![]() ![]() bpy.data: it gives you access to the resources in your scene (the objects, the materials, the meshes…) so you can load, add or delete them.the panel in your window) that is currently being accessed bpy.context: it contains getters and readers on read-only values that describe your current working context or even the area (i.e. ![]() The API in itself, bpy (for “Blender Python”), can be browsed on Blender’s specific docs it is subdivided in several submodules, the 3 most important / commonly used being: Moreover, the fact that it’s in Python, a language famous for being easy-to-learn and for which there is just an endless number of tutorials on the net, makes it neat for beginners to dive in (without the fear of old C/C++-based APIs that required, in my opinion, higher coding skills…).īy the way: this Python API is not just a shiny toy for wannabe-devs: it’s actually part of the Blender soft itself and it’s used internally by the program as a core tool, although the user inputs and the results are wrapped in a user-friendly UI □ There are, in truth, lots of use cases where it can be useful to automate a task: whether you want to quickly randomise your scene population algorithm, count objects and get custom stats on your scene or even create an entire world from scratch that can be reproduced accurately with seeds… having a way to integrate procedural generation or tailor-made tools directly into a CG context is just an amazing opportunity! I mean: why embed a creative tool with stuff for coders? You might be wondering why it’s interesting to have a Python API for a 3D soft. Ok, now: how does Blender allow us to “program a scene”? Via its Python API. Today, I want to show how this programmatic approach to Blender allows you to instantly create a basic solar system like this one:Īre you ready? Then let’s dive in! □ If you want to get the code directly,i t's available as a Github gist □ But Blender, just like its competitors, also has another side for developers: a way to program your 3D scenes. ![]() So, yes – at first, CGI software is primarily aimed at artists. This has introduced a profound change of mindframe in the world of 3D because it showed people that anyone could try and have a go at this form of art and that it could achieve pretty incredible results. ![]() … while it is completely free and open-source! There is the MeshFoot addon which will import a sequence of OBJ files, however it does not work with STL files, so you would have to modify the code to get it working with STL files.Did you know that you could program in Blender to automatically create 3D objects and animations?īlender is a well-known piece of software for 3D modeling, sculpting, texturing, animation and more! As the versions kept on coming out, this tool has slowly earned its place in the CGI industry, so much so that there are now a few long-feature films that are made entirely using Blender and that there are Youtube channels like Blender Guru entirely dedicated to learning the ins and outs of this soft… This assumes that the STL files have kept the vertices order the same, otherwise this method will not work and your imported animation will just jump all over the place. That way all your frames will be in the same object, and show up as keyframes in the animation editors. change the positions of each vertex in the main object to that in the frame imported.you just have to enable it in your user preferences. If the number of Vertices and Faces dont change, I would suggest a python script.įirst have a look at the AnimAll addon that comes with blender. I do not have a straight out easy solution, but i can think of a 2 ways of doing this.ĭo all the STL files have the same number of Vertices and faces? ![]()
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