Event is action that is usually happenes "outside" of main program thread, but handled inside of it.

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How do I drag my widgets without dragging other widgets?

I have a bunch of drag-able widgets on screen. When I am dragging one of the widgets around, if I drag the mouse over another widget, that widget then gets "snagged" and is also dragged around. ...
2
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2answers
248 views

Event error: “…can only be called from the main thread”

I have some custom networking classes which I'm trying to use in a unity game (c#). The network class raises events, which I want to subscribe to in the game code. However, whenever I try to do ...
2
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4answers
1k views

Flash framerate reliability

I am working in Flash and a few things have been brought to my attention. Below is some code I have some questions on: addEventListener(Event.ENTER_FRAME, function(e:Event):void { if (KEY_RIGHT) ...
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1answer
386 views

Why game loop should be running on a separate thread?

I am struggling to fully understand the responsiveness argument suggesting to run the game loop on a separate thread other than main thread. When OS sends a user event (touch, mouse move, etc.) it ...
2
votes
1answer
128 views

Any problems with Event usages within XNA on Xbox/Phone

This is a slightly vague one but I am currently looking at a couple of areas of my current framework, such as spatial partitioning and UI based menus, and with UI menus it makes sense to have an event ...
2
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2answers
207 views

Reconciling external events with the game loop

Is there any way I can program (in Java or Python, but open to other solutions) some game logic based on events, timed and sent by player input, without dealing with it inside the game loop, by having ...
2
votes
1answer
822 views

How to subscribe to an event fired from any Instance/Object of type X

I'm currently working on a small game-engine and i'm kinda stuck on finding the right pattern to subscribe to an event fired from any instance of type X.To understand what i'm trying to achieve, here ...
2
votes
2answers
3k views

Adding touch/click event to a bitmap in android

In my android game, there is a surfaceview which has 36 bitmaps drawn on it. I want to change the bitmaps when they are touched. Is there a way implement touch or click event to the bitmaps ? Adding ...
2
votes
1answer
966 views

LibGDX Scene2D event handling and bounding box relative to the center of a TextureRegion

I'm experimenting with Scene2D to see if it fits fot the game I want to develop. Say I have an Actor with the origin in the center of its TextureRegion. My setup method contains this code: float ...
2
votes
1answer
181 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 ...
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2answers
1k views

Event Driven Behavior Tree: deterministic traversal order with parallel

I've studied several articles and listen some talks about behavior trees (mostly the resources available on AIGameDev by Alex J. Champandard). I'm particularly interested on event driven behavior ...
2
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1answer
2k views

Input events slow on unity Update function

I have this running on the Update() on Unity. I am trying to create a page swipe feature on my game, but the problem is there is a half second delay when printing "dragging" to "end drag" when I ...
2
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1answer
413 views

Handling game logic events by behavior components

My question continues on topic discussed here I have tried implementing attribute/behavior design and here is a quick example demonstrating the issue. class HealthAttribute : public ActorAttribute { ...
2
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1answer
104 views

How to apply effects that occur (or change) over time to characters in a game?

So assume that I have a system that applies Effects to Characters like so: public class Character { private Collection<Effect> _effects; public void AddEffect (Effect e) { e....
2
votes
1answer
76 views

How can I model AI Interactions across the entire game world without computing them individually? [duplicate]

I'm making a 2D top-down tile-based game in C++ using SDL2. The game uses a very large world map (think Dwarf Fortress). My world terrain is generated using a noise function, another function is ...
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2answers
455 views

what is the best way to use loops to detect events while the main loop is running?

I am making an "game" that has pathfinding using pygame. I am using Astar algo. I have a main loop which draws the whole map. In the loop I check for events. If user press "enter" or "space", random ...
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4answers
1k views

How do I respond to keyboard events which occur between polling?

In my games update loop, which happens on a fixed timestep of 30 times per second, I am checking the current state of several keys to determine how to move the player. For example: if(Keyboard.down(...
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2answers
331 views

Coding Dynamic Events?

