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3
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1answer
632 views

How do I clip an image in OpenGL ES on Android?

My game involves "wiping off" an image by touch: After moving a finger over it, it looks like this: At the moment, I'm implementing it with Canvas, like this: 9Paint pTouch; 9int X = ...
1
vote
1answer
221 views

Pipe connection game algorithm - Java/Andengine

I am creating a game based on Pipe Dream/Pipe Mania using java/andengine for android. I have a square grid of tiles each representing a type of pipe. The player needs to swap tiles to connect the ...
1
vote
1answer
229 views

2D map/plane with nodes overlayed that supports panning, scaling and clicking on nodes

I'm trying my hand at Android development and seem to be running into an invisible ceiling in trying to get what I want accomplished. Basically I'm trying to create an app that renders a 2D surface ...
0
votes
1answer
46 views

OpenGL ES 2 jittery camera movement

First of all, I am aware that there's no camera in OpenGL (ES 2), but from my understanding proper manipulation of the projection matrix can simulate the concept of a camera. What I'm trying to do ...
0
votes
1answer
125 views

How do I handle collision response between many different types of game objects?

I am looking for a way to avoid the dreaded switch or if/else scenarios between numerous game object types when a collision takes place in a game. For example: You have a list of game objects which ...
0
votes
1answer
82 views

Why is mesh baking causing huge performance spikes?

A couple of seconds into the gameplay on my Android device, I see huge performance spikes caused by "Mesh.Bake Scaled Mesh PhysX CollisionData" In my game, a whole level is a parent object containing ...
0
votes
1answer
36 views

Changes to myApp.js files are reverted back to normal when the project is build - Cocos2dx

I am trying to do some changes to my myApp.js file of coco2dx project for android in eclipse but I am not able to do it. I am actually trying to change the default background image of my app. But ...
0
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1answer
69 views

Andengine Rotate Wheel with fast acceleration

I have a Wheel sprite and i am rotating it using Physics RevoluteJointDef. Its rotating. But problem is how i can make wheel to start moving fast. It took the speed after sometime like real. // ...
0
votes
1answer
183 views

Textures quality issues with Libgdx

I have drawn several vector objets and characters ( in Adobe Illustrator ) for my game on Android. They are all scalable at any size without any quality losses ( of course it's vector ^^ ). I have ...
0
votes
1answer
93 views

Version number not supported by gl2 in andengine

I am new to andengine. From various forums, i got to know that my system should support hardware virtulisation. I have installed "Intel X86" and my system didn't throw any problem regarding "HAX" now. ...
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0answers
67 views

Async Task for splash screen in OpenGL project

I'm confused over the application of an asyncTask for a simple Android splashscreen. I'm talking specifically about within an OpenGL game. Because of the nature of OpenGL, 2 things spring to mind ...
0
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0answers
66 views

How can I know when a scene is fully-created in Andengine?

I am using a scene manager like this. How can I know if a scene is fully created and visible on the screen, as it seems that the GameScene listens for touch events while the loading scene is still ...
0
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0answers
64 views

Make bitmap moviment on android canvas using timer or handler/Runnable/postDelayed

Im trying to to move enemies on a android canvas, i have to update its x and y position every x time (run enemy.move() every x time). I got 2 problems: Currently im implementing my canvas redraw ...
0
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0answers
16 views

Trying to use Sprite Batching with GL_COLOR_ARRAY in OpenGl ES 1.0/1.1

I'm trying to create a sprite batcher that uses GL10.GL_COLOR_ARRAY using OpenGl ES 1.0/1.1 on Android. I found two different sources that seem like they would work, they both have statements that ...
0
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0answers
32 views

Memory Management on Physic Body Frames in Unity

Compared from the Android programming with the help of LibGDX and Eclipse programming software in making 2D physics based game from this previous question, what if I'm throwing lots of game objects ...
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0answers
67 views

How do I “reset” the color in OpenGl ES 1.0/1.1?

