kivy/_clock.pyx", line 645, in kivy._clock.CyClockBase._process_events
   File "kivy/_clock.pyx", line 218, in kivy._clock.ClockEvent.tick
   File "/home/owner/git/KivyGlops/kivyglops/__init__.py", line 3815, in update_glsl
     debug_dict['View']['camera xyz: '] = \
 KeyError: 'View'

Simulate smoke using solid shapes.

Large-scale smoke

Use spheres of different sizes (splitting into more & shrinking?)
The smoke gets wider as it goes up.
Change the UV mapping gradually so it reaches a transparent part of the texture eventually--use a large texture that becomes transparent at the top.

Small-scale smoke

Realistic small scale smoke may be possible the same way as large-scale smoke (using a texture that is transparent at the top) with changes, possibly such as:

Use very long spheres that get warped along curves.
Make the entire texture slightly transparent.

Test comments in obj files.

Related 2021-06-23 change in stable:
- change "# " to '#' in wobjfile.py

Search for textures in the same directory as the model if the absolute path is wrong.

To reproduce the issue, set an absolute path in the mtl file pointing to something that doesn't exist, such as:

map_Kd /home/owner/GitHub/KivyGlops/etc/stadium,primitive-dirt,dry1.jpg

Implement x animation transcoder to b3d

requires #3

Merge improvements from pycodetool

Some of common.py aligns with https://github.com/poikilos/pycodetool/blob/master/pycodetool/parsing.py which was formerly named expertmm.py.

Rename Expertmm to Poikilos in tutorials to reflect the GitHub username change.

Do a word search in the doc* files. Convert any doc* files to odt if not yet converted.
See where in related commits if those files are mentioned in tutorials.
Change filenames of Resources (see gitignore)

Add this Python 3.8-like dist function.

def dist(posA, posB):
    '''
    Calculate the distance of any dimensionality as math.dist does since
    math.dist isn't available until Python 3.8 (not on Debian 10 Buster)
    '''
    aLen = 1
    bLen = 2
    origPosA = posA
    origPosB = posB
    try:
        aLen = len(posA)
    except TypeError:
        posA = [posA]
    try:
        bLen = len(posB)
    except TypeError:
        posB = [posB]
    if aLen != bLen:
        raise ValueError("The points must have the same number of"
                         " dimensions, but the points are: {} and {}"
                         "".format(origPosA, origPosB))
    for i in range(aLen):
        total += (posB[i] - posA[i]) ** 2
    return math.sqrt(total)

Make per-object variables (rather than uniform which is the same from glStart to glEnd or per-vertex which is too fine)

Is there a way to add a uniform (accessible to shader) other than canvas["something"]? I have to make it only for InstructionGroup or PushMatrix so it is specific to one Mesh (because I am working on a 3D viewport).
The reason why is clear here: https://github.com/expertmm/KivyGlops/blob/master/shaders/fresnel.glsl#L67
(There was no shorter or one-file example I could imagine)
related python code is here: https://github.com/expertmm/KivyGlops/blob/master/kivyglops.py#L678
KivyGlop is a subclass of widget but to get it working I had to set canvas to InstructionGroup() as advised on kivy IRC channel, so I can't set the uniform like canvas["texture0_enable"] anymore
(except for the parent canvas, but that is not helpful since I need the uniform to apply to only one Mesh)

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