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SurfaceView.Callback.surfaceDestroyed is called too early in Android

I'm making a simple animation application. Everything works as planned, except one little detail: About 50% of the time, exiting the application (Home or Lock button), makes the Logic throw a ...
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1answer
412 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 ...
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1answer
354 views

Overload C++ functions in lua [closed]

I have had a look around but I believe this to be impossible due to compile time of c++. However is it possible to have a class registered in lua and c++ that has a overload update function which I ...
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1answer
2k views

Handling multiple pressed keys with KeyListeners

I'm making a game Applet with Java that uses KeyListeners to control a paddle (for a game like Breakout/Pong). My basic implementation goes like this: public void keyPressed(KeyEvent e) { switch ...
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1answer
395 views

Make a callback to android methods from libgdx

How can I make a callback from libgdx to an Android method? I want to use the method to overwrite a file in the internal memory.
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1answer
214 views

How do I run a callback when all objects have stopped moving?

I'm using Bullet and want to take some action once all objects in a dynamic world have reached 0 velocity (or at least a value that's very close). I was trying to iterate over all of them all the ...
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1answer
2k views

How can I cancel a contact in a b2ContactListener?

To know when contacts happen we can derive from b2ContactListener and implement our own solution which is great. I'm wondering is there anyway we can cancel a contact, that is to say when we hit begin ...