A way of measuring time intervals for the purposes of triggering an action after some elapsed time.

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0
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1answer
3k views

Java High-Resolution Timer for a simple game

I want to work on a model of some kind of simple shape shooter game I would develop for either the desktop or the Android, using the libGDX library. There's something I want to incorporate into the ...
0
votes
2answers
2k views

Using System Time to compute delay times that correctly deal with app pauses?

In my Android app I have the requirement to introduce small (for slowing down animation) and larger delays (for the purpose of delaying the appearance of a character for example). I've experimented ...
8
votes
3answers
2k views

How to make something happen every N seconds in game?

I want to have something happen every N seconds, how would I do that? Maybe use a timer but how?
2
votes
1answer
150 views

Timestamps as ids in an entity manager?

I've built my own entity manager, as I found out some days ago, it is very similar to the Artemis framework. For now, I just use integers as entity ids. Behind the scenes, there is a simple integer ...
2
votes
3answers
631 views

Let a time counter working when an app is closed?

Can we let a time counter working even if an app is closed? I would like to add a timer so that we have to wait XX seconds/minutes before a building is created in a game. I don't want to use an ...
1
vote
1answer
248 views

how to calculate sky color hue in a specific way?

I have a day cicle in my game. I want to add a bluish hue to my terrain in the early morning and evening-night. I want to start transitioning from 0 hue color to the full hue color at 20 PM and reach ...
1
vote
2answers
2k views

Should I accumulate state time based on a global or a parameter?

Generally, we associate a "state time" with our sprites. Libgdx provides a method to do so: float deltaTime = Gdx.graphics.getDeltaTime(); However, in the main game loop, we have a delta time as a ...
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 ...
4
votes
3answers
2k views

Will running cron jobs every minute a good practice?

I'm trying to create a browser-based game (made in PHP, MySQL, Js, HTML, and CSS) that is heavily dependent on user's actions being carried out after a certain amount of time passed whether online or ...
3
votes
1answer
375 views

How to sync game tick in peer to peer game?

I am making a 2-player iphone action game using a synchronization service (in this case Firebase). The service allows state syncing through the internet, but I have to execute all game logic on the ...
1
vote
1answer
250 views

What tech will enable a script to run after a certain amount of time elapsed following a user's action?

I'm trying to experiment in creating an MMO browser-based game using PHP, MySQL, Javascript, HTML5, and CSS. There is this certain functionality that I want in my game that I'm having trouble with. ...
0
votes
1answer
180 views

Repeating Sound with Timer in Actionscript 3

I'm working on a Flash game and am trying to figure out how to repeat a sound periodically every 17 seconds. Instead, of having the sound repeat once the .mp3, .wav, finishes. The problem I'm running ...
-1
votes
2answers
500 views

Start timer in two clients the same time

I want to create a client/server turned-based game where each player will have 5 seconds in order to play. If extends this time will be other player's turn to play. In order to do this, I have created ...
8
votes
2answers
4k views

Java 2D game programming: Different approaches to make a game loop

I am new to Java game programming, but the more I read the more I'm confused, because I've seen several different approaches to make a game loop: 1. The standard approach, that uses the Timer class ...
1
vote
1answer
115 views

Can't call method out of a timer. Why? [closed]

I have another problem i can't solve by myselve. My situation: I have four FrameLayouts in LinearLayouts. I color them, set Layout hight and width at wrap content and just change the minwidth to ...
-1
votes
1answer
119 views

GameTimer too fast, Objects staying intersected and rand not returning value inbetweem min and max [closed]

So I'm developing a game called PongBreakout in c++ using a game engine i got from uni (when i was there..) I've got a few problems with my game that i'm struggling to fix and need some help to figure ...
2
votes
2answers
511 views

Lockstep Game Loop

I have an XNA game using a basic lockstep update loop. The client sends all commands to the server, and updates only if it has received the next turn's commands from the server. When does a turn end? ...
4
votes
2answers
786 views

C++/OpenGL Game - How to Make it Compatible with Screen Recorders?

I'm developing a 3D tower defense-like game in C++/OpenGL on Windows. The problem I'm having isn't about the game itself (the game runs fine), but it's about using screen recording software to record ...
0
votes
2answers
499 views

Using timer to reverse enemy movement in Flash game made with Flixel

I am creating a 2d flash game using Flixel 2.5 in Flash Builder. I am trying to reverse enemy movement on an interval so that they will move back and forth over a set space. I felt that a timer would ...
1
vote
1answer
271 views

C++ Using clock() with IsKeyDown

I am trying to replicate the game Asteroids as a class project. I am having trouble measuring the time elapsed while the "W" key is pressed. This code is supposed to increase the force applied to the ...
2
votes
1answer
234 views

Could the delta frame time be negative?

I'm following a tutorial about the time management and, the tutorial shows this function: double GetFrameTime() { LARGE_INTEGER currentTime; __int64 tickCount; ...
2
votes
5answers
5k views

Game Timer In C++

I need to be able to find out how many milliseconds since that last update. Is there any way I can find it out with time rather then a thread that counts like I did below? #include <iostream> ...
-1
votes
1answer
681 views

Animation Trouble with Java Swing Timer - Also, JFrame Will Not Exit_On_Close [closed]

So, I am using a Java Swing Timer because putting the animation code in a run() method of a Thread subclass caused an insane amount of flickering that is really a terrible experience for any video ...
1
vote
3answers
1k views

How to rotate to a target position over time

I know how to do rotations to vectors, but how do I rotate over time? For instance say I made a function RotateTo(vec2 iPosition, float iTime); so it rotates to iPosition over iTime - how would ...
1
vote
1answer
7k views

