Questions tagged [models]
A representation of an object in 3D space.
418
questions
4
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1
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What are good ways to make modular corridors and interiors of buildings?
I would like to make modular corridors and some other objects in my level, to make it easier to construct them.
Do I separate walls, floor, and ceiling or make a tube module?
How to avoid seams ...
- 41
2
votes
1
answer
116
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Where is the illusion of a moving camera perspective coming from in this rotatable cube model?
Just for fun, I had been attempting to build a model cube in vanilla JS that can be moved and/or rotated. What I was going for was the simplest possible representation (so, no adjusting for ...
- 123
3
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2
answers
584
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Should I model with quads or with n-gons?
Model 1 — all 4-sided polygons
Wireframe Gun Model 1
Model 2 — polygons have arbitrary number of sides/vertices
Wireframe Gun Model 2
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1
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1
answer
2k
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Is it legal to use the exact same proportions as Minecraft's Steve character model in software without permission?
I am developing a game (or a game engine) that includes a low-poly human-like character model that follows the same proportions as Minecraft's Steve character model. Specifically, the model consists ...
- 113
0
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0
answers
37
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Visualising quaternions for key frames in an editor
I'm working with 3D models from an existing game with its own proprietary file formats, however the way they work is pretty standard:
Skeleton is defined as a set of bones, each bone either has a ...
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0
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0
answers
207
views
Mixamo auto-rigger not working
An unknown error causes this specific character to not rig, anything that may be causing this?
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1
vote
2
answers
141
views
What dynamic range of numbers do games typically use?
Most of the numeric quantities used in games (aside from integers for counting or indexing objects) are single-precision floating point. This is IEEE format, which allows for numbers as big as 1e38 ...
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1
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0
answers
228
views
Unreal 5 and Maya 2020 not matching scale despite both defaulting to centimeters
Effectively 100 units in Maya set in centimeters = 1 unit in Unreal Engine set to centimeters
I've been in a school project last year and am about to embark on another on UE5, and I'd like to find out ...
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0
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1
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164
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Model is oriented correctly in the Unity asset browser but flips 180 degrees when added to the scene?
I have modeled two pinball flippers in Houdini. I exported them as OBJ files and imported them into Unity 2021.3. They look correct in the asset view:
They also look correct when I open them with the ...
- 375
0
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0
answers
43
views
Is there a performance difference between modeling a complete scene in Unity with assets vs importing a complete 3D scene from SketchUp?
I've worked with 3D modeling (architectural projects) using SketchUp for 4 years. I'm trying to import the models into Unity and then add the components I want (like colliders, scripts interacting ...
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0
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1
answer
76
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Characters not applying avatars correctly
I am trying to get different models to go through animation cycles in Unity. The first four models are from Mixamo. Does anyone know why my characters end up like this (lodged into the ground) when I ...
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1
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0
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123
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How can I make yarn visuals similar to those in "Kirby's Epic Yarn"?
I'd like to know how I can achieve the effect seen in Kirby's Epic Yarn:
All characters use "yarn" as outline which moves to simulate movement etc.
How can such an effect be achieved? Could ...
- 111
0
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0
answers
130
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Godot some faces of imported from Blender model are darker then other
I tried to export some scene from Blender to Godot as .fbx, .dae and .glb, but every time it ...
- 177
0
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1
answer
339
views
Level Creation - How to achieve seamless race tracks?
I'm aiming to make a racing game in Unity. Please take a look at the image provided below, and suggest me the best technique to achieve something like it. (Keeping the performance as optimized as ...
- 15
0
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2
answers
39
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Unity approaches for automatically setting pivots of each sub-gameobject at base center
I'm working with some free models online, which don't seem to have pivots properly set for any of its submodels.
Is there a universal pivot fixer or something
if not... The center seems correct for ...
- 284
0
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1
answer
306
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Unreal Engine - Materials Import as Gray
I imported the .fbx files from here: https://www.cgtrader.com/3d-models/industrial/other/big-warehouse-pack
into an Unreal Engine 4.27 project. All the meshes load in properly, but the materials are ...
0
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0
answers
121
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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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2
answers
143
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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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0
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0
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132
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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 ...
0
votes
1
answer
358
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 ...
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0
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1
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709
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 ...
- 21
0
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1
answer
206
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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 ...
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2
votes
1
answer
2k
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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, ...
- 19
0
votes
0
answers
57
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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 ...
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0
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1
answer
175
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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! :(
- 39
0
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1
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131
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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 ...
- 11
0
votes
1
answer
696
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 ...
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0
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1
answer
330
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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 ...
- 115
0
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0
answers
310
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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 ...
- 165
0
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1
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96
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:
...
- 241
2
votes
1
answer
119
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 ...
- 21
0
votes
1
answer
190
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 ...
- 3
1
vote
2
answers
179
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 ...
- 773
0
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1
answer
175
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
0
answers
67
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 ...
- 11
1
vote
1
answer
1k
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 ...
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0
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0
answers
214
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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 ...
- 25
3
votes
1
answer
252
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 ...
- 181
1
vote
1
answer
93
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. ...
- 125
4
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2
answers
381
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 ...
- 189
0
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1
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38
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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 ...
- 197
0
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0
answers
93
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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 ...
- 125
0
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0
answers
75
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 ...
- 321
1
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0
answers
51
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 ...
- 111
0
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1
answer
228
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 ...
- 101
0
votes
1
answer
51
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 ...
- 123
1
vote
1
answer
865
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 ...
- 211
1
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0
answers
534
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 ...
- 153
1
vote
1
answer
953
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
0
answers
34
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 ...
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