I have no idea what the title of this question should be so bare with me. My game has turns. On a turn a player does something and this can result in a random number of explosions that occur at ...
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3answers
2k views

Efficiently checking input and firing events

I'm writing an InputHandler class in XNA, and there are several different keys considered valid input (all of type Microsoft.XNA.Framework.Input.Keys). For each key, I have three events: internal ...
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1answer
137 views

How to implement specific custom events in an Event Condition Action (ECA) game system?

A while ago I implemented a simple event-condition-action system for my game trying to emulate the Warcaft 3 trigger system (in a small scale, of course): So far, it works fine, but there is ...
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3answers
5k views

How to create / draw clickable object (such as Button in WinForm) in XNA WP8?

I am developing a 2D (No 3D in every aspect) Windows Phone 8 turn based tactical games for my college project. I use Monogame. I want to draw an object similar to Button in windows form, that if the ...
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1answer
1k views

Using Event Driven Programming in games, when is it beneficial?

I am doing a refresher on ActionScript 3. Other than using rudimentary tools like, Event.ENTER_FRAME and using events to receive input from the user's mouse and keyboard, I find that I rarely use ...
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1answer
165 views

How can I throttle certain player actions?

Background I have a variable time step, component based game, with components that collectively hold an entity's properties and different systems that act on entities with certain required components....
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3answers
930 views

create an event for every enum value (game action handeling)

I'm currently working on creating an input-action system for my game. I simply wanted an easy way to map an ingame action to a certain key. I've managed to do so with the following method: Create a ...
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2answers
546 views

Problems with Creating Snake's Clone on Java

I'm creating Snake's clone. My app have too classes: Snake.java and Board.java. Right now I have three problems: 1) There are two constants - BOARDS_WIDTH, BOARDS_HEIGHT. They are meant to be ...
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2answers
223 views

Unity 5 Dynamic Button Creation with Event Parameters

According to the documentation, you cannot instantiate buttons except via prefab instantiate. http://docs.unity3d.com/Manual/HOWTO-UICreateFromScripting.html You might wonder why we don’t have a ...
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1answer
332 views

Event-/Input system with SFML: Cannot move diagonally in 2D

I am a beginner in anything with game development. I written a small prototype in which i can move a square around with the arrow keys. For that i use SFML. At the moment i experiment around with my ...
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1answer
374 views

How can I play an animation in response to an event?

I've written a script to play an animation, but it starts immediately as my level loads. Instead, I want it only to start when triggered by some event or after a given timeout. How can I do this?
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2answers
4k views

Keyboard and Mouse callbacks in GLUT

I'm using OpenGL via GLUT in Ubuntu. While writing text in a text editor, the first keystroke is printed immediately. But if we keep pressing the key, it waits for a moment and then prints a trail of ...
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2answers
507 views

Best approach for Event driven UI

Had an idea for a modification to a game, however the core functionality heavily involves UI, and the API for the mod is event based. The player will have there own custom data object, so I know one ...
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1answer
325 views

Unit selection - logic & screen communication

I'm building a game using SFML, with disconnected logic & screen systems that run on different threads and communicate through synchronised buffers. Now, this system worked perfectly well when I ...
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2answers
1k views

Flash Custom Events

I am working on a Flash Tower Defense game. I have a main game loop which is an eventListener for each frame. Whenever you gain money or lose a life, I want the GameUI to be updated to display this ...
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1answer
46 views

C++ SFML: Keypressed Event not registering half the time?

