Tagged Questions

0
votes
0answers
25 views

Vertex Welding with Texture Atlas

What options would there be for texture usage in a 3D world made of cubes to increase performance? I've been doing a texture atlas and storing faces individually, but I've also read in a couple ...
1
vote
1answer
50 views

MonoGame WP custom vertex decleration

How do I go about implementing and using a custom vertex deceleration in monogame for windows phone 8. I want to be able to store a position, a colour and a normal?
1
vote
2answers
119 views

One or multiple VertexBuffers

I'm currently working on a personal project where I'm trying to load the levels and all of the geometry from the game "Medal of Honor Allied Assault" into my own C# code-base based on SharpDX. I ...
1
vote
4answers
132 views

Selecting and moving vertices

How can I identify the correct vertecis and move them in XNA using VertexBuffer? Let's say I have a simple cuboid in my project and want to move one face of it. How would I loop thru vertices, get ...
1
vote
1answer
131 views

XNA shield effect with a Primative sphere problem

I'm having issue with a shield effect i'm trying to develop. I want to do a shield effect that surrounds part of a model like this: http://i.imgur.com/jPvrf.png I currently got this: ...
2
votes
1answer
146 views

DrawIndexedPrimitives overdraws data in previous buffer if called in loop

I doubled the question from stackoverflow here, and will delete the opposite of a question that gave me the answer. I have the Draw method in one of my renderers, that loops through the dictionary ...
2
votes
1answer
167 views

Overlapping vertices on sphere?

Iv started up doing some programming in XNA as Iv been doing C# for several years and would like to start do some 3D work with C# and XNA framework. Right now Im trying to build a sphere by code. It ...
4
votes
1answer
350 views

Per-vertex position/normal and per-index texture coordinate

In my game, I have a mesh with a vertex buffer and index buffer up and running. The vertex buffer stores a Vector3 for the position and a Vector2 for the UV coordinate for each vertex. The index ...
1
vote
2answers
491 views

XNA 4.0 Point Vertex Rendering

I have a buffer of about 134 million particles and a very powerful computer to render them smoothly, but I am getting an error when trying to render them as primitive lines. It says that I cannot ...
2
votes
1answer
218 views

Implementing IVertexType Interface

In XNA, I have created a new VertexType, called it VertexPositionTextureLight which inherts the IVertexType Interface, but apparently I need to implement the member of VertexDeclartion which I cleary ...
2
votes
1answer
211 views

Shader and Custom Vertex Format Errors

I am creating an editor of sorts that allow you to create 3D voxel models. I just got started and have ran into a few errors. Here is what it is producing: I think the problem has to do with the ...
0
votes
1answer
191 views

Creating a vertexbuffer to define vertices arranged in a grid with the view for easy editing later

I'm using the marching square algorithm (2D version of marching cubes) to generate vertices. I end up with vertices arranged in a grid. I want to enable destructible terrain, and the way i was ...
3
votes
1answer
369 views

Count number of Vertices in VertexBuffer in XNA 3.1

Where in XNA 4.0 one can go: myVertexBuffer.VertexCount; What is the best way to count the number of vertices in 3.1 for a dynamic buffer (i.e. where I do not know the number of elements that ...