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• Problem when scaling game screen in Libgdx

  - by Nicolas Martel

  Currently, I'm able to scale the screen by applying this bit of code onto an OrthographicCamera Camera.setToOrtho(true, Gdx.graphics.getWidth() / 2, Gdx.graphics.getHeight() / 2); But something quite strange is happening with this solution, take a look at this picture of my game below Seems fine right? But upon further investigation, many…

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• How to detect a touch on transparent area of an image in a (libgdx) stage?

  - by Usman

  Can some one please help to detect a touch on an image which I am using as an actor in a stage. The image is actually a long diagnol brush which has plenty of transparent area. The problem is when I touche the transparent area of the brush image it is also triggering the clicklistener of the image. I need the click listener should only be called…

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• How can I track a falling ball with a camera?

  - by Jason

  I have been trying to get my camera to follow a falling ball but with no success. here is the code float cameraY = (FrustumHeight / 2)+((ball.getPosition().y) /2) - (FrustumHeight /2); if (cameraY < FrustumHeight/2 ) cameraY = FrustumHeight/2; camera.position.set(0f,cameraY, 0f); …

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• Physics like asteroides

  - by user2933016

  I try to make a ship that has the physic properties like asteroides. I have this for now(All in Java): Ship.class public class Ship { public static final float sMaxHealth = 0.1F; public static final float sMaxMoveVelocity = 5.0F; public static final float sMaxAngleVelocity = 20.0F; public…

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• libgdx draw issue and animation

  - by johnny-b

  it seems as though i cannot get the draw method to work??? it seems as though the bullet.draw(batcher) does not work and i cannot understand why as the bullet is a sprite. i have made a Sprite[] and added them as animation. could that be it? i tried batcher.draw(AssetLoader.bulletAnimation.getKeyFrame(runTime),…

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• Why is my Tiled map distorted when rendered with LibGDX?

  - by Sean

  I have a Tiled map that looks like this in the editor: But when I load it using an AssetManager (full static source available on GitHub) it appears completely askew. I believe the relevant portion of the code is below. This is the entire method; the others are either empty or might as well be. private…

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• deWitters Game loop in libgdx(Android)

  - by jaysingh

  I am a beginner and I want a complete example in LibGDX for android(Fixed time game loop) how to limit the framerate to 50 or 60. Also how to mangae interpolation between game state with simple example code e.g. deWiTTERS Game Loop: @Override public void render() { float deltaTime =…

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• libgdx rotation (animation, arrays) issues and help needed

  - by johnny-b

  well i am a noob at java and libgdx. i got the homing bullet working with the help of someone. now i am smashing my head as to how i can make it rotate so it faces the ball (which is the main character) when it goes around it or when it is coming towards it. the bullet is facing <---…

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• Access the camera of a Smartphone using libGDX

  - by PH-zero

  I searched the web, browsed through the libGDX wiki, but without success. My Question: Is there a way, to access the camera of smartphones, let the user take a photo, and then store the image in a Texture-instance? I could imagin something like this: @Override public void…

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• How do I load a libGDX Skin on Android?

  - by Lukas

  I am pretty desperate searching for a solution to load ui skins into my android app (actually it is not my app, it is a tutorial I'm following). The app always crashes at this part: assets.load("ui/defaultskin/defaultskin.json", Skin.class, new…

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• How to Make Objects Fall Faster in a Physics Simulation

  - by David Dimalanta

  I used the collision physics (i.e. Box2d, Physics Body Editor) and implemented onto the java code. I'm trying to make the fall speed higher according to the examples: It falls slower if light object (i.e. feather). It falls faster depending on…

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• SFX Played Once per Collision or Hit

  - by David Dimalanta

  I have a question about using Box2D (engine for LibGDX used to make realistic physics). I observed on the code that I've made for the physics here below: @Override public boolean touchUp(int screenX, int screenY, int pointer, int button) { …

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• Box2D Difference Between WorldCenter and Position

  - by Free Lancer

  So this problem has been brothering for a couple of days now. First off, what is the difference between say Body.getWorldCenter() and Body.getPosition(). I heard that WorldCenter might have to do with the center of gravity or something. …

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• LibGDX onTouch() method Array and flip method

  - by johnny-b

  How can I add this on my application. i want to use the onTouch() method from the implementation of the InputProcessor to kill the enemies on screen. how do i do that? do i have to do anything to the enemy class? also i am trying to add a…

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• LibGdx drawing weird behaviour

  - by Ryckes

  I am finding strange behaviour while rendering TextureRegions in my game, only when pausing it. I am making a game for Android, in Java with LibGdx. When I comment out the line "drawLevelPaused()" everything seems to work fine, both…

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• libgdx setOrigin and setPosition not working as expected?

  - by shino

  I create a camera: camera = new OrthographicCamera(5.0f, 5.0f * h/w); Create a sprite: ballTexture = new Texture(Gdx.files.internal("data/ball.png")); ballTexture.setFilter(TextureFilter.Linear, TextureFilter.Linear);…

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• Error in destroying object in Box2D/LibGDX

  - by Crypted

  I'm trying to delete an object when a collision happens. I have put the following code in the render method of the object so it would be outside of the physics calculations. public void render(SpriteBatch spriteBatch) {…

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• coloring box2d body in LibGDX

  - by ved

  I want to color polygon of box2d in LibGDX. Found below useful class for that. http://libgdx.badlogicgames.com/nightlies/docs/api/com/badlogic/gdx/graphics/glutils/ShapeRenderer.html But, it is not coloring the body…

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• SpriteBatch.end() generating null pointer exception

  - by odaymichael

  I am getting a null pointer exception using libGDX that the debugger points as the SpriteBatch.end() line. I was wondering what would cause this. Here is the offending code block, specifically the batch.end() line: …

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• Virtual screen size with libgdx and GLES 2

  - by David Saltares Márquez

  I've been trying to use a virtual screen size for my libgdx desktop-android game. I'd like to always use a 16:9 aspect ratio but with a virtual screen size so everything would adapt automatically depending on the…

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• time issue in render libgdx [duplicate]

  - by jaysingh

  This question is an exact duplicate of: time issue in render libgdx [duplicate] pls. help how to implement this loop in render method next_game_tick and…

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• time issue in render libgdx [duplicate]

  - by jaysingh

  This question is an exact duplicate of: deWitters Game loop in libgdx(Android) pls. help how to implement this loop in render method next_game_tick and…

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• Multiple enemy array in LibGDX

  - by johnny-b

  I am trying to make a multiple enemy array, where every 30 secods a new bullet comes from a random point. And if the bullet is clicked it should disapear and a pop like an explosion should appear. And if the…

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• GestureListener's fling method doesn't get called

  - by nosferat

  I'm using SimpleGestureDetector from the libgdx-users Wiki as my InputProcessor. I set it in the created() method: Gdx.input.setInputProcess(new SimpleDirectionGestureDetector(charController)); …

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• How to add reflection definition to read json files on web game

  - by user3728735

  I have a game which I deployed for desktop and android, I can read json data and create my levels, but the problem is, when it comes to reading json files from web app, I get an error that logs,…

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