XNA is a game framework by Microsoft that allows deployment for Xbox Live Indie Games as well as Windows Phone 7.

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102 views

XNA makes the console flicker

I create a Window XNA game project from the template in Visual studio 2015. Then I right click and set the property to console application because I think it is convinient to use Console.WriteLine() ...
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63 views

Custom game loop entirely in the Update method

I am attempting to implement a custom game loop in XNA/Monogame. I know that one can re-implement the Game class using WinForms (with the caveat of having to also redo the content manager, etc.). I ...
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159 views

How to use OpenTK (OpenGL) with MonoGame?

So I've been making a snake game using MonoGame (DirectX Only). I added movement, controls, feeding and growing in length. I wanted to add smooth animations to the game because the snake is just made ...
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1answer
43 views

HLSL pixel inside a view (cascaded shadowmapping)

I'm figuring out shadowmapping in HLSL (see also this question). I understand that I need projection matrices for each cascading shadowmap. I use this code to create the projections: Matrix ...
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1answer
128 views

MonoGame does not generate xnb from png

I am coming straight from XNA and I installed the latest version of MonoGame today (2015-12-22) for Visual Studio 2015 Community. I created a project from the windows Project template. I right ...
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1answer
35 views

XNA Texture2D Copy Error

I have a static class that I use to build a 3d character and render the results to a RenderTarget2D which I then return. I'd like to store the results for later use so I need to make a copy of the ...
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1answer
98 views

HLSL Shadowmap shader for large scale environments

I'm working on a racing game in Monogame. The game runs fine so far using Monogame's BasicEffect (link to video). I wanted to add shadows so I implemented a shadowmap using this as a base. and a ...
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1answer
23 views

XNA 2 3D Objects Depth Convergence Error

Gah! I have a scene with 2 3D objects - a plane and a sphere; the plane sits on the xy axis with a depth if -100 and diameter of 200; the sphere diameter is 32 and sits on the xyz = 0 position; ...
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0answers
97 views

XNA Shader working different on different PC's

I am working on a game in C#/XNA which uses custom shaders for drawing. When the code is compiled on my machine it works perfectly on all computers I tested, but when my team member tries to compile ...
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1answer
94 views

In Monogame, why does Rectangle.Offset not work?

I have the following code in a default Monogame Game project: protected override void Update(GameTime gameTime) { if (Keyboard.GetState().IsKeyDown(Keys.Left)) { ...
2
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1answer
67 views

XNA Advanced font rendering (outline, shadows, etc) [closed]

I am looking for a tool that will output spritefonts for XNA consumption that have an outline effect. I know that this can be done by rendering the text multiple times, but I'd like to take care of it ...
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0answers
62 views

XNA 2D position offset

I am creating a 2D game engine with XNA and MonoGame. For each of my sprites I have offset positions, which I use to align another sprite if is it not within the main sprite i.e. stance. I have an ...
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3answers
81 views

In XNA, how do I get forms to display in front of my full-screen game?

I'm trying to open a form in front of my game, which is full-screen. However, the form seems to appear only behind the game window. At the moment, I'm doing this: protected override void ...
4
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1answer
66 views

Optimizing my 3D XNA game

I've come to a point where optimizing my game is very much needed.My update() routine takes 0-2ms. My draw() routine takes about 100ms when drawing 3.5M triangles (Not the amount I really have to ...
1
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3answers
253 views

How to restart the game when pressed enter in XNA

If the following code allows the game to exit when pressed esc .. if (gamePad.Buttons.Back == ButtonState.Pressed || keyboard.IsKeyDown(Keys.Escape)) { this.Exit(); } Then this code should ...
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2answers
273 views

2D A* Path-Finding

I have this problem, which isn't really a problem, but I feel like it's some sort of glitch in my code maybe. My pathfinder, to find a path from A to B, does this: which is almost fine, it works ...
3
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1answer
62 views

How to link the game class to the main menu class in XNA?

