libgdx

I want to make a button clickable, but it isn't working - it seems like I need to use unproject() but I can't figure out how. The code in question is: Texture playButtonImage; SpriteBatch batch; ClickListener clickListener; Rectangle playButtonRectangle; Vector2 touchPos; OrthographicCamera camera; @Override public void show() { playButtonImage = new Texture(Gdx.files.internal("PlayButton.png")); camera = new OrthographicCamera(); camera.setToOrtho(false, 800, 480); batch = new SpriteBatch(); playButtonRectangle = new Rectangle(); playButtonRectangle.x = 400; playButtonRectangle.y = 250;

Is there a way in Libgdx to verify a collision between a Polygon and a Circle? I saw the Intersector class but only found collision test for Circle and Rectangle. What about any other Polygon? If I need to do it manually, what's the best way to do that using Libgdx? So, I managed to create a collision test method between a Circle and a Polygon. At least, it works for me. Here's the code: public boolean overlaps(Polygon polygon, Circle circle) { float []vertices=polygon.getTransformedVertices(); Vector2 center=new Vector2(circle.x, circle.y); float squareRadius=circle.radius*circle.radius; for

I'm creating a level editor for my game, and I ave a problem using LwjglCanvas with a JFrame. I use a JFrame (not a LwjglFrame) to keep engine and level editor as independent as possible. I have two JARs: WorldEditor.jar, and GameEngine.jar. Inside WorldEditor, I have a button called "test", that is suppose to load GameEngine.jar (if not already loaded) and launch (resart it if already loaded) it into the application main frame. Actually, what I do is injecting the WorldEditor game container (a JPanel inside the JFrame for example) to the game app, and use Gdx.app.postRunnable to add the

I installed Gradle in eclipse and want to import a libgdx Gradle project. But when i click on "Build Model" button, i have an error at about 50% of the loading bar. Here is the problem : > Plug-in: org.springsource.ide.eclipse.gradle.core Severity : error > Message : org.eclipse.osgi.internal.framework.EquinoxConfiguration$1 > Exception Stack trace : java.lang.reflect.InvocationTargetException > at > org.springsource.ide.eclipse.gradle.core.util.GradleRunnable.run(GradleRunnable.java:92) > at > org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122) > Caused by:

I want to create a button that changes when the user hovers it, or clicking it. I created the following variable Button buttonPlay = new Button(); I don't know what to do now, how to load the images? How to write text into the button? How to implement the events / effects (hover, click)? It would be very helpful if someone could write some example code for a button. A button is simply an actor in libgdx. To render an actor you use a stage that contains all the actors of the screen, renders them and updates them. I assume you want a button with text, so you should use the class TextButton and