In geometry a vertex is a point defining the corners of polygons or intersections of lines. A triangle for example is defined by 3 vertices with lines between them. In 3D-graphical APIs like OpenGL and Direct3D a vertex is a data structure containing information about the positions, normals, ...

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226 views

Vertex ordering with THREEjs's exporter

I'm using THREEjs's exporter to export a 2D polygon plane. The resulting JSON gives me the vertices. I'm trying to properly order these vertices as to make the actual polygon shape, without luck. ...
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437 views

How to update “dynamicVertexBuffer” correctly with “setdata” on XNA?

I developed a small 3d games xna and uses a "DynamicVertexBuffer" and "DynamicIndexBuffer" to store and draw my vertices. Everything works fine, but my problem is the "Update" function where I update ...
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Weird warping with per-vertex normals

I've had this little problem for a while now, where for some reason my calculations for per-vertex normals results in a weird distortion or warping, skewing my lighting, shading, and reflection ...
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245 views

Vertex Normals, Loading Mesh Data

My test FBX mesh is a cube. From what I surmise, it seems that the cube is on the extreme end of this issue, but I believe that the same issue would be able to occur in any mesh: Each vertex has 3 ...
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Detecting the two Vector3 that determine the bottom-edge of the side of a box-collider that had collision (with C#)

So, I understand that plenty of questions have been posted on how to detect which side of a Box Collider had collision. However, what I am trying to achieve is a little different. I want to find out, ...
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229 views

Vertex shader to Pixel shader NVIDIA problem - restarting drivers

I have problem with my shader on NVIDIA cards. On AMD it's working right. Shader Builder exported CODE: //ROOT //PSParts //VSParts //Samplers sampler sLod23ColorGround : register(s0); sampler ...
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Specify Vertex Quality in OBJ File

I've got a program that prints OBJ files in the format # x y z r g b format opens with MeshLab only (http://meshlab.sourceforge.net/) v xVal yVal zVal rVal gVal bVal v xVal yVal zVal rVal gVal bVal ...
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Invalid operation (1282) in GLSL vertex shader

My GLSL vertex shader works fine, but you if put a for loop inside or rename the uniform xxx to something else, it says the follwoing: Exception in thread "main" org.lwjgl.opengl.OpenGLException: ...
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GLSL billboarding

I want to make billboarding using GLSL. For what I've got so far it works, but not exactly the way I want. My vertex shader looks like this: #version 120 uniform float partSize; varying vec2 ...
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What limits the number of vertices the GPU can process per clock cycle?

I am currently experimenting with OpenGL to make my own game. I wrote some test code to see what are the limits of my GPU. I own a Geforce 840m. This essentially consists of a draw command ...