Questions tagged [models]

A representation of an object in 3D space.

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1answer
429 views

Why do XNA/Monogame models create new BasicEffect instances?

My question is fairly straightforward, I think. Using Monogame, when I load a model using contentManager.Load<Model>("Model"), the model's mesh has a ...
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2answers
581 views

Rendering model with multiple tiling textures

See edit: How would I go about rendering a model with multiple tiling textures? I have a few ideas, but all of them have drawbacks, here are a few (by the way this is for an opengl game): -Use a ...
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1answer
674 views

why one model can have different vertices and normal size?

I am using TinyObj to load models. I found many obj files have different vertices and normal size, how could it happen? I thought in the obj file one normal should be correspond to one vertex. For ...
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3answers
823 views

What models am I allowed use when selling my game?

I have purchased models through Daz3D, and I have downloaded a lot, for free. The 3D models were downloaded as .MMD or .FBX. ...
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1answer
266 views

How to add a JSON object / model into your whitestorm world / scene?

I am loading the object from my json file. ...
0
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1answer
621 views

How to use 3D models in video games? (Copyright related)

There are many gray areas in using 3D models online that may be free, creative commons with specific terms, or public domain. I notice many 3D models being sold by artists that are exact replicas of ...
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3answers
427 views

What format is this 3D model in or how can I change my rendering code to accept obj files?

I have a file in my project that defines 2 numbers and 4 arrays: ...
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1answer
549 views

Determine “bounding box size” (not scale) of model in MonoGame

I'm working on integrating some the 3D models I import into my physics system by trying to take their "size" and use that as the side for objects within my physics system. When I say size, I'm ...
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2answers
827 views

How to prevent Unity from triangulating faces of imported models?

I have an object that will be rendered with a wireframe shader. This means that line between vertices in a model would be drawn. The problem is that Unity automatically triangulates all n-gons in my ...
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1answer
506 views

How to rotate to look at target

I have found other questions like this, but none seem to quite cover the situation I have. I am using DirectX 11 I have an object that has: Position (vector) Rotation (quaternion) View angle (pitch,...
4
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2answers
1k views

How to join two cubes?

If I want to make a character (in Blender) made of cubes, to export it to unity later, should I leave these cubes and all the other body parts as separate objects, or join them all into one mesh? And,...
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1answer
1k views

Texture Tiling and Texture Coordinates in Unreal Engine

I've just started to learn how to develop games and everything is new for me now. I don't know where to start and I decided to start with Textures and there is something it is difficult to understand ...
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1answer
752 views

How to merge fiber subtools in Zbrush

I just started learning Zbrush. While using Fibermesh, I notice that the "fiber" subtools are different from the normal ones. For example, they can be exported as curves, and BPR renders them ...
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2answers
178 views

Bounding box messed up for .fbx models

I am trying to make bounding boxes for my models. My code works fine if the model is imported as a COLLADA (.dae) file. When I try to import a model that has .fbx extension, my bounding box messes up. ...
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2answers
541 views

Make a bullet shape around model in libgdx

How do I make a btBoxShape around a Model or ModelInstance in Libgdx? This is my code: ...
4
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1answer
261 views

Make models not see through

All my models are see through and I can't figure out why. For example: Here's what it looks like when you are not looking through them: And when I look through one of them: Why can I see the black ...
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2answers
37 views

Imported model from Blender stops updating after applying scripts

I am new to Unity3D and I am trying to import a model from Blender. I save the .blend file inside the assets folder and everything works well. I drag and drop my model and apply textures, colliders ...
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1answer
42 views

A perfect information game with several millions of unique states [closed]

I want to model learning by having computer players compete against each other. Win/lose ratio will be tracked for each position for each player and used to search an optimal move. The depth of search ...
1
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1answer
175 views

Faces on 3D model not rendering in the correct

I seem to be having trouble with rendering models in monogame. I'm trying to draw several cubes, in a minecraft style world. It's a simple .obj file, nothing special. But... for whatever reason, both ...
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0answers
30 views

In Unity3D, when building to web, model gets distorted

As the title says, when I build for web, the character model gets distorted, but while in the editor, it's completely fine. Here are the images: Before, in play mode: After, in the web build: As ...
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1answer
1k views

Animation inside a .obj file?

Ok, so yesterday I understood that "rigging (bone and joints)" are things that are use inside a 3D animation software like maya. By that I mean that those bones and joints are not inside the .obj file ...
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0answers
577 views

How to setup Steam VR Controller models and behavior in Unreal Engine?

I want to preface this question by stating I am somewhat new to Unreal Engine. I googled for a solution to this, but no avail. So I am setting up a bit of a sand box project in Unreal Engine to get ...
0
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1answer
1k views

Problem with a TinyOBJLoader Renderer

I was working on implementing a renderer for SYOYO's tiny obj loader and when it came to testing time, it failed to render. Here is an image of the result: I believe that i have made the error with ...
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0answers
76 views

Problems with imported model animation from Blender to Unity

I've downloaded a free sculpted arm and created my own rig and animation for it in Blender. So here is how it looks like in Blender : And the model itself looks fine in Unity, but as soon as the ...
2
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1answer
154 views

Upgrading Unity from 5.1 to 5.3.4 has broken game, specifically models made in Blender

I recently decided to upgrade Unity after putting it off for some time as I have a rather sizable project started in 5.1. I knew there would be some hurdles, however, I have had very little luck in ...
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1answer
674 views

