Questions tagged [models]
A representation of an object in 3D space.
405
questions
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0answers
35 views
LibGDX getting model roll
I'm working on a 3d game in LibGDX, got help on here with my model rotation. Worked great. But now I'm dealing with the model's roll, and it's not behaving as expected. It's controlled by:
...
1
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2answers
73 views
How can we generate 3D architecture in a racing game's background procedurally with respect/similar to the real world?
In the last few days, I jumped into searching is there a conventional/convenient way to build 3D architecture quickly, most likely by some accessory software like CityEngine, BIGEMAP, or google maps' ...
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0answers
29 views
How to choose between 2D sprites versus 3D models for a 2D game? [duplicate]
I wanted to know how to decide between using 2D vs 3D models for games.
What are the advantages/disadvantages of using 3D models versus 2D sprites in 2D games?
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29 views
Why isn't the texture correctly loading onto sphere?
I am trying to make a moon object. I have a (mostly) spherical object model that I want to place the moon texture on top of. The moon texture is an equirectangular projection as seen below.
However, ...
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0answers
32 views
Check if a triangle is back-facing in a 3d model
I'm creating 3d models with an algorithm, but i have no idea how to make all triangles in the mesh face the right direction, so some faces are facing inside the model.
The list of vertices is sorted ...
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1answer
28 views
Part of model in Unity is inside out but not in Blender?
I've downloaded this asset and it looks perfectly fine in preview, and even in blender.
But when I import it in Unity, one of its shoulder is inside out, even after making all faces double sided.
I ...
0
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1answer
164 views
Why do Dynamic Bones disconnect natural flow if they have ANY child gameobjects?
I've been having an issue for months now where if I have a dynamic bone chain that splits off in any way (ie. any of the chain's bones have child gameobjects), then the flow of the dynamic bone chain ...
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0answers
12 views
Splitting textured model faces into different polygons
So I have a bunch of hat models that I wanted to incorporate into my game (custom engine, c++/opengl) and my problem with the models right now is that each hat has its own texture with different color ...
0
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1answer
44 views
Textures not working on glTF Embedded Models. Picture Explains The Issue. (GODOT ENGINE)
I wanted the tree to look a bit more stylized, or have a bit more to it than just flat planes. Yet when I tried to put this texture on it, it just looks completely wrong. Is this a model issue or a ...
2
votes
1answer
208 views
How do I add materials to a glTF model in Godot Engine?
I'm using glTF Embedded files because I was told they are the best files to use with Godot, so I got a pack of a bunch of really lovely trees and other things to use in my game. But when I import it, ...
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0answers
24 views
How to model the double jump in Super Mario using projectile motion
So the single jump in Super mario games follows a curved trajectory of the formula s = s0 + v0t + ½ at2. The double jump in mario consists of two different parabolas combined. I know that the max ...
0
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1answer
32 views
How to make one material on object with many parts inside?
I have a weapon witch have many parts, it also have many materials. Do I really need to make it like that?
It's like about 8 mats! :(
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1answer
33 views
When importing a character to Unity, textures and meshes don't appear
I'm relatively new to Unity, and I'm left with doing this as my last step towards my task - importing my animated character to a game engine and program the movements.
The problems that I have ...
0
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1answer
157 views
How to use assimp textures with openGL/getting a better understanding
I recently learned how to load a model to openGL using assimp, but I am having trouble figuring out how to do lighting calculations on this model. Previously with my own created objects I would set ...
0
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1answer
117 views
2D engine design/architecture: transformations
Hello! I'm working on this hobby little 2D engine in JavaScript because I want to learn how all this things are implemented and architectured in general. Internet is full of resources but most things ...
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0answers
47 views
How to achieve highly detailed textures on buildings/architecture?
I have a bit of experience when it comes to 3D modeling, but something I never really wrapped my head around is environment modeling. You know, you walk down a road and you see lots of buildings, they ...
0
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1answer
37 views
Broken model matrix builder
I'm trying to setup basic render pipeline in Vulkan and am currently setting up the perspective, view and model matrices.
