All Questions
80
questions
-3
votes
1
answer
268
views
blf is a module or a parameter?
blf is a module or a parameter?
I have read the documentation of blender, and I do not understand well what blf matters, or if it is only a parameter.
I ...
user58715
2
votes
1
answer
707
views
What is the substitute for gpu.export_shader in Blender 2.80?
I am trying to export GLSL from Blender materials in a scene. This call appears to have been removed from module "gpu" in Blender's Python API as of 2.80. Is there any substitute? How should I proceed?...
1
vote
1
answer
1k
views
For Blender, which is the better language to learn - OpenGl or OSL? And why?
I have only yesterday started to learn OSL. Since OSL tutorials are scarce in Youtube, I am beginning to wonder if OSL is becoming obsolete as I get the impression that it is overshadowed by OpenGl. I ...
- 997
1
vote
0
answers
228
views
bgl Hello Triangle Blank Screen
This code should draw the "Hello Triangle" (1) that everyone starts off with but it's not showing up. Since it's in Blender, I used (3) as a reference for when to draw. That's why the code itself ...
- 11
0
votes
0
answers
139
views
displaying model in opengl
I am trying to depict the story of the thirsty crow using crow, pebbles and waterpitcher with different water levels in it. I have created a objects using blender. When i export these models and use ...
2
votes
0
answers
363
views
blender 2.8 glRectf() not there
I'm trying to convert a 2.79 add-on to 2.80. I'm running into a problem with openGL function glRectf(). The code that's currently in the add-on draws the menu as follows
...
2
votes
0
answers
454
views
How to draw custom, complicated ui element
Is it possible to add custom drawn elements to UI? e.g. access OpenGL and draw shapes from code, create some "canvas" in UI and draw on it.
e.g. I'd like to create a complicated interface, something ...
- 511
1
vote
2
answers
1k
views
Vertex count increases drastically when exporting to .FBX
I am trying to export FBX file from Blender so I could use it in my OpenGL app, but when I export it, the vertex count increases from ~6k to ~25k.
I wouldn't really mind it, but I additionally have ...
- 123
4
votes
0
answers
609
views
How to use bgl?
I want to render simple lines on the 3D viewport through a modal operator but not using glBegin/End because those commands are deprecated in opengl 3.3 and will not be avaliable on 2.8 leaving me ...
1
vote
2
answers
821
views
How to align modal draw to the middle of the 3d viewport?
I have a question about the opengl modal draw :
How to align text from a modal draw to the middle of the viewport and and keep it automatic between Tool Shelf and Property Shelf, when i changing them?...
- 78
3
votes
0
answers
140
views
How do I use Bgl?
So my question is:
I understand nothing about openGl api, that's super confuse to me, Where do I start?
I did get that I need to append a callback to a draw handler and remove it to enable/disable my ...
2
votes
0
answers
406
views
How do I set output video file name using python script?
I'm using a python script to render my scene using the OpenGL render to get more speed, as the quality I'm getting is enough for my purposes.
I'm using this script:
...
- 121
0
votes
0
answers
118
views
How to highligth faces in object mode with python
I want to highlight certain faces via script while in object mode (I am running a modal operator to get the face index of the face under the cursor via raycast, now i want to highlight it).
Are there ...
- 352
1
vote
0
answers
84
views
How to handle drawing with multiple views
I want to draw in the screen space of each ImageEditor. The drawing itself works pretty good, each space has its own draw handle registerd with the correct "view_to_region" functions passed ...
- 41
0
votes
0
answers
484
views
Make Bgl 2d drawing coordinates stay relative to viewport
So i drew a 2d polygon and some blf text using a modal operator. But a problem arised. The 2d shape and text wouldnt stay relavant to the screen size of the 3d viewport. I would seem as if the vertex ...
- 1,520