In my 2D game I use glColor4f() to set the color and draw my screen border rectangles but when I try to start drawing my game objects, made up of a texture on a rectangular "quad", using ...
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0answers
28 views

PolygonRegion creating anr

I'm try create mask for cut texture. User moving finger on the screen and when he will up finger mask will created. My problem in, after user has long time moved on screen and up finger, mask start ...
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0answers
54 views

DigitalOnScreenControl not showing on screen using AndEngine Anchor Center

i'm following tutorials and i wanted to add a knob controller on the screen, but it's not showing up, can you help me please? This is the createControls() method in GameScene: private void ...
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0answers
240 views

How to rotate just the object being touched in Unity?

For my first steps in Unity I am just trying to rotate some squares when I touch them. using UnityEngine; using System.Collections; public class testskript2 : MonoBehaviour { // Use this for ...
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0answers
396 views

Dragging an object by touching on Android

I am trying to move and object by touching it and dragging. I am testing it on my Samsung Galaxy SIII. I have used the following code. For some reason it moves faster than my finger. It should always ...
0
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0answers
78 views

Coordinate system of android.graphics.Camera?

I asked this question before in StackOverflow.But I have not found any answer. I have to use Camera to draw some things in Canvas.But I can not detect that coordinate system of Camera is Right hand ...
0
votes
0answers
72 views

OpenGL ES Renderer, how to know if onSurfaceCreated has been called?

Obvious answer is to set a boolean to true, but that wouldn't consider recreation. I'll tell you what I'm doing, and what's my problem for bringing light to the question. So, I was working on the ...
0
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0answers
68 views

Physics don't apply on a unique body AndEngine

I am developing a game in AndEngine so far I managed to create everything I wanted for my sprite that was connected to a BoxBody. I was rotating it moving it everything was great. I wanted my ...
0
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0answers
134 views

Basic Android game loop having issues

I've set up a very basic game loop that should draw a circle, run 100 times, then draw another. I also have a text field that should display how many times the loop has ran. However, the screen seems ...
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0answers
73 views

Ouya / Android : button mapping bitwise

I am programming a game with the Gameplay3d Engine. But the Android site has no gamepad support and that is what I need to port my game to Ouya. So I implemented a simple gamepad support and it ...
0
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0answers
670 views

Drawing and rotating bitmaps (with transparency) efficiently in Android

I just started making a game for Android and I'm already having some issues regarding performance. You can imagine the game as being some kind of Tower Defense game with a top-view, and the enemies ...
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0answers
269 views

Shoot Bullet Towards Touch Position : Unity3D

I have one object shooting in x-y plane..,x means horizontal and y means vertical direction.. My bullet is capsule game object with rigidbody component. Now Whenever i touch on the screen , i want ...
0
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0answers
40 views

z-fighting issue on kindle fire

I'm developing a 3D game, now have some issues about z-fighting. When load complex model , some overlapped layer will keep flicking. This issue occurs on kindle fire 7'', bug other tegra tablet ...
0
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0answers
110 views

Game issue occur in 4.3 Android Version?

CCScene doesn't show anything on 4.3 version? I am working on a project in which I'm using the cocos2d_android.jar and on the 4.3 version the screen goes blank and music/ccTouches/others things ...
0
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0answers
164 views

Box2D revoluteJoint Motor speed,Max torque scaling for diff Devices

Hi i am using Box2d Revolute Joint as a joint for wheel it's connect to Wheel and Body of my Car i am using RUBE for creating the Box2D world Prob. i am using a scaling floating point number to scale ...
0
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0answers
197 views

syncing multiple audio tracks on Android

I'm trying to create a music based game (similar to "my singing monsters). the idea is that I have a scene where I can place and remove a few different characters from the scene, each character has a ...
0
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0answers
399 views

ANDEngine : 3d rotation in Particle System

Im using ANDEngine and wants to create confetti particle system. But im unable to make flipping and rotation of confetti particle around z-axis Since andengine is 2d engine, it doesnot support that. ...
0
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0answers
257 views

Libgdx - Box2D: Attach Physics Body Editor Loader mask to dynamic texture

I have a texture of a circle, which gets drawn to a new position when a touch drag occurs. It isn’t set up as a body. I have made a physics map using Aurelien Ribon's Physics Body Editor Loader GUI ...
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0answers
212 views

