A collection of vertices, edges and faces that defines the shape of objects

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Are there games rendering CAD solids rather than Mesh assets? [on hold]

I'm in the process of creating a game that is using engineering data which is CAD solids. I know designers in Maya 3ds etc sometimes create solids when it's not a character but the game engines I had ...
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27 views

Cube Normalization using multiple meshes in unity

I was trying to make a planetary LOD system in unity for my game. The system was supposed to consist of a subdivided cube, that's points would get normalized in order to make a sphere. The problem ...
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68 views

Generating 3D models / meshes

In LibGDX how can I construct a 3D terrain model that has Position Normal Color The model does not require a texture, it is colored on a per vertex basis. I've looked into LibGDX's ModelBuilder and ...
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26 views

Unity Generating PolygonCollider from mesh

I generated a procedural mesh using marching squares and the MeshFilter component (it's 2 dimensional). Now I got the point that I need do collision detection with the character (a sprite with a box ...
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1answer
27 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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34 views

LibGDX placing UV on a generated basic terrain mesh

I'm making my own terrain mesh via code (not really for efficacity but more for understanding meshes and 3d in general) and trying to make it tiled. Here's my code: private static Model makeTerrain(...
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17 views

jMonkeyEngine3 having difficulty loading textured mesh

I have a OBJ (with respective material files, MTL, etc.) model that I created myself and that I can load into Blender just fine. I am now trying to load that model into jME3 and am having difficulty ...
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2answers
74 views

How should I manage meshes for the streets of a 3D city map in Unity?

I was recreating a small city in Unity3D and was going to place streets and pathways according to a sketch. I'm building for Android and the city is quite small; I'm planning to have the entire road ...
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16 views

PolyMesh interpolated by Besier triangles is not smooth (?)

I implemented cubic Besier triangles patches (N-Patches] monstly following tutorial from gamasutra But polygon mesh (e.g. tetrahedron in following example) interpolated by that technique is not ...
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17 views

Generate Colliders By Traversing Game Objects [duplicate]

Assuming I have all of the blocks in this scene stored in a list. If I wanted to create a single polygon collider to cover the connected parts of the level, then which traversal algorithm should I be ...
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1answer
19 views

How do I combine mesh to all move together with an armature?

I can't figure out how to make all these parts move together. I joined them, however, they are still separate? How do I make my model move its parts together?
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24 views

Calculating the inverse mesh of a 2D mesh inside a bounding box

If I have a mesh (drawn in red below) How can I calculate the inverse of the mesh (drawn in red below), given that the mesh is always constrained by the same four vertices of the encompassing ...
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1answer
31 views

How do I make Text Mesh appear five seconds later and disappear from the scene in unity3d [duplicate]

I have a text mesh in my scene. I don't want the test to show right when the scene starts . I want to text to show up in the scene five or ten seconds later on the screen and than the text disappear ...
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1answer
58 views

In trying to get vertex positions on a Blender-generated mesh in Unity, they seem to be badly off?

I've imported a number of track-terrain pieces into a game I'm working on, and I would like to get the mesh vertex arrays so I can position objects at their exact end. However, when I try to collect ...
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0answers
24 views

Custom complex body shape with cut feature

I need to create sprites (or scene2d actors or whatever) with custom shape, preferably generated from a png image (marching squares?). I followed some Mesh tutorials but they all hardcode the ...
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181 views

Should I combine multiple tiles of terrain as one mesh in Unity3D?

I have a tiled terrain, generated by multiple noise algorithms. Currently, each tile is it's own GameObject, that has a handler for an OnMouseOver event. The area that is loaded at a time consists of ...
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121 views

How to create a “border” effect in Unity?

Okay let me start off by saying I have searched for several days on this topic, and it seems that either nobody posted anything about it, or it is on the internet, but too far buried under piles of ...
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1answer
112 views

Why does my mesh disappear from certain angles?

I'm trying to construct a hexagonal prism from vertices for my turn-based strategy game. This is my first time working with meshes and I have been following this tutorial. The problem I am having is ...
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2answers
232 views

Mesh generation for procedural city generator

I have a programming problem relating to mesh generation for city grids. I've recently created a city grid generator and I've come as far as being able to reliably generate the road mesh for the grid ...
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0answers
65 views

Access to mesh in Unreal Engine 4

Suppose we create simple Actor class and we give it some primitive shape - sphere, for example. I would like now to access the mesh data from the level of C++ class - all vertices, triangles etc - and ...
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1answer
117 views

Unity detecting edge of mesh or end of mesh

I'm trying to create procedurally generated tiles and I've reached a point where I need to figure out the boundaries of the mesh or the outer vertices of the mesh. RaycastHit hit; if (...
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1answer
41 views

Technique to find a mesh intersecting with a primitive solid without using colliders?

For what it's worth I'm using Unity3d, but I believe the problem is more general. There are hundreds if not thousands of meshes with hundreds of vertices each. There is one sphere that can be ...
5
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1answer
146 views

Unity - Small holes of light seems to go through my blender mesh

So, I am currently working on a low-poly terrain in Blender which will be flat-shaded in Unity. It all works great, however I am working on a cave for the terrain, and I seem to be getting these small ...
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0answers
52 views

How to color individual parts of curve in unity, real time?

So I have a mesh curve that I've imported from Blender. What I want to do is to place individual points on the curve (at fixed distance) and then based on a specific number, color them. Let's say for ...
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80 views

LibGDX Render Mesh

I have a Mesh mesh. I'd like to render mesh. However, its method for doing so is render(Shader shader, int primitiveType). I don't have a shader. To get a shader, the thing to do is new Shader(...
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84 views

How do I find the face of an object?

