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1answer
31 views

Game info file? LibGDX android

In my app I need a file that I can keep settings like: TutorialSkip: True or AppDev: False and other info. How can I make this file and prevent users editing it? This has to work in the Core folder ...
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1answer
567 views

Android : How to get screen size in exact pixels ? (OpenGL render surface size etc)

On every single android device {emulators} from ldpi to xxhdpi, both DisplayMetrics and native JNI EGL return width:320 and height:526. Even on actual HTC ONE mobile it returns something like 320x526. ...
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0answers
45 views

Unity StartApp Ad Sdk dims the screen down when showed

I'm making an android game Which Never Sleeps and it don't. But When Using Startapp ad sdk It seems that it pauses the game and the mobile sleeps when the ad is shown. As if the sdk handles it from ...
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0answers
27 views

TouchCollection positon not matching button position

I am using a TouchCollection of touchlocations to determine if a button has been pressed, However the touchlocation position does not correspond with the button location as I would expect, the touch ...
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vote
1answer
505 views

2D graphic over 3D perspective projection

To draw a 2D HUD (just a simple trianlge, for now) over 3D graphics in OpenGL I : draw all 3D objects, then call glDisable(GL_DEPTH_TEST) before drawing 2D HUD draw 2D triangle call ...
2
votes
1answer
665 views

libgdx, how to check collision of randomly generated actors?

I have two groups of randomly generated actors, one is bullets second is enemies. And as of now I have no idea how to check collision of randomly genrated actors and remove the overlaped actors. I'm ...
2
votes
1answer
315 views

Unity Android Orientation Bug in Auto Rotate

I am currently looking for a workaround, or fix, for a Unity bug. I want to be able to auto-rotate my game, while respecting the Android system settings. Currently, if you set your Unity Orientation ...
2
votes
2answers
191 views

How can I load a level using a sound file? [JAVA] [closed]

I'm trying to load a level from a music file (mp3, midi, etc, I'm not picky) for a rhythm-based game. I must be searching in all the wrong places because I can't seem to find any help on this topic. ...
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0answers
430 views

Leaderboard Testing on Google Play Services

I have a shared Google Play Developer account so that he allowed me to publish a game app. Next, I want to know if in order to test the online highscore is to upload the APK and publish it first ...
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0answers
53 views

Drawing to canvas on a low end Android device

Recently I have noticed some of the low end Android devices have issues running my game. I've managed to get a screenshot of this bug: Once game is running, only the top left corner image will ...
1
vote
1answer
225 views

Streamline Facebook and Google Play Game Services integration in Android Game

This has been confusing me a lot . I am creating a simple 2D platformer which I wish to make social. So I thought of letting users do the following: Share their in game objective completion/ their ...
0
votes
1answer
148 views

How to move 2D camera in OpenGL

I am new in OpenGL, I am making a game in 2D and I want the camera to follow the character. I started with gluLookAt() but I read that I could just move the matrix with glTranslatef() and It should ...
1
vote
1answer
126 views

Andengine onAreaTouched TouchEvent not working - ACTION_OUTSIDE & ACTION_CANCEL

I have a simple problem. I have a button on the screen. I want isActionDown to push the button down, and isActionUp to push the button back up again and make my character jump. But the problem is if I ...
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0answers
93 views

GdxRuntimeException uiskin.atlas

I have problem when trying to use the uiskin.atlas from github/libgdx. I've downloaded(cloned) it from libgdx.git but it just doesnt work. I get the following error: ...
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0answers
74 views

HaxeFlixel, Font gets fuzzy android upscale

I made a simple game for android with a small native resolution (320x480). When text gets upscaled it loses its sharpness. Tried having anti aliasing on and off and both results were fuzzy. The size ...
1
vote
1answer
157 views

Generate ETC2 compressed texture from Android Bitmap in OpenGL ES 2

My app currently uses a lot of textures most of which probably could be compressed quite a lot by using ETC2 (my app runs on 4.4 so i have a lot of devices supporting GLES30), i cannot use ETC1 since ...
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votes
2answers
512 views

How can I optimize the size of my .apk?

