The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
1answer
110 views

Handling input with callback functions

I'm not sure if I understand callback functions completely - they are functions that another function calls? This seems like a powerful tool, especially w/r/t handling input. I've written up this ...
1
vote
0answers
33 views

Collision callbacks in a javascript engine [closed]

I'm making a game engine in javascript for Educational purpose. I already have the collision detection and collision response parts and are working fine, but i want to let the user define his action ...
2
votes
1answer
59 views

Is OnMouseUp()'s behavior intended?

Version: Unity3D 4.6.2f1 I have a grid of tiles (Cube GameObjects with a Tile script attached). They are positioned at their index location [x][y] = (x, y, z=0) World Coordinates. Below, I try to ...
0
votes
1answer
76 views

Collision response callback

First at all, I'm not asking how to handle or detect collision. I already have that. My actual situation is, I have a system collision and I detect the collisions. Every collision detected is store ...
4
votes
3answers
314 views

Callback on Derived Class?

How does Unity3D implement their system where if a class is derived from MonoBehaviour and has certain methods like Awake() or Update(), they are called accordingly? I want to do a similar system for ...
0
votes
2answers
877 views

How do I create a message box that fires a callback on button press?

I need to create a message box with an "OK"-button. When the user touches the button, it should execute a callback. I'm new to this and couldn't find any articles in the docs.
0
votes
1answer
645 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 ...
-1
votes
1answer
455 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 ...
1
vote
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 ...
0
votes
1answer
442 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.
3
votes
1answer
223 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 ...
1
vote
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 ...