I'm working on a build mode but the thing of it is the player is able to deform meshes. Part of my build system includes having "snap" points thus I need to be able to find the face and recenter the ...
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2answers
95 views

Texture coordinates do not map correctly in Direct3D11 game engine

I beg your pardon if this question has been already answered elsewhere or if this is the wrong site, but I have a serious issue with rendering textures with Direct3D 11. Using Cinema 4D R17, I ...
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1answer
89 views

How are the positions of skinned mesh vertices with multiple weighted parents stored?

I'm trying to wrap my head around the basics of skinning and skeletal animation. I understand not every skeletal animation implementation works exactly the same, but I'm just trying to understand the ...
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0answers
37 views

Creation of block mesh for minecraft like chunk

Problem: I'm trying to build a naive mesh for a "chunk" of 2x2x2 blocks. But the "mesh" i create is 3x3x3 blocks (i don't understand why?) and the "extra cubes" are not like i intendet them to be (...
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0answers
211 views

Mesh vs LineRenderer Performance

I've created a script, which is drawing a line along a bezier curve, so that I can animate whatever I want with lines, mostly for UI purposes. For the moment I'm using a line renderer, which works, ...
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0answers
35 views

Obtaing triangles from a 2D polygon

I'm developing a game using Unreal Engine. I have to use Procedural Mesh Component. My problem is that I'm new in Game Development and, for this method, I only have an unordered array of vertices. ...
3
votes
0answers
87 views

How to handle clothing poke through for customizable characters?

I am in the process of developing a character customization system and I want to setup the base character model (the body) so that it works with which ever process I end up using. There are 2 aims ...
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1answer
74 views

Mesh Chunk Combining and Extruding

So I'm working on a proceduraly generated level, that is composed of multiple chunks, so you don't go over the maximum amount of verts allowed in Unity Meshes. Another function is the ability to ...
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1answer
71 views

How to give a mesh collider gravity 5.0

I was trying to make a simulation of an object that needs gravity to work, a hydraulic movement-assistance system for disabled people. All parts are aligned properly, all objects have mesh colliders ...
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32 views

How To Mesh Models Together

I have been recently using my game engine created on LWJGL 3 to create a voxel game. Just a brief overview on how the voxels work, there are a list of block types that hold a model and bounding info, ...
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1answer
210 views

What are these odd distortions on far away textures?

I'm currently writing a simple voxel engine just to get some practice in, and I'm coming across some odd issues. In order to generate terrain, I create a mesh and then assign UV coordinates on a ...
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48 views

Correcting Vectrosity wire frame line normals

Current Setup This is my current scene, you can see that as the sphere rotates it looks like at the edges(90 degrees) to our normal you see the lines fine but dead on the almost disappear. Grid ...
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2answers
384 views

Bullet holes on curved surfaces and corners

So right now I am making an FPS game where the gun creates bullet holes (plane with texture) on impact, but there is a problem with that, if I shoot at the edge the plane will stick out and also ...
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1answer
41 views

How to rotate a triangle to look at a point?

Lets say I have a triangle defined by 3 vertices and a center point, how do I rotate the triangle so its normal is looking at a specified point?
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1answer
132 views

Checking if point is inside the mesh via raycasting - where to cast rays?

I need to voxelize triangle meshes which involves testing if a point is located inside or outside the given mesh. I have just implemented a basic algo based on raycasting and checking the number of ...
3
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1answer
116 views

Why create meshes instead of using Planes?

I'm working on a top down 2D game in Unity and I want to create levels dynamically. All tutorials I find tend to talk about generating meshes so I've followed some great tutorials such as this one. ...
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108 views

Problem with loading vertices into Nvidia PhysX triangle mesh

I'm new to using PhysX but I have a little bit of experience using other physics engines. I want to test out the waters because I've been having some problems with Bullet. I believe the problem is ...
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2answers
81 views

How to address raycast failures due to tiny holes in a mesh?

Problem: I have a racing circuit that is made out of tiles, each of which is made out of 2 triangles. I need to know over which tile my craft is hovering on; but since there are tiny holes between ...
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1answer
457 views

Unity mesh collider detecting collision on object empty inside

I'm trying to get my first 3D game done with Unity. In this game the character will be flying through some rings. I made the ring asset with MagicaVoxel, exported it in .obj and reimported in Unity ...
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2answers
188 views

Unity3D mesh showing only black triangles

My mesh in the unity editor won't show the correct texture. Instead I get to see loads of black triangles. Anyone know what's wrong? thanks :)
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0answers
97 views

Filling Closed Shapes

Game Engine : Unity 5.1 Developing on Windows 7 Hello, I am using Vectrosity to draw some some shapes on screen run time. I also need to fill these shapes and none of them are really trivial shapes. ...
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0answers
97 views

How to set a specific face's texture color in Unity?

First off, let me describe my situation... So I'm building a voxel engine based on this tutorial. I'm using my own texture tilesheet. Most of the tiles have their own color except grass, leaves, and a ...
5
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1answer
365 views

How to generate tiled delaunay triangulation mesh (delaunay triangulation within a rectangle with triangles connecting opposing edges)?

I have a nice triangulation of a square mesh. The way I do this currently is generate square mesh (two triangles), from (0.,0.) to (1.,1.) (axis-aligned and normalized for simplicity) add point ...
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37 views

Deforming the mesh with skeleton in XNA

I just want to know which algorithm does the default Model Processor of XNA uses to deform meshes when the skeleton changes, like Linear Blend Skinning, etc. I tried hard to find out but I found that ...
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1answer
113 views

Mesh slicing/knifing with multiple planes

I have a ginormous mesh which I want to cut with multiple planes. For simplicity I want to know how to cut a mesh with single plane and repeat the logic. Consider a X-Y plane of coords (1,1,0,0) = (a,...