So I got my game in another class and my main menu in another class. This is the update method in my Main menu class MouseState mouse = Mouse.GetState(); switch (CurrentGameState) ...
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1answer
51 views

Updating score in collision detection game in XNA

I created a collision detection game in XNA but I have a problem with the scoring. As online tutorials says, I initialised it score = 0; This is in the update section to check if the person hit ...
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2answers
74 views

How to draw the elements that are in a Texture2D list in XNA

I have a Texture2D list called blockTexture that has 2 elements in it. I use the following line to draw the first element. foreach (Vector2 blockPosition in blockPositions) for (int i = 0; i < ...
2
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1answer
46 views

XNA/Monogame Change SpriteBatch Blendstate in between calls

I'm working on polishing up the particle system in the project I'm working on in Monogame. Currently particles and objects are all drawn within the same Begin/End block to allow for FrontToBack depth ...
2
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1answer
95 views

Calculating rotation matrix for an object relative to a planets surface in MonoGame

I have a 3D planet and I would like to place models on the planet and have them start with a base rotation relative to the planet surface at their location. So a model at the north pole will have zero ...
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0answers
45 views

C# - XNA blurring tiles despite using PointClamp SamplerState

I´ve a problem drawing isometric tiles without getting pixel issues. The way I do it is the following: SpriteBatch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend, ...
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1answer
39 views

XNA coordinates countdown

Usually XNA increasing X coordinate to right and Y to down. Like this But in my project i have 2D map. Drawing tile with bigger Y coodinate below OX looking strange (usually people imagines these ...
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0answers
33 views

How can I create a character for a 2D platformer in Farseer Physics 3.5?

I want to create a similar character like in this tutorial. http://www.madgamedev.com/post/2010/09/09/Article-XNA-Farseer-Platform-Physics-Tutorial.aspx But the tutorial doesn´t work for Farseer ...
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1answer
36 views

Can I use a BlendState object to emulate a draw call's blending color?

I'm working on a lighting system for a tile-based game. What I want to do is draw my tiles to the screen, then draw a single Texture2D object (my light map) over top of them. However, doing it in ...
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0answers
89 views

Drawing objects in view of camera only in XNA/MonoGame

I am working on a Tower defense style game on mobile that uses a tile map and I am trying to determine the best way to draw overlays of those tiles. In my game, I go into build mode to build towers. ...
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33 views

Problem with collision between two farseer bodies

I have four different bodies. Ground, rectangle, red ball, white ball. The rectangle and the ground are static. Just the balls are moving. The red ball can´t move through the rectangle, but the white ...
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1answer
68 views

How can I save an XNA texture as a PNG file?

I have a Color[,] variable and I already know how to convert it to a Texture2D. How do I then save it as .png image?
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1answer
70 views

Rotation Continuity help

First the issue im having: Basically its the fact that the angles of a circle aren't continuous, they rise from 0 to 2pi then immediately fall back to 0. I want to make a game where the player ...
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0answers
45 views

How to create offsetting lines that draw across the screen in Monogame?

I'm trying to create an effect on the screen like the gif below. Basically lines that are offset by 1 pixel draw across the screen from either side which then eventually creates a solid color. I'm ...
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3answers
324 views

How to create a delay/timer and fire an action once it expires in C# Monogame? [duplicate]

First off I'm somewhat new to C# but I'm working on a game in C# Monogame and I'm trying to get timers working. There was a similar question answered around here a while back but I found that the ...
3
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1answer
129 views

Effective AI for 3D Motion

I am developing a game in XNA and am trying to create an effective AI for the enemy and friendly spaceships but am having a hard time keeping the game effective without disadvantaging one side or the ...
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1answer
94 views

Replace black color by transparent color XNA

I'm actually trying to replace black color of my texture by a transparent one. How can I do to remove the black pixels, should I use a AlphaTestEffect, or can I use the BasicEffect? Thank you.
2
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2answers
111 views

Draw 3D ellipse in monogame/xna

I am programming a 3d solar system (simulator). To describe the path of a planet I wanted to add 3D rectangles.. and draw them. But this ; no surprise; decreased the frame rate extremly. Also it does ...
2
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0answers
52 views

