38 questions
14
votes
3
answers
5k
views
Matrix calculations for gpu skinning
I'm trying to do skeletal animation in OpenGL using Assimp as my model import library.
What exactly do I need to the with the bones' offsetMatrix variable? What do I need to multiply it by?
- 3,415
5
votes
3
answers
7k
views
strncasecmp and strcasecmp has not been declared
I'm trying to compile Assimp with MinGW in Code::Blocks, but I get the following errors.
\assimp-3.3.1\assimp-3.3.1\code\StringComparison.h||In function 'int Assimp::ASSIMP_stricmp(const char*, const ...
- 809
3
votes
2
answers
2k
views
Skeletal animation bug with Assimp in DirectX 12
I am using Assimp to load an FBX model with animation (created in Blender) into my DirectX 12 game, but I'm experiencing a very frustrating bug with the animation rendered by the game application.
The ...
- 304
24
votes
1
answer
2k
views
Mirrored mesh and wrong UV map runtime export
EDIT: So after a brief contact with the Assimp dev, I was pointed towards the import process. As I took over the code from someone else, I did not think looking that part:
using (var importer = new ...
- 10.7k
12
votes
1
answer
9k
views
Assimp model loading library install/linking troubles
I'm trying to install Assimp to use in my projects, but I'm having some trouble. I'm currently using win 10 pro and visual studio 15 2017.
I have downloaded Assimp 4.0.1.zip, extracted it into a ...
- 307
6
votes
5
answers
18k
views
CMake error while configuring "install TARGETS given no RUNTIME DESTINATION for executable target "assimp_simpletexturedogl"."
I'm trying to use CMake to configure assimp's samples
but there are some error while configuring
I've tried lot's of method but no one works.
CMake Error at CMakeLists.txt:41 (INSTALL):
...
- 211
6
votes
1
answer
7k
views
How do I get models to animate using Assimp?
Currently I'm trying to make a game engine in C++ with OpenGL and want to get 3D animations to work. I have been advised to use Assimp and was able to find a tutorial to get static models to work, but ...
- 293
6
votes
2
answers
9k
views
How do you load Blender files using Assimp?
I tried to load Blender file using Assimp library on C++ using the following code, but it fails since it doesn't have any meshes at all. The blender file I am using is the default cube saved using ...
- 2,802
5
votes
3
answers
3k
views
What does mOffsetMatrix actually do in Assimp?
I am quite sure that mOffsetMatrix transforms vertex from mesh space to bone space, which is confirmed by this one
http://assimp.sourceforge.net/lib_html/structai_bone.html
But then I saw this, which ...
- 423
4
votes
1
answer
11k
views
assimp-vc140-mt.dll ASSIMP was not found
I have downloaded the Assimp project from http://assimp.sourceforge.net/main_downloads.html
Assimp release image
assimp zip image
And I've also downloaded the cmake x86 version from this link: ...
- 197
4
votes
2
answers
2k
views
Building android app on Qt using additional library (Assimp)
Hi I am trying to port an OpenGL desktop app to android. I have no knowledge of android development so am depending on Qt Creator to package the app. As part of the setup, I have invoked 'make-...
- 640
3
votes
1
answer
1k
views
Visual artifacts when loading OBJ model with Assimp
I am trying to integrate the Assimp loader to my framework. Everything is rendered fine, but in this spider model I'm rendering, its fangs are not being drawn as expected (see following picture).
...
- 653
3
votes
1
answer
1k
views
Assimp Skeletal Animation : Bones associated with a Vertex
I am trying to integrate the Assimp skeletal animation. Following this tutorial for reference.
The change I am trying is to use fixed function pipeline.
Problem: Position, Texture Coordinates and ...
- 653
2
votes
2
answers
5k
views
Error in building Assimp in Cmake
Hi I'm trying to build Assimp with Cmake but the following error message appears everytime I try to configure Assimp. The version of Cmake is 3.11.0 and assimp is 4.0.0.
Looking for DirectX...
...
- 508
2
votes
1
answer
882
views
Fastest way to deal with multiple textures in OpenGL?
For each type of texture (ambient, diffuse, specular, etc) assimp will return a list of textures. How do we deal with that many textures?
It seems that the number of texture binds for every model may ...
- 21
2
votes
1
answer
4k
views
can't use assimp library
I installed the assimp library using these commands:
sudo apt-get install libassimp-dev assimp-utils
sudo apt-get install libxmu-dev libxi-dev
I downloaded the c++ source code from the assimp website,...
- 321
2
votes
1
answer
12k
views
Assimp with cmake
I want to include assimp to my project using CMake. I have Ubuntu 14.04 LTE and QTCreator.
Project contain of main.cpp and linked libraries stored in libs directory.
Main CMakeLists.txt
...
- 365
2
votes
2
answers
2k
views
Assimp Faces all have indices (0,1,2)
I'm using Assimp to load in OBJ files to render in OpenGL using my own rendering pipeline.
But when I load in a file, every face has indices (0,1,2), rather than appropriate entries into the vertex ...
- 43
2
votes
1
answer
6k
views
Assimp faces indices
I have been using Assimp for a while and now I'm trying to load a .obj file. It loads perfectly, but I would like to manipulate the face data after loading it.
Basically I have this in the simple ...
