Questions tagged [3d]
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36 questions
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Which approach do I choose for representing objects and scenes in my 3D drawing library?
I'm creating my own drawing library in C++ to provide shared rendering code for my projects.
Since the library is designed to be used as a component of other projects, the renderer's representation of ...
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112
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How 3D assets are managed in real time configurators?
We see a lot of 3D configurator web applications on the web and even other type of configurators in embedded systems, such as LED Totem displays. From real time car configurators which every major car ...
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2
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101
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Pros and cons of position as properties of a spatial object?
Building games and simulation frameworks, it seems I am regularly hounded by this conundrum:
Let's say you have a 2D grid, and you have an crate in that grid. I can put the coordinates on the crate, ...
2
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1
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187
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How to create a T-shirt or book displacement map in practice?
So I learned that the feature I am interested in is called a "displacement map". This makes it so you can take a blank t-shirt (with all it's curves and subtle textures), and apply an image to it so ...
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1
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What could cause a bug to be "Person-Dependent"?
This is quite theoretical, and I hope it's the right SE site.
A couple of years ago I worked at a company using Maya 2014 (I think that was the version) with a couple of other 3D Artists.
Eventually ...
2
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1
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293
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Good way to do 3D vector math in language without operator overloading
I would like to make a simple web application (a static website where all computation happens on the client) that generates a mesh and displays it. I have a working prototype in Unity and now I'm ...
3
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1
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3k
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3D Rendering Engine architecture for multipass rendering
I'm implementing a simple 3D rendering engine for my game, I'm using DirectX11. I created a simple architecture for the rendering engine, with a central rendering system (RenderingSystem class, a ...
2
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2
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171
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Prefiltering techniques for 3d intersection testing
I'm making a plugin in maxscript to detect mesh self intersection.
At first I just looped all edges vs all triangles (excluding pairs with shared vertices) but that was horrificly slow (1h+ on 6k ...
3
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2
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4k
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Difference between Sfm and 3D reconstruction?
With respect to computer vision (CV), I always hear these three terms used almost interchangeably:
Structure from motion (Sfm)
3D reconstruction
Stereo vision/processing
However from what I've read, ...
3
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1
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317
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Building 3D from 2D
If you have an image sheet of facets and data to indicate which point on each facet should connect with other points on the other facets, is it possible to position those facets in 3D space based on ...
6
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2
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1k
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Data structure for determining intersection between line and polygon in 3D
I have a collection of non-self-overlapping simple polygons P. In actuality, they are 2D triangles in 3D-space.
I'm looking for a data structure which, given a line L, has a relatively fast lookup ...
2
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635
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Which 3D algorithms does Windows 10's "3D Builder" application use?
Windows 10 ships with "3D Builder", a Universal App that contains utility functions to prepare STL, OBJ, 3DS, and other files that represent geometries for 3D printing.
The utility looks like this:
...
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1
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465
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Question about the uses of matrices in games and 3D graphics [closed]
So I know that matrices are used extensively in the field of games and 3D graphics, for example, you need to know how to do matrix multiplication if you want to understand how scaling an object works, ...
1
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1
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687
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Algorithm for creating a looping 3D path that complete fills a cube [closed]
I'm creating a game world that consists of a 16 x 16 x 16 rubix cube (pictured), where the individual cubes are floating in space. The cubes continuously move along a single set path that links up ...
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2
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3D array updating in C# [closed]
I'm curious because I have read that once an array is declared it can not be changed. Maybe if I lay out my thoughts.
Say, I have a cube with dimensions 5x5x5 and I have a viewport that can rotate ...