The line that calculates the position in the vertex shader is this:
...
2
votes
1answer
51 views
How to replace texture maps on models in a packaged game?
I'm trying to do an experiment. I'd like to do some object masking to the assets inside of a game, so during run time, when you are playing, they're texture maps are replaced by the masks.
The masks ...
0
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1answer
57 views
How to calculate the transformation such that two points with different position, orientation and origins line up?
Let's say you have two different 3D Objects which both contain a node that is off center (not at the origin) and have an orientation. How do you calculate the transform for one of the object so that ...
1
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2answers
151 views
Add oceans to an earth model with only continents?
I have the following earth model, it only has continents:
I wanted to add water but as you can see, some of the continents are now hidden due to the water sphere being more round than continents:
I ...
0
votes
1answer
38 views
Why has my object detached itself from the parent?
I made an two objects in blender, animated them, and saved them.
Firstly, when I reloaded them, half of the animations I created had disappeared, which is annoying itself but the real annoyance is ...
1
vote
0answers
59 views
OpenGL streching up geometry
I'm developping my own game engine in C++/OpenGL 3 but I've got some troubles with my geometry. Indeed, when I render something everything is weirdly streched up :
By tweaking scale values we can see ...
1
vote
1answer
526 views
How can I cut a doorway through my wall at runtime?
I am working on a Unity project where I have 3 models: a stacked, rounded wall (think logs), a flat wall (think bricks), and a door.
The door has an animation to open / close itself, and when it's ...
0
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0answers
65 views
MonoGame - Model not rendering properly
I'm trying to render a model made in Blender. I export it to .fbx and import it in the content pipeline, load and draw it, but it displays like this:
And this is what it looks like in Blender:
Code ...
3
votes
1answer
121 views
OpenGL Fragment shader: not all fragments showing colors
I'm writing a simple 3D renderer and while the model loads fine, the colors are off. Quite a few fragments in the model show no color at all.
Here is the render:
The locations of the blacked out ...
1
vote
1answer
62 views
Unity - Blender models/animations showing gaps
As part of a college project, a member of my group has made some simple chests with an open animation. Importing these into Unity though, I instantly noticed there were gaps where the faces should be. ...
3
votes
2answers
319 views
How can you tell if what you're buying is legal?
In the past few days I've been browsing 3D asset marketplaces and repositories (I've been doing it for ages, but a lot recently). Many assets are paid for, others are free. In the past few days I've ...
0
votes
1answer
17 views
Trying to add my model's animation to the animator in Unity but it doesn't work?
I made an animation for a model in blender, then saved and imported it into Unity. In the preview, I can see the animation playing, but when I try to click on 'loop time' or to drag it over to the ...
0
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0answers
45 views
Unity - character model not blinking
I'm a bit confused as to what's going on, but I've just noticed that my imported character model never blinks during his animations. I currently have 3 animations - an idle, walk and jump. Every ...
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0answers
32 views
Import multiple models in runtime into Unity3d scene and make an animation sequence out of it
So, I have multiple models of ply file formats on my phone. When my scene is running, I want to let users import multiple models into Resource folder and create an ...
1
vote
0answers
30 views
How to load models with possibility to change textures in Three.js
I'm working on a game in Three.js where I have a few variations of the same model in blender.
What I want to achieve is that I'll load the model once with all the material settings, but then I'll ...
0
votes
1answer
147 views
How are real world car characteristics translated to in-game?
I am just entering the world of game development, starting with the racing genre of games.
Let me clarify that this question is not about car modelling or external detailing; it is about the way a ...
0
votes
1answer
35 views
Player object's model starts to shake after some time
I created a default scene in a new project and imported a model from Unity's asset store and then get this strange behavior of the model starting to shake for no reason after some time after starting ...
1
vote
1answer
390 views
Why does the head of my ragdoll act like its about to fly off its shoulders?
The problem can be seen here: https://gfycat.com/LimpingMerryGermanshorthairedpointer
Ive created my ragdolls by using the Unity ragdoll creator tool.