Android SurfaceView framerate issue

I am using SurfaceView to draw a lot of Bitmaps onto canvas. This causes really variable frame rates depending on how many objects are present. My code below: public class OriginalView extends ...
0
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0answers
232 views

Trouble with textures in Unity and Android

I am trying to dynamically create textures of a single (random) color via script. In the Windows Editor it works, but in Android it fails and my Quad gets a magenta color (i.e. missing texture). I am ...
0
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0answers
61 views

2D leveldesign R.U.B.E Editor problems

I'm new here and first of all i want say hello Me and my brother are working on an android game at the moment and we get better and better every day (we startet from the scratch...). I finished our ...
0
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0answers
121 views

How to handle Null Pointer Exception in libGDX's Box2D ContactListener?

What's up everyone, I am heuristically producing a Pong clone in Box2D via libGDX. The Null Pointer Exception is originating in the ContactListener's beginContact() method in which I am trying to ...
0
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0answers
208 views

pause or freezing game screen

I have a question regarding the pausing/freezing a game while a window/pausemenu will appear at center of the screen. I've already created a pausescreen class which will be called each time the back ...
0
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0answers
188 views

How are OpenGL ES 1 framebuffers and textures sized?

I am trying to draw to a texture using a framebuffer using OpenGL ES 1.1 on Android, Java. Afterwords I want to overlay this texture full-screen over my game. In theory, this works like a charm, but ...
0
votes
0answers
89 views

GLRenderer will not run when resuming app

I'm displaying a dialogue over my GLRenderer and then dismissing it from my Renderer's onSurfaceChanged method (once all resources have loaded and just before rendering starts) When I first run my ...
0
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0answers
88 views

Motorola Defy (CyanogenMod) and OpenGL ES textures

My friend tested my game on a Motorola Defy (with CyanogenMod v4.x, I don't remember exact version number, and she is not reachable now). My game uses OpenGL ES (v1.1, and in another activity, v2.0). ...
0
votes
0answers
98 views

Android , why GLSurfaceview output is different in Various Devices (Google Nexux7,Samsung Galaxy Note II)

I have created an android app for drawing of lines,circles.. by using GLSurfaceView in OpenGLES 2.0 like an Auto cad app. The app works well with Google Nexus 7, in the sense that if we draw a ...
0
votes
0answers
147 views

Android: Using touch does not go to center

I have a simple OpenGL app that draws a circle, I want to move the circle based on where a person touches the screen. The problem is, OpenGL sees the height and width as -1 to 1, whereas Android sees ...
0
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0answers
76 views

Time on touch events?

Whats the best way to have a touch even cause an action for a specific period of time or deltaTime? It seems like it should be simple, but I have tried while and for loops based on int counts for ...
0
votes
0answers
104 views

How to get sprites react to touches in cocos2d-android

i have 1 gun when tap on any area on the screen bullets fires out, but according to my requirement there are 3 guns(sprites) when touched on any of the sprites bullets must fire up, when googled i ...
0
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0answers
127 views

Android cocos2d getting collision detection to work only on some frames of animation

I have an animated bomb sprite in my game and use CGRect for collision detection: for (CCSprite bomb : _bombs) { CGRect bombRect = CGRect.make(bomb.getPosition().x - (scaleFactor * ...
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0answers
582 views

Android OpenGL ES 2.0 gameloop problems

I implemented a gameloop found here: http://www.koonsolo.com/news/dewitters-gameloop/ into my OpenGL ES 2.0 Android game. The tutorial was written with the canvas API in mind, not OpenGL so I made a ...
0
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0answers
482 views

Limited Screen Switching Count Memory Issue

When making my simple app for revisions to update the latest changes, I test it first between the device (Google Nexus 7) and desktop using Eclipse IDE. I made eleven screens for the game in terms of ...
0
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0answers
714 views

Android Canvas problems with drawing background

I'm trying to make an android and i have got to the stage where im adding in some simple graphics and it gets drawn to the screen fine but it is drawn over the top of everything else here is the code ...
0
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0answers
541 views

Remove box2d bodies after collision deduction android?

Can any one explain me how to destroy box2d body when collide i have tried but my application crashed.First i have checked al collisions then add all the bodies in array who i want to destroy.I am ...