I noticed that the Flappy Bird .apk is only around 900 KB. I'd like to know how I can achieve a similar optimization in .apk file size for my own games, which use Unity. A small single-scene game ...
0
votes
1answer
116 views

OpenGL ES respecting alpha for background but not for objects

I have a problem with the alpha of my game, maybe it is solved in another post but as I am new in OpenGl and Game developemnt I dont understand most of the vocabulary and cant find a solution. The ...
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vote
2answers
2k views

How do I choose an optimal texture size for a mobile Unity game?

I am developing a 2D game with Unity2D for Android, iOS, WebPlayer and maybe for desktop computers. I think the working resolution of my game is 1280*800. How do I choose the optimal size of ...
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2answers
222 views

Touch sides of tablet, moves that direction

I am making a game where the player flies a balloon through a cavelike structure. I am having trouble making him fly correctly when I try it out on my android tablet, seeing as it requires ...
1
vote
1answer
60 views

Libgdx - gesture dection

I have made a card game, and have two methods that sort the players hand. sortHandBySuit(); sortHandByValue(); I would like one method to be called when the user slides their finger from left to ...
-1
votes
1answer
91 views

How do I throw a ball on particular angle?

I want to create a game like "Angry Bird". I want to throw a ball from a destination to a target on a parabolic curve. I have the angle-selection part implemented but now I need to throw a ball from ...
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0answers
91 views

Additive blend over camera preview

I am using SurfaceTexture to draw camera preview through opengl after applying blending but new camera preview frames overwrite my previous frames although i am not clearing my color buffer. I want my ...
0
votes
1answer
138 views

Android OpenGL and non premultiplied textures

As I understand it; by default all bitmaps will will get the alpha channel premultiplied in Android if loaded using BitmapFactory. My setup: I have a 32bit bitmap(.bmp) where the alpha channel has a ...
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0answers
100 views

OpenGL ES 2.0 - Applying rotation to only specific quads within a batch

This problem seems fairly simple on the face of it: How, when drawing a batch of quads using a triangle strip, can I apply a rotation to only one or some of the quads. I've been looking at this ...
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2answers
223 views

Dealing with multiple scenes /levels

Overview I have a scene manager in my game and in each 'Scene' I have a render() and a update() method for drawing and updating my game's logic. Basically, when I want to switch to another scene, ...
0
votes
1answer
543 views

Android Canvas 2D Game: Supporting multiple screen sizes/resolutions [duplicate]

I'm planning to develop a 2D game for android devices by using simple Canvas Surfaces (I know that OpenGL might be more efficient - but Canvas should definitely be enough for my type of game). I'm ...
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2answers
78 views

Android appstore developer account, to not charge then change

The idea of charging for my early releases doesn't sit well with me, but at some stage, I will want to devote more time to games dev activities, when I will need it to be rewarding. On the Play Store ...
1
vote
1answer
133 views

Can we use credit card/prepaid voucher payment systems in Android and iOS?

We already have a credit card gateway with a local bank. We also have a prepaid card voucher in the market. In our game, a user will create an account within our portal. The user will "recharge" his ...
0
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0answers
332 views

Camera Rolling when Implementing Pitch and Yaw

I am implementing a camera in opengl for an android game and am having problems getting the pitch/yaw/roll of the camera correct. I have read many tutorials on quaternions and have implemented a basic ...
2
votes
1answer
291 views

Avoiding memory allocation in Android game development

For obvious reasons, allocating memory on the fly in Android game development is not recommended. For example: http://developer.android.com/training/articles/perf-tips.html: There are two basic ...
1
vote
0answers
230 views

Best view for 2D Android game in Xamarin [closed]

I am trying to create a 2D multiplayer turn-based cooperative game for Android in Xamarin with possible future implementations for Windows Phone and iOS. The main inspiration for my game is Pandemic. ...
0
votes
1answer
190 views

OBJ Model not being rendered properly in OpenGL ES 2 android app

I have an Android OpenGL ES 2 app that loads an .OBJ model using Assimp and renders the same. The vertices data is stored in a object declared like this : class CGameObject { public: struct _Mesh { ...
0
votes
1answer
155 views

libGDX new TextureAtlas(filename) and new Texture(filename) drawing stale image data

