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

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1answer
345 views

AS3 eventListener not working [closed]

I am making a game with as3. I have a Mian Class.In its main function i am putting a movieClip stored in a variable named btn and attaching an EventListener to it for CLICK which envokes a function ...
1
vote
1answer
340 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?
0
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2answers
141 views

How to design reward and points system?

There are few events in my game, like complete levels , complete puzzles , kill enemies and so on. Each such event will reward the player points and bonus powers. Now each "master" task (for example ...
2
votes
2answers
2k 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 ...
4
votes
1answer
221 views

EventManager adding data to the event message

Some backstory: I decided it was time to start making a game. I've got a bachelor degree in computer sciences, but I didn't really get to code much during my studies. I've started making a quick ...
3
votes
1answer
1k views

When one should use events in Unity and how they impact performance?

let's say that inside an OnGUI() script we want to call a method from another script to handle a particular situation. From a prestational point of view, what's the difference between these 3 ...
1
vote
1answer
127 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 ...
2
votes
1answer
361 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 ...
0
votes
1answer
687 views

Why does this code to filter events with SDL not function properly?

According to the SDL2 wiki, SDL_SetEventFilter : Use this function to set up a filter to process all events before they change internal state and are posted to the internal event queue. ...
3
votes
1answer
1k views

How can I detect mouse events on sprites in a canvas?

I'm making an HTML 5 game. I want mouse clicks on sprites drawn in a canvas element cause events that my code can react to. At the moment, I'm doing it by checking through all of my sprites in a ...
0
votes
2answers
270 views

How can I regulate update and event frequency?

I'm trying to create a small 2D RPG-type engine using C++, SDL/OpenGL and Tiled. My little demo looks very similar to a Pokemon or Zelda game. I was curious how to go about regulating FPS and how ...
1
vote
1answer
260 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 ...
1
vote
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 ...
-1
votes
1answer
132 views

A custom method for events [closed]

Basically what I am trying to do here is to create an event system for a simple game engine I am working on. I'm trying to make this program as platform independent as possible with the C++ language ...
-1
votes
1answer
128 views

Advice on developing a random event engine [closed]

I am looking into creating a random event engine like the one found in the Paradox Interactive’s Europa Universalis franchise. They use a ‘mean time to happen’ mechanic that applies various ...
2
votes
1answer
914 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
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 ...
7
votes
2answers
362 views

Where to put Entity Death Events in a Component/System Design

Entities in my game are nothing more than a collection of components, tied together with an entityID. I have (near) data-only components, and systems that work on the data. One of these components is ...
4
votes
2answers
2k views

How to implement an event system

Im trying to implement an Event System for a game, where there are classes that can fire or handle an event wheter or not they implement these interfaces: public interface IGameEvent<T> where T ...
5
votes
4answers
4k views

Game loop on windows

I have seen different "basic" game loops both from books like "Introduction to 3D game programming with DX11" or online tutorial ( Rastertek ) and if we take off all the fancy stuff to control ...
3
votes
3answers
1k views

Effective way to check if an Entity/Player enters a region/trigger

I was wondering how multiplayer games detect if you enter a special region. Let's assume there is a huge map that is so big that simply checking it would become a huge performance issue. I've seen ...
4
votes
1answer
170 views

Time critical events based on framerate

Problem Description Basically, I've made a "programming game" in which I've made my own scripting language. It is a completely standard Lunar Lander game, though instead of directly controlling the ...
-1
votes
2answers
223 views

UnityScript generating UnityEngine error

I have the following code set out for a simple animation in Unity: #pragma strict function Start () { } function Update () { if (Input.GetButtonDown("KeyCode.W")){ ...
1
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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 ...
0
votes
1answer
213 views

Problem with Widget Event Reporting in Libgdx

So I'm trying to test an ImageButton on an Android device. I can get the button to appear on the screen, but when I press it nothing happens or appears on the log. Here is what I have in the Show() ...
4
votes
1answer
176 views

Game State and Configuration via Events

Often "singletons" are problematic for testing, so with my next game I'm trying my best to avoid them. But there is bunch of data (configuration or game state information) that different parts of my ...
3
votes
3answers
2k views

Unable to detect continuous keypress event in SDL

I am developing a game using SDL, and am unable to do continuous motion for my object when a key is held down. I'm calling SDL_PollEvent() to retrieve all events during a frame, and passing each ...
0
votes
2answers
471 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 ...
2
votes
3answers
2k views

Creating Rectangle-based buttons with OnClick events

As the title implies, I want a Button class with an OnClick event handler. It should fire off connected events when it is clicked. This is as far as I've made it: public class Button { public ...
3
votes
0answers
74 views

Check key state or listen for event? [duplicate]

Possible Duplicate: Polling vs event driven input I'm trying to teach myself a bit of game development using Pygame, and I'm unsure what's the best way to approach some of the fundamental ...
0
votes
1answer
740 views

Am I doing this node.js game loop wrong?

I have 2 arrays of JSON objects, actions and game objects. At any time a user can make a request from the client which can add an action to the actions array. I have a setInterval(function(){ }, ...
1
vote
0answers
87 views

Collision detection code style [closed]

Not only there are two useful broad-phase algorithms and a lot of useful narrowphase algorithms, there are also multiple code styles. Arrays vs. calling Make an array of broadphase checks, then ...
2
votes
1answer
401 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 { ...
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votes
1answer
163 views

How do I set an event off when player is on certain tile?

Here is the code I use to create and print my map to the canvas: var board = []; function loadMap(map) { if (map == 1) { return [ ...
1
vote
2answers
299 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 ...
2
votes
1answer
103 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) { ...
1
vote
2answers
329 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 ...
1
vote
2answers
421 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 ...
0
votes
1answer
178 views

Creating a newspaper that effects the game's economy?

I am writing a game in Objective C/cocos2d where a newspaper is a central part of what controls or rather effects the game's world economy as well as what a city might do (such as increase X, reduce ...
1
vote
1answer
220 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 ...
2
votes
2answers
988 views

pointers to member functions in an event dispatcher

For the past few days I've been trying to come up with a robust event handling system for the game (using a component based entity system, C++, OpenGL) I've been toying with. class EventDispatcher { ...
1
vote
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 ...
2
votes
2answers
146 views

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. ...
6
votes
4answers
1k views

Game Clock Precision

I'm reading a fantastic article about game timer precision and here is a quote about 2/3 of the way into the article: If you start your game clock at about 4 billion (more precisely 2^32, or any ...
1
vote
0answers
618 views

Corona sdk events dispatched with dispatchEvent() are handled directly upon call. Why so? [closed]

I noticed to my surprise that an event created with dispatchEvent(event) gets handled directly when called, and not together with other events at a specific phase of the frame loop. Two main reasons ...
2
votes
4answers
4k views

SDL - Getting a single keypress event instead of a keystate?

Right now I'm working on a simple SDL project, but I've hit an issue when trying to get a single keypress event to skip past a splash screen. Right now, there are 4 start-up splash screens that I ...
1
vote
1answer
718 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 ...
2
votes
2answers
639 views

Simulating probability

Stupid stupid question but here we are.. so, I want to generate some random events for an iPhone game but I guess this could be applied to any game written with a framework that suppports calls to ...
4
votes
6answers
2k views

Should my game handle collisions in the Player object?

I'm making a 2D platform game. Right now I'm just working on making a very generic Player class. I'm wondering if it would be more efficient/better practice to have an ActionListener within the Player ...
1
vote
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 ...