To begin with, all the limbs of my ragdoll ...
1
vote
0answers
270 views
How can I blend meshes together where they intersect?
In a lot of my scenes I have things like this:
and this:
All the places I've circled are places where a prefab overlaps with another one or with the terrain.
Is there any way to make those lines ...
0
votes
1answer
560 views
How can I reorder the order in which the vertices are in an .obj file?
Blender saves the files with the structure of
All the vertices
All the normals
All the UV
The game to which I want to import the model, only accepts the following order in structure
1 vertex
1 ...
1
vote
0answers
28 views
Built-in Terrain analogs search: is it worth to use imported 3d-model?
I think 3d-model is better than the built-in terrain-component in Unity when it comes to optimization. But when it comes to texturing terrain made in 3rd party 3d-modeller, how to apply resulting ...
0
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2answers
134 views
Adding large 3d models into Unity
I have a 3d model of a restraunt with several characters in it probably over a hundred objects. Whenever I try to import it into Unity Unity just loads forever until I force close it. How do you ...
-3
votes
1answer
2k views
Can I use Adobe Fuse CC models in my commercial game?
I'm wondering if it's allowed to use Adobe Fuse CC models and textures in a commercial game?
I use this software to get good shapes of character and then use Blender to modify the body or renew ...
2
votes
1answer
987 views
Should LOD models be used in mobile games?
LOD models are widely used in PC and console games, to optimize performance by reducing the vertex count and texture size for distant objects. However, I'm having a harder time finding out if they are ...
0
votes
1answer
83 views
How to store 3d transformation in a game?
I am curious what is the best strategy to save 3d transformation of a model.
Here are the few choices I think about:
4x4 matrix
4x3 matrix(skip the bottom row of a 4*4 matrix)
Dual quaternions with ...
2
votes
1answer
135 views
What is better: One texture per model or assigning multiple models to one single huge texture?
If I'm making a low-poly car pack of multiple cars for mobile platforms, should I:
Make a large texture like of 2048x2048 and unwrap all the models to it
Make separate, smaller (256x256) textures for ...
0
votes
1answer
105 views
Why is there no standard 3d file format that saves models as (collections of) primitives?
I have been looking around for a file format that saves models as a collection of primitives (Boxes, Spheres, Cones, Cylinders, etc.). After some research, I came to the conclusion that pretty much ...
0
votes
1answer
126 views
How can I make the terrain infinte?
I am making a game in Unity 5 in C# and I need to make the terrain infinite. I have tried to make it infinite but it just keeps spawning the terrain too much times and then the game crashes. Does ...
0
votes
1answer
725 views
Exporting a simple mesh from Blender for reading in Assimp
I'm trying to create some simple assets for using in my rendering engine. What I'm trying to do is to generate simple low poly models and then importing them into my application using Assimp. I can ...
0
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0answers
24 views
Unity / How can i prevent my model from blinking when it doesnt have normals?
Somehow the light which is shining on a moving model is making it "blink" (its like getting very dark and then very lit again.
The model has no normals. (unity import settings: normals: none)
Is ...
0
votes
1answer
116 views
Model texture flipped?
Im making a custom Wavefront .obj loader and the images loads but the texture is flipped. What is the problem? here is code and a image.
...
2
votes
1answer
99 views
Licensing classic (vintage) car models for game
I know that I cannot use real car models in a game without permission. However, I am interested in a classic (vintage) cars from era before 1950. Some of the companies no longer exist, or were bought ...
0
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1answer
3k views
How can I apply a mesh collider in Unity to an entire imported model rather than a single piece?
I have a series of models from Blender I'm importing to Unity as .blend files and I need mesh colliders applied to each one.
What I'm finding is that with any model that is constructed of multiple ...
2
votes
1answer
353 views
How do I shade / model low poly smooth surfaces that come to sharp edges?
Consider this model of a tank turret:
The following model has smooth, round surfaces that meet at sharp corners. This is achieved with a high number of subdivisions and marking certain edges as sharp ...