Mouse Interaction in 3D space (ray)

I use this code public static Ray CalculateRay(Vector2 mouseLocation, Matrix view, Matrix projection, Viewport viewport) { Vector3 nearPoint = viewport.Unproject(new ...
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0answers
49 views

Textured trapezoid in Monogame DirectX

I'm working on a 2D game, so most of the graphics are sprites. However, some elements are drawn using trianglestrips in Orthographic projection. The thing is that I can't do a 3D projection because ...
3
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1answer
92 views

How to load multiple 3D models dynamically xna

I want to load multiple 3D models .fbx at the same time in my map display. I can load First Model but when I use ContentBuilder to Load another Model, I Got Error in effect.EnableDefaultLighting (); ...
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2answers
92 views

WP 8.1 XNA custom game loop (render when dirty?)

I need to know whether it's possible to create a XNA game for Windows Phone 8.1 (which I've already) using monogame with a custom game loop. OpenGL ES has this possibility (GL_RENDERMODE_WHENDIRTY or ...
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0answers
68 views

XNA Collision In An Entity Part System

I've hit a loss in creating a "game engine" in XNA, I'm extremely confused over how to approach collision in an Entity-Part System ( following this as a reference ). I can make all the entities with a ...
4
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1answer
155 views

Generating 'Specially' shaped rooms for a Dungeon

I've made a fairly simple dungeon generator but now I want to expand on it so that I can procedurally generate a dungeon with irregular shaped rooms. I don't just want any old crazy shapes popping up ...
2
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1answer
205 views

Why are dungeons so often created subtractively rather than additively?

I'm having difficult deciding on how to procedurally generate a dungeon floor. The way I've been doing it so far is like so: Populate list of Rooms with random height and width. Place first room in ...
2
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1answer
34 views

Windows Phone 8.1 Monogame Content.Load<Effect> exception

need some help, just trying to load compiled .fx (.xnb) file by monogame (version 3.4.0.456) in Windows Phone 8.1 enviroment by this code MainEffect = Game.Content.Load<Effect>("chessboard"); ...
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2answers
57 views

xna split tileset into individual tiles

I am trying to break a tileset image from my content folder into individual tiles during program. What I would like to have happen is that i can fill a list (of thing) with each possible tile so I can ...
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0answers
61 views

Open Borders in Fluid / Smoke Simulation

I am trying to adopt a fluid / smoke simulation based of the source files of this video to my needs but came across a few problems when trying to make it open at the borders (flows into the void). ...
1
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1answer
38 views

Extrapolating performance on cheaper devices

I am in the final stages of developing a game with XNA and MonoGame and am planning to release it on Windows Phone and Android. I personally have a Blu Win HD LTE and my father and sister have a Nexus ...
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1answer
73 views

XNA Get model height in location

I am trying to make simple RTS game, and here is the problem I encountered. I need to get model height in any position. Model will not be rotated or scaled. For example, I have a terrain model like ...
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54 views

Is this a good way to “get rid of the sprite shakes” for my sprites that “target” other sprites? (XNA)

I'm relatively new to XNA, but very proficient with C#. I want to know if this is the best way to solve the sprite shaking problem. I had a sprite class that can target a place/other sprite on the map ...
5
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1answer
155 views

How can I efficiently render to multiple screens?

I know XNA is long dead, but I need it to update an old project. (I would have ported to MonoGame, but can't get multi-monitor support in it.) My game does the following: Wait for some objects ...
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1answer
67 views

Find x and y position with angles in 3D world

I'm actually creating a Tracking Camera (or 3rd person camera), and to do so, I used two angles (X and Y) for the rotation of the camera and an other floating value for the distance between the target ...
1
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1answer
459 views

Monogame shader not working

I'm trying to use this this tutorial in monogame, but the effect does not work, only renders a black screen. Everyhing by itself renders just fine, I looked at the render targets if they get drawn to, ...