How can I make a C++ countdown timer that doesn't freeze user input? [closed]

I'm planning to use the Sleep() function to implement a countdown timer. But this freezes the input of the user at the same time. Thus I wanted to ask if it is possible to have the countdown still ...
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
1answer
302 views

random spike in delta time

The title pretty much sums it up. I'm using delta time to move my objects and every few seconds the delta time will spike and all the objects will jump forward. Should I just Interpolate the delta ...
4
votes
4answers
756 views

Game programming and quantity of timers

I've made a simple 2D game engine using C# and DirectX and it's fully functional for the demo I made to test it. I have a Timer object that uses QueryPerformanceCounter and I don't know what's the ...
-2
votes
4answers
2k views

Best C++ Portable time library for game development [closed]

I'm venturing into the dark world of portable development and I'm looking for a nice library to keep track of system time for all game events. So far I've turned to trust boost and found: This boost ...
0
votes
1answer
2k views

How can you run events after a set amount of time in SFML 2.0?

I've been using SFML 1.6 for a while and recently upgraded to 2.0, apparently there's a new sf::Time type however I'm clueless as to how I can achieve running of a certain function after a set amount ...
6
votes
2answers
458 views

Game resource timers - general implementation

I'm interested in understanding how resource generation timers work on many of the mmorts type games out there. I can't wrap my head exactly around how the timers are synched with servers, especially ...
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
3answers
822 views

Will having many timers affect my game performance?

I'm making a game for android, and earlier today I was trying to add some cool stuff to my game. The problem is this thing needs like 5 timers. I build my timers like this: timer += deltaTime; ...
4
votes
4answers
402 views

Playing a death anim on an enemy that I want to remove

I've been trying to find a tutorial on how to best make animations in Android. I already have some animations for my enemies and my character that are controlled by rectangles and changing ...
4
votes
1answer
575 views

Android Java: Way to effectively pause system time while debugging?

In my project, I call nanoTime and use that to get a deltaTime which I pass to my entities and animations. However, while debugging (for example, stepping through my code), the system time on my ...
3
votes
1answer
1k views

android game performance regarding timers

Im new to the game-dev world and I have a tendancy to over-simplify my code, and sometimes this costs me alot fo memory. Im using a custom TimerTask that looks like this: public class Task ...
2
votes
1answer
284 views

What are the factors that determine the default frequency of a shader call?

After i have been played for some days with various vertex and fragments shaders seems clear to me that this programs are called by the GPU at every and each rendering cycle, the problem is that I ...
1
vote
1answer
473 views

High Resolution Timer Options in Windows

I'd like to know what are my options for high resolution timer in Window. I want a timer with at least 1ms precision since I need it for a rhythm game. I'm using QueryPerformanceCounter now, but I ...
0
votes
1answer
1k views

Periodic updates of an object in Unity

I'm trying to make a collider appear every 1 second. But I can't get the code right. I tried enabling the collider in the Update function and putting a yield to make it update every second or so. ...
3
votes
3answers
2k views

HTML5 Canvas Game Timer

How to create good timer for HTML5 Canvas games? I am using RequestAnimationFrame( http://paulirish.com/2011/requestanimationframe-for-smart-animating/ ) But object's move too fast. Something like ...
0
votes
2answers
1k views

Timer for pop up text in XNA

I am making an xna game which contains turn-based RPG battle elements. Any good game that features turn-based battle has to have a good feedback to the user. For example, When my guy attacks, there ...
1
vote
1answer
964 views

Countdown Timer for Racing Game

I want to make a countdown timer for my racing game such as "3... 2... 1... GO!" I'm using GLUT, OpenGL, and C++. I was wondering what the most appropriate method to handle this in C++. clock()? ...
4
votes
5answers
379 views

Game Loop Problem - Growth and Recharge as Integer Values

I have a question about game loops. I understand that you shouldn't have a static loop, say 100ms and set something's speed to 1px/frame so it moves 10px/sec. You should have a speed and multiple that ...
0
votes
2answers
3k views

As3 Random movieclips from an array to the stage

For a game with orders and clients I was trying to create the following situation: Every half minute, a client should appear at the counter. In this case I have an array with 4 movieclips (4 ...
2
votes
2answers
305 views

How can I animate a recursive algorithm?

Say I have a recursive algorithm, for example one that generates a random tree: // Pseudocode, just a simple algorithm: it isn't perfect. function generate_branch(angle, length, current_depth, ...
2
votes
1answer
209 views

Gameserver travel time checks

I'm making a little RPG multiplayer game where each player can travel long distances. Traveling from point A to B can take up to 10 minutes and – once initiated – is an automatic process. Now, I am ...
2
votes
2answers
299 views

For timed levels, how do you determine time steps that are less than 1/(frames per second)?

I have made a simple HTML5 racing game. The laps are timed. I am running the game are 40 frames per second, each frame represents 40 milliseconds. There for my timer will increase in 0.025 ...
3
votes
2answers
310 views

Variable-step update() in game loop is falling behind, how can I get around this?

I'm working on a minimal game engine for my next game. I'm using the delta update method like shown: void update(double delta) { // Update code that uses `delta` goes here } I have a deep ...
1
vote
1answer
386 views

Time calculation between openGL update calls

In XNA, the system calls update and draw function with the time information. This contains information such as how much time has passed since last update was called. This makes easy to integrate time ...
4
votes
2answers
1k views

Execute code at specific intervals, only once?

I am having an issue with XNA, where I want to execute some code in my Update method, but only at a given interval, and only once. I would like to avoid booleans to check if I've already called it ...