I have a very simple event handeling system at the moment. void LevelScreen::PollInput() { sf::Event event; while (pWindow->pollEvent(event)) { if (event.type == sf::Event::...
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1answer
279 views

Dynamic Events in an Entity Component System

My game makes extensive use of libGDX's Entity Component System Ashley, and my game world (including all levels and areas) is created with Tiled. In Tiled, I have an object layer where all of my ...
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1answer
97 views

SDL2 event mouse wheel trouble

it's been all day I have a problem getting mousewheel events properly in one of my program. I can make a program from scratch and it work properly, however as soon as i do the same things inside this ...
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1answer
141 views

How do I know what button was clicked? (Unity)

I have a prefabbed button (UI.Button) which I'm instantiating ten times: public void LayoutButtons() { GameObject newCanvas = Instantiate (canvas) as GameObject; for (int i = 0; i < 10; ...
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1answer
173 views

Event handling on own UI implementation in XNA

I´m creating a game in XNA with my own UI and its controls/components. Currently I have some problems with the event handling. Let me tell me the way I do it right now. Every object is handles as a ...
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1answer
296 views

Responding to mouse input on game objects

I'm trying to make a simple button in unity using a cube. My plan is for when the cube is highlighted that it will move towards the camera and be highlighted in a specific color and then when it is ...
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1answer
356 views

Andengine onAreaTouched TouchEvent not working - ACTION_OUTSIDE & ACTION_CANCEL

I have a simple problem. I have a button on the screen. I want isActionDown to push the button down, and isActionUp to push the button back up again and make my character jump. But the problem is if I ...
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1answer
130 views

How do I best solve multiple component modifications via a single event?

I'm trying to solve multiple component modifications via a single event. Is there a better way of handling this? I have an a label entity that cares about when a shield entity's hitpoints component ...
1
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1answer
274 views

Is the Key Bindings delay unavoidable in Java when pressing different directional keys quickly?

I've read just about every tutorial I can on why to use Key Bindings instead of implementing the KeyListener interface, including all the examples that show using a field to track the key event ...
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2answers
302 views

Events Driven Library XNA C#

Language: C# w/ XNA Framework Relevant and Hopefully Helpful Background Info: I am making a library using the XNA framework for games I make with XNA. The Library has a folder(Namespace) dedication ...
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1answer
221 views

Building a touch event driven UI from scratch: what algorithms or data types? [closed]

I have a touch display. As input I can receive the coordinates and how many touch points are in use, basically I just get an X,Y couple for every touch event/activated point at a customizable rate. I ...
1
vote
1answer
737 views

User input in game loop

I am building a simple multi-player fly-around-a-3D-world game in Javascript/webGL/websocket (Chrome, Firefox mostly). How should I handle and process user input? My preliminary design (untested) is ...
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vote
1answer
20 views

click event not registered for an actor inside stacked cell within a table in libgdx

In the following code segment, the click event for image element is not registered. However, if i comment out stack.add(shapeLabel) statement, then the image button is able to register the click event....
1
vote
1answer
50 views

Correctly creating/handling events for keypress in MonoGame C#

I'm having trouble finding the best approach to registering an instantaneous user key-press with MonoGame (where the key has been held down and then released), using events in C#. Unlike the click of ...
1
vote
1answer
41 views

SDL2 SDL_PollEvent endless polling on key hold

What is wrong with SDL2 SDL_PollEvent() function? When I press-and-hold a key it enters "while (SDL_PollEvent())" block each frame. If in previous frame event queue was emptied and in new frame I ...
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0answers
46 views

Unity: onEditEnd and onSubmit only firing from Return key

I have an InputField in my UI, but currently I can only submit its contents via the Return key. I tried mapping other buttons to the Submit action (e.g. the tab key on keyboard and the X button on my ...
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0answers
15 views

How to attach “exiting” event in OpenFL?

What is the exiting event (closing app by user or system) in new OpenFL? And how does it differs between target platforms?
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vote
0answers
847 views

Colliding without physics in Unity: is it possible to put OnTriggerEnter in the moving character?

My main question is: is it possible to put OnTriggerEnter in a script that goes attached to the moving character instead of to trigger area/object? Let me explain my exact need. I want to detect the ...