Tagged Questions

-1
votes
2answers
159 views

3D game demo in XNA [closed]

Does anyone know of a decent 3D game tutorial with source code? I'm really new with 3D development for XNA and have found that the best way to figure out how to code for something is to look at ...
-4
votes
1answer
211 views

Great tutorial for 3D XNA [closed]

I have finished learning 2D XNA and created a few simple games. I want to learn the stuff below. Please recommend tutorials, books etc. 3D programming with concepts. Game planning, Stages planning, ...
7
votes
1answer
296 views

How to make a 3d beam effect with XNA 4.0?

Do you know any demo or tutorial to learn to make a 3D Beam effect? I have learn to make a 2D laser by simply using a texture and moving it thru screen. But I am a little bit lost while trying to do ...
1
vote
2answers
247 views

XNA 4.0, Combining model draw calls

I have the following problem: The levels in my game are made up of a Large Quantity of small Models and because of that I am experiencing frame rate problems. I already did some research and came to ...
0
votes
1answer
109 views

Map a fbx model between 2 VertexPositionColor Positions

I have created a VertexPositionColor position and drew it in the XNA like this VertexPositionColor[] backbone; backbone = new VertexPositionColor[2]; backbone[0].Position = new Vector3(0, 22, 0); ...
2
votes
2answers
905 views

XNA: Rotating Bones

XNA 4.0 I am trying to learn how to rotate bones on a very simple tank model I made in Cinema 4D. It is rigged by 3 bones, Root -> Main -> Turret -> Barrel I have binded all of the objects to the ...
0
votes
1answer
292 views

flicker when drawing 4 models for the first time

i have some models that i only draw at a certain moment in the game (after some seconds since the game has started). The problem is that in that first second when i start to draw the models, i see a ...
0
votes
2answers
1k views

How to move a 3d object in 3d coordinate space

How can I move a 3d object in a 3d coordinate space? I have a coordinate output from a text file like this: -0.420 , -0.329 , 2.953 -0.296 , -0.314 , 3.136 -0.296 , -0.314 , 3.136 -0.296 , -0.314 , ...
4
votes
2answers
301 views

Box-box contact information

I have two colliding boxes, How i can calculate contact information like (contact normal, contact point and penetration) . Is there any simple algorithm . Note: i'm using XNA .
3
votes
1answer
674 views

Creating a Model out of Math primitives

Here is a litte sample that I drew in Blender to visualize what I am planing to create: Cone with spheres sample I already have the code to generate the cone and the spheres as mentioned in my ...
2
votes
2answers
336 views

Rotating a planet around a ships axis

I have a planet rotating around its own axis (like regular planets, and Pluto) and a spaceship that can fly around in space. The idea is to lock the player (ship) in a deadzone "above" the planet and ...
2
votes
1answer
676 views

Combine 3D objects in XNA 4

Currently I am writing on my thesis for university, the theme I am working on is 3D Visualization of hierarchical structures using cone trees. I want to do is to draw a cone and arrange a number of ...
4
votes
1answer
603 views

How can I achieve a zoom-like camera effect?

I have a top down 3D camera: view = Matrix.CreateLookAt(new Vector3(0,0,20), Vector3.Zero, Vector3.Up); Now I want to achieve the effect like when I zoom in the scene and only show a section at the ...
5
votes
1answer
407 views

How to attach two XNA models together?

I go back on unsolved question I asked about attaching two models together, could you give me some help on this ? For example, If I want to attach together Model1 (= Main model) & Model2 ? I ...
4
votes
1answer
346 views

3D models overlapping each other

I have a problem at the moment when I draw some models to teach me more about 3D game programming. The models at the moment overlaps each other from some angles witch makes sense since the game at the ...
2
votes
1answer
358 views

Xna GS 4 Animation Sample bone transforms not copying correctly

I have a person model that is animated and a suitcase model that is not. The person can pick up the suitcase and it should move to the location of the hand bone of the person model. Unfortunately the ...
1
vote
1answer
688 views

Inaccurate 3D model collision using XNA

I am creating a classic game in 3D that deals with asteriods and you have to shoot them and avoid being hit from them. I can generate the asteroids just fine and the ship can shoot bullets just fine. ...
2
votes
1answer
414 views

Smooth Camera Rotation around 90 degrees

I'm developing a third person 3D platformer in XNA. My problem is when I try to rotate the camera around the player. I would like to rotate (and animate) the camera 90 degrees around the player. So ...
2
votes
1answer
312 views

What are the GPU requirements for XNA 4.0?

I tried to build a sample application using XNA, but I got an error saying that Pixel Shader 1.1 was required, so I got a used Radeon X300 GPU that supports Pixel Shader. I tried to build it again, ...
1
vote
2answers
719 views

How do I move a 3D particle using the Mercury particle engine?

I'm currently creating a 3D game with XNA, and I am in need of some particles.That's why I searched for a particle engine. I found Mercury, watched the tutorials and integrated it in the game. But ...
1
vote
2answers
2k views

Rotate the camera around the model in XNA?

How can I rotate my view around a model? My model has a rotation. If this rotation changed, my view should also change. The camera should be behind the model everytime. Thank you very much!