I'm trying to draw an image using libgdx but no matter what I do, libgdx seems to insist on drawing a portion of an image I had loaded and used in an earlier game screen. In my current game screen ...
1
vote
2answers
212 views

How do I handle game lag due to background apps

I'm developing a game using libgdx and have noticed on several occasions that other background apps running can cause lag in my game - especially when those apps are being updated in the background. ...
1
vote
2answers
60 views

Convert trianlge mesh to group of Line segments

I have a 3D .OBJ model file, that is loaded in my OpenGL ES 2 android application using Assimp library. All the faces are triangulated. I want to draw the wireframe for my mesh. In OpenGL we have ...
0
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0answers
24 views

Destroying fixtures in Box2D/AndEngine

In my game I need to break of parts of a body when the body crashes into something too violently. Currently I do that by by getting all the normal impulses of the ContactImpulse and if the max value ...
0
votes
2answers
212 views

How to pass a turn to AI and draw its move in a game?

I am writing a simple game for 2 players, where they have to make turns after each other (select a few objects to remove from the screen) and press "End turn" at the end to pass the turn to another ...
0
votes
1answer
145 views

What is the speed difference between cross platform HTML5 games and native mobile games? [closed]

Microsoft is advertising and promoting cross platform HTML5 game development. I am thinking of creating a simple 2D side scroller game and I am trying to decide what engine should I use for creating ...
0
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0answers
73 views

Can Google Play Games Services (GPG) be used in games not running on Android or iOS?

Can Google Play Games Services (GPG) be used for games not running on Android or iOS? For instance, can GPG be used for using real-time game state communication between players on platforms like ...
1
vote
1answer
846 views

Calling an android method from Unity3D with a JAR plugin

I am developing a game with Unity only for Android platform and I am requiring to share content of my game through an intent so I have implemented a JAR plugin according to several tutorials with this ...
0
votes
1answer
132 views

Cocos2dx - Trail

I'd like to implement a trail (like the white circles in Angry Birds) that chase my Sprite. I already used CCMotionStreak, but the trail texture is "stretched" instead. Anyone has an idea how to make ...
0
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0answers
85 views

Apply android.graphics.Matrix transformation to an Open GL ES shader

I am currently using a 4x4 matrix to convert from "pixel" coordinates to OpenGL ones, my scene is full screen so my screen matrix looks like this: 2f / width, 0f, 0f, 0f, 0f, -2f / height, 0f, 0f, ...
0
votes
1answer
214 views

No sound in android using Phaser [closed]

I have developed a simple game using Phaser. It's work perfect on ios webkit, but on android there is no sound. What causes this problem on one platform but not the other? We are using this code to ...
1
vote
0answers
140 views

Google turn based multiplayer automatch criteria

I've set up a multiplayer game using Google's turn-based API. I now want to put some qualifiers on auto-matching and am racking my brain on how to solve this issue... I'm using GetVariant() to ...
1
vote
0answers
70 views

Prebuilt SDL and dependencies for Android? [closed]

I've spent two days trying to build a Hello World project with SDL2 on Android, and I'm now extremely frustrated. I've followed several guides and tutorials and there's always some header missing ...
3
votes
1answer
244 views

Deploying MonoGame on Android

I've developed a game using MonoGame for Android (with Xamarin). When deploying to my Android device (via the Xamarin Studio IDE) it installs 3 apps - Monogame-Android-8-support, ...
0
votes
2answers
191 views

get View from LibGDX for Android

I am making a LibGDX app, and I need to get the view to put to an Android app. Here is the code to get the view: package jangkoo.game.shadowfiend.android; import ...
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votes
2answers
104 views

Why does Corona SDK not build a .apk file?

I'm trying to put a game I created in Corona SDK on my Galaxy S5. I go to the Corona Simulator, click Build for Android.. Then I fill out the information, and then I hit build. The problem is, it's ...
2
votes
1answer
158 views

LibGDX Box2D TileGame Efficiency

I am trying to implement Box2D into my top down tile game in LibGDX. Each world consists of a set of chunks, and each chunk is 16 tiles wide/long. The maximum/minimum chunks loaded at one time is 9 (a ...