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PONeeds advice on Libgdx Scaling
 

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  1. PONeeds advice on Libgdx Scaling
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    <p>This might be a simple question being addressed somewhere, but I can’t find it. I do hope someone can lead me to the right path. The design resolution for my application is 800x480. To maintain the correct aspect ratio on devices with higher resolution, I followed <a href="https://github.com/libgdx/libgdx/wiki/Scene2d" rel="nofollow" title="this post">this post</a> and managed to get the “black bar” (I used blue for testing) on both side on a bigger screen (nexus 7). However, it seems that the stage is not scaled to cover the screen. Please see screen shot bellow, blue colour are the Gdx.gl.glClearColor(0.5f, 1, 1, 1); black rectangular (800x480) is the actual Sprite. </p> <p><a href="https://lh5.googleusercontent.com/-Nkfyt4113ag/UltLB-LG6wI/AAAAAAAAAC0/jFgP7J1oj6A/s1152/stage%2520not%2520scale%2520to%2520full%2520screen.png" rel="nofollow">Link to image</a></p> <p>I am not sure where I went wrong. Any help is much appreciated. Code below:</p> <pre><code>private SpriteBatch batch; private Texture splashTexture; private Sprite splashSp; TextureRegion splashTr; Stage stage; @Override public void create() { stage = new Stage(); batch = new SpriteBatch(); splashTexture = new Texture(Gdx.files.internal("img/splashTexture.png")); splashTexture.setFilter(TextureFilter.Linear, TextureFilter.Linear); TextureRegion splashTr = new TextureRegion(splashTexture, 0, 0, 800, 480); splashSp = new Sprite(splashTr); Gdx.app.log("myapp", "Creating game"); } @Override public void render() { Gdx.gl.glClearColor(0.5f, 1, 1, 1); Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT); stage.draw(); batch.begin(); batch.draw(splashSp, 0, 0); batch.end(); } @Override public void resize(int width, int height) { Gdx.app.log("myapp", "width:" + width + " height:" + height); Vector2 size = Scaling.fit.apply(800, 480, width, height); int viewportX = (int)(width - size.x) / 2; int viewportY = (int)(height - size.y) / 2; int viewportWidth = (int)size.x; int viewportHeight = (int)size.y; Gdx.app.log("myapp", "viewportWidth:" + viewportWidth + " viewportHeight:" + viewportHeight); Gdx.app.log("myapp", "viewportX:" + viewportX + " viewportY:" + viewportY); Gdx.gl.glViewport(viewportX, viewportY, viewportWidth, viewportHeight); stage.setViewport(800, 480, true); Gdx.app.log("myapp", "Resizing game"); } </code></pre>
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    1. COYour `Stage` is completely independent from the rendering of the sprite and actually doesn't do anything here. Either add the `Sprite` to the `Stage` as an `Actor`, or remove the `Stage` and use a `Camera` for your viewport and use `SpriteBatch.setProjectionMatrix(camera.combined)`.
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