Game asset “objects” consisting of several meshes vs continuous mesh

When building game objects in a 3D modeler like Blender I'm finding it's easier to get greater detail and still have fewer vertices if I separate certain elements. For example, I need to make cuts ...
3
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1answer
527 views

Applying different materials to an object

I'm currently implementing an Object Loader for the Wavefront File Format (*.obj). When exporting a model (with associated materials) from blender, a material for a ...
3
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1answer
354 views

Draw wireframe models for Gear VR app in Unity

I want to create a 3D Android app for Gear VR that does/lets me do the following: Read an input file with a bunch of coordinates of points (including information about how they should be connected) ...
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1answer
139 views

Calculating a matrix to have the model follow terrain

So I've been messing around with 3D graphics in Java (using lwjgl), and I've hit a bit of a roadblock. I have a heightmap and a cube, and I want to find a way to have the cube rotate to follow the ...
3
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1answer
48 views

When to use multiple parts for a mesh, and when to build detail in?

I am always running into the decision whether or not to make a mesh one connected mesh or to add small details as just separate parts to the model. Is there a best practices for this? Does it matter ...
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1answer
201 views

What technique should I use to implement the following type of “diggable” terrain?

I'm trying to replicate a certain game mechanic from the game Diggles. This game takes place in a vertical cross-section of the earth and allows the player to dig tunnels and caves into the ...
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2answers
123 views

Build a vbo once every second

I have a VBO storing some data in my game. The thing is, the data can change at a rate of about a second. The data is not fixed size, meaning that some objects will sometimes be visible, sometimes ...
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2answers
101 views

Roofs not appearing in Unity

My buildings are fine until I import them to Unity. None of the formats I've come across( FBX, DAE, 3DS Max, Blender Files, any of the Autocad formats, OBJ, PRJ, WRL etc.), have roofs when importing ...
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1answer
83 views

How to handle gun position while running and aiming in an FPS

In an FPS, when a character runs, from the view of another character, the gun moves, and similarly when the character aims down sight. Are the views from the third person and from the first person ...
3
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1answer
2k views

How to make (or where to get) a half-sphere mesh that textures properly?

I'm making a game in Unity that involves lots of spheres. Said spheres will have lighting applied to them, but will also be viewed from only one camera angle. Right now, the full spheres look ...
4
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1answer
71 views

Lazy way to figure out the two sides of a border?

We have a 3d model. There is a simple path on that model's surface graph G of the form: ...
1
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1answer
105 views

Terminology for the way Transformation Matrix Data is treated

I recently asked a question at math stack exchange and realize a similar questions is more suited for this forum, but the original is here: https://math.stackexchange.com/questions/1526601/...
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1answer
112 views

Unity: Model Construction on the fly

So, forgive me if some of the terminology is wrong, I am just getting started with Unity again and I can't remember the proper names. I'm also on my phone, so I didn't have unity in front of me when I ...
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2answers
1k views

High poly vs Low Poly when creating model [closed]

I am new in game development, but I have some knowledge in Maya and 3ds Max, I want to create pirate ship for game. So I spoke with many 3d artists and there are different opinions about low polygons ...
2
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1answer
99 views

Spriter model not touching ground in?

I was attempting to make a game in Construct 2 by using my Spriter Models plugin. However, when I imported the model, rescaled it & changed a few things, I got this: As seen in the picture, the ...
1
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1answer
5k views

Mixamo Models not Importing Correctly in Unity

Mixamo (now Adobe Mixamo) allows us to choose character and then animations from its website from free samples. I have done one simple animation and added the model to Unity. The animation works fine ...
5
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1answer
523 views

Can a sprite be rendered with thickness in Unreal Engine?

Is there a convenient way to have a 2D pixel art image with clip transparency (not partial transparency) rendered with thickness in Unreal Engine? Paper2D does exactly what I want, except it's a flat ...
1
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1answer
40 views

Add UVs back into a model

I built a 3D model in Autodesk 123d design, then exported it as an stl. When I convert it into an obj, however, there were no UVs in it. Is there a way I can add the UVs back into the model using a ...
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0answers
327 views

Skeletal animation 3d models [closed]

I'm building a skeletal animation system. My goal is to make it as efficient as I can. Is there a place where I can download some 3d models (preferably from real games) So I could see if my system ...
1
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1answer
893 views

Assimp, Blender and model rotating

There is something I can't figure out. I have two models - grass.blend and tower.blend. grass.blend: tower.blend: Note X, Y and Z axises. The problem is that when I load these models using Assimp ...
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1answer
152 views

deformable and variable text on a mesh in unity

So I am working on a sports game and I want the jerseys to be customizables with names and numbers. I have the character models as a single mesh however I can't place a text on the back of the jersey ...
0
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1answer
200 views

OpenGL, Blender and model optimization

I'm learning OpenGL and there is something I don't understand regarding model loading. Lets say I found a free .blend model of a tree. The problem is - currently in my program all models have only ...
0
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1answer
468 views

OpenGL One Color Per VBO

Recently I have been working with OpenGL and have decided to use colors instead of textures. However, since the project I am working on is going to have a low-poly look, I want each color to stand out,...
0
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0answers
87 views

Can materials be melted using code?

Say this ball for example : These three models have been created, to then use a simple morph transition to make the ball switch from 0 to 1 then to 2, and make it look like it's melting. But is it ...
4
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1answer
6k views

How can I calculate the bounding box of a 3D model?

I am making a game in OpenGL and Blender and trying to use JBullet as the collision manager. I am using BoxShapes for collisions, which requires a ...