The timing tag has no wiki summary.
14
votes
5answers
486 views
How to tie a bullet release with a firing animation
Lets say you have an animation that you want to happen when firing a bullet. How would you get the bullet to show up at the end of the animation. The only thing I can figure out is to know the time ...
11
votes
2answers
376 views
Ghost replay - storage and timing
I am working on a car race game and just implemented a ghost sprite for replaying past races.
I use a physics engine and after much reading I came to the conclusion that the best way to store the ...
10
votes
3answers
967 views
How can I implement a “fast-forward” feature in my game?
How can I implement the fast forward feature for my tower defense game like in http://fieldrunners.com/ and other TD games?
I am using Unity 3D. Would there be something to manage fewer frames per ...
6
votes
2answers
309 views
Is it possible to have concurrent collision detection where every entity acts at exactly the same time?
There are many algorithms that can be used for collision detection. In many cases we check for an overlap in coordinates of an entity.
If we make a triangle a,b and c. We have 2 entities at a and b ...
5
votes
2answers
634 views
Splitting a tetris game apart - where to put time-management?
I am creating a tetris game in C++ & SDL, and I'm trying to do it "good" by making it object-oriented and keeping scopes small. So far I have the following structure:
A main with some lowlevel ...
5
votes
1answer
393 views
When to detect collisions in game loop
My game loop uses a fixed time step to do "physics" updates, say every 20 ms. In here I move objects. I draw frames as frequently as possible. I work out a value between 0 and 1 to represent the ...
4
votes
1answer
118 views
ID3D Query Where should I put them?
I'm currently trying to time different parts of my rendering to see how long it takes. I've got the queries working and I'm getting some results.
My question is where should I actually start and end ...
4
votes
2answers
260 views
How to store the state of the world for a fixed time step?
Most of the posts on fixed time steps say something like this:
State previous;
State current;
while ( !quit )
{
double newTime = time();
double frameTime = newTime - currentTime;
if ( ...
3
votes
2answers
413 views
Time granularity for games
So far I've always used a time granularity of 1 msec (that's it, 1 millisecond is the atomic time unit).
I'm wondering if this is always fine, or if for some cases (some specific games, game ...
3
votes
2answers
281 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 ...
2
votes
2answers
358 views
How to slow down a sprite that updates every frame?
I am going through a Allegro 5 tutorial which has a game loop.
There is also a variable "active" which determines if a key is being held down. Thus if the left key is being held down active is on and ...
1
vote
1answer
277 views
What time to display in text messages in multiplayer game?
Say I'm having a multiplayer RTS game. There's a main server for each individual game and several clients connected to it. All packets are sent to server first and then server retransmits them back to ...
1
vote
2answers
381 views
Frame timing for GLFW versus GLUT
I need a library which ensures me that the timing between frames are more constant as possible during an experiment of visual psychophics.
This is usually done synchronizing the refresh rate of the ...
1
vote
4answers
114 views
Timing - use individual timer for every task or global timer?
I'm writing a game, where a player controls a spaceship.
It regenerates energy over time. So I need to make a little timer that adds certain amount of energy to the pool per second.
My enemies also ...
1
vote
3answers
135 views
Shooting intervals with variable framerates
lets say i have a gun which fires at a rate of 10 shots every seconds.
so i every gameloop frame, i check if the necessary time has passed and instantiate a new shot.
now what if the framerate of ...
1
vote
1answer
129 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 ...
1
vote
1answer
268 views
Stuck at enemy movement
I am making a TD game in unity, Initially I made all of my enemy movements frame rate dependent say:
I had a grid point1 at -22.65 and other at -21.1, diagrammatically:
(-22.65) ...
1
vote
1answer
269 views
using std::chrono::steady_clock for timing
I was wondering if it would be a good idea to use the steady_clock class (in the C++ std libraries) for game timing.
What are the pros/cons of using it as opposed to using a game library's timing ...
0
votes
1answer
141 views
Passing elapsed time to the update function from the game loop
I want to pass the time elapsed to the update() method as this would make easy to implement the animations and time related concepts.
Here's my game-loop.
public void gameLoop(){
boolean running ...