- 21
2
votes
1
answer
2k
views
Building assimp 3.2 does not work anymore
I can't build assimp 3.2 anymore. Yesterday it worked but today it doesn't.
I am downloading assimp from here. Then I'm doing cmake CMakeLists.txt -G 'Unix Makefiles' and make as described in their ...
- 4,376
1
vote
1
answer
2k
views
(UE4 Assimp) Issues loading mtl texture at runtime
I'm using Assimp to import 3d Obj at runtime with Unreal Engine.
I try to import textures thanks to the mtl file, I can get the name texture file, but my problem is, how to use it to import the ...
- 11
1
vote
0
answers
2k
views
How to include Assimp with CMakeLists?
I'm unable to include the external library assimp into my project using CMakeLists.
I got it working by doing:
add_subdirectory(${CMAKE_SOURCE_DIR}/external/assimp-3.1.1-win-binaries)
...
- 2,041
1
vote
1
answer
2k
views
Assimp doens't return texture data
Im using assimp to load 3D models.
My models have embedded textures ("I guess"). But I have two problems:
I can't find a way to actually get the texture file path ...
The pcData doensn't seems to be ...
- 415
1
vote
2
answers
2k
views
OpenGL Texture Sampling not working
I'm using VC++10 + OpenGL + the Assimp Library to consume and then render some 3D models.
The code is rendering the positions correctly, but for some reason the textures are seriously bugged. My ...
- 145
1
vote
1
answer
933
views
LWJGL Assimp: Loading Textures
I'm using the LWJGL 3 version of assimp, and I've stumbled my way through loading a model. The issue I'm running into is loading actual pixel data for textures. What is the process of loading these ...
- 347
1
vote
1
answer
2k
views
assimp demo loading 3d model
I'm having my first try with assimp loading a 3D model. The example is given here from lighthouse3d link
It compiles without errors. However, I get a similar error to the error Jeffrey had discussed ...
- 2,079
0
votes
1
answer
4k
views
CMake ignoring compilation flags [duplicate]
I'm trying to compile assimp using MinGW.
I run the commands
cmake CMakeLists.txt -G "MinGW Makefiles" -Wno-error
cmake --build .
but when the project builds I still get an error and the ...
0
votes
1
answer
2k
views
How to build Assimp for Android? [closed]
I am trying to build a .so lib of the C++ lib Assimp, for Android.
The explanations on GitHub are very unclear and outdated.
Any idea about how to do that ? A detailed tutorial would be great :)
- 15.5k
0
votes
1
answer
647
views
is it possible to run assimp commandline tool with the php
I used following command to convert the 3d models with the assimp Assimp, and it is working fine on Windows:
assimp2json seaknight.obj seaknight.json
I need to know how can I run this command from ...
- 3,358
0
votes
1
answer
2k
views
My OpenGL program stops running when I use the Assimp importer.ReadFile
I'd like to ask a question about assimp. When I try to run my code the compiler and the linker give me no errors but it crashes when I use the ReadLine function, but if I comment the part in which I ...
- 9
0
votes
2
answers
3k
views
How to import assimp to my my Xcode project?
I have downloaded assimp source code. How to import assimp to Xcode project - ARToolKit5 downloaded from ARToolkit official website? I am trying to load external models - made by blender,maya,3dmax - ...
- 943
0
votes
1
answer
1k
views
Edge Collapse with assimp
I'm trying to implement the edge collapse in my game engine, there is a problem caused by Assimp. The indices that parsed from face.mNumIndices is always the increment order indexing.
When I check ...
- 4,321
0
votes
1
answer
2k
views
Can't export models with assimp by using exporter class
i am using assimp libary to load models to my ios app. but for some large model files loading times are too long for an mobil app.
considering the convert process time. i decided to convert my models ...
- 1,784
0
votes
1
answer
3k
views
Assimp not properly loading indices
I'm trying to load simple 3d model cube.3ds, but next error occurs: when I read indices to my vector, vector contains: [0, 1, 2, 3, ...]. It's not properly. I found almost the same topic: Assimp and ...
- 31
0
votes
3
answers
1k
views
cannot build assimp with minGw64
I used cmake and I was able to build a C::B project.
But Compiling the Assimp.cbp file raised a bunch of errors.
Is there someone experimented in compiling assimp with mingw64 under w10 for C::B to ...
user12274423
0
votes
1
answer
532
views
assimp import failing on Xcode
What I'm trying to do
... to import assimp, specifically:
#include <assimp/Importer.hpp>
#include <assimp/scene.h>
#include <assimp/postprocess.h>
and some other assimp headers.
...
- 1,686
0
votes
1
answer
1k
views
Cmake not generating assimp solutions properly [Windows 10]
Cmake 3.15 32-bit
Assimp 4.1.0
Hi there, I'm experiencing some difficulties with cmake and assimp. For the past few days I have been trying to generate an assimp workspace for CodeBlocks via cmake.
...
-1
votes
1
answer
5k
views
Dev IL linking and compiling error (0xc000007b) [closed]
I'm trying to make this project work Link to Lighthouse
First a bunch of info:
I'm using:
Windows 7 Pro 64-bit and Visual Studio 2013 Ultimate
(Project on default settings which I believe is 32-bit)
...
- 1,368