Messages

46

General discussions / Re: SFML 3 - What is your vision?

« on: April 30, 2014, 03:47:04 pm »

For me is about prototyping and fast development and trashing.  .....  Maybe I should not use SFML for that purpose and using something like unity or gamemaker. But I like C++ and SFML 

For protoypes it's better to use a lua based framework. My favorite one is gideros mobile.

47

General discussions / Re: SFML 3 - What is your vision?

« on: April 29, 2014, 03:18:52 pm »

There was a problem with sf::sleep. Some programs like Chrome modify the FPS.

http://en.sfml-dev.org/forums/index.php?topic=10231.0

I had the same problem using sf::sleep to wait in the main loop. This should be solved in SFML 3.0

48

General discussions / Re: SFML 3 - What is your vision?

« on: April 28, 2014, 06:02:07 pm »

- Scripted quest system

I think this is way too specific for a library. I can think of many games (let alone applications) that would never, ever need this. A lot of game engines (which SFML is not) don't even go to these sorts of lengths.

Yes it is.

Abstract that could be difficult but challenging,

49

General discussions / Re: SFML 3 - What is your vision?

« on: April 28, 2014, 05:45:29 pm »

- Change the developement direction to a game programming framework not being only a media layer.
- Integrate thor library
- Create an entity system
- Create a TiledMap class
- Messaging systems
- Lua scripting class that exposes entities, camera and the map
- Scripted quest system


One way to do it it's create another layer.

50

General discussions / Re: Creating Action-RPG using SFML

« on: April 16, 2014, 12:56:02 am »

http://www.solarus-games.org/

You have this engine that is open source to take a look and see how difficult could be to program an action rpg like "Zelda: a link to the past".

51

SFML projects / Re: Thor 2.0

« on: December 25, 2013, 04:40:52 pm »

Now I avoid the unnecesary copies.

std::mt19937 mt;
std::uniform_real_distribution<float> distr(1.f, 3.f);

auto randomizer_lambda = [&distr, &mt]
{
        return sf::seconds(distr(mt));
};

thor::UniversalEmitter emitter;
emitter.setParticleLifetime(randomizer_lambda);

 

52

SFML projects / Re: Thor 2.0

« on: December 25, 2013, 03:38:30 pm »

Thank you, it works. I tried to do the same with lambda and works as well.

auto randomizer_lambda =
[]()
{
        std::uniform_real_distribution<float> distr(1.f, 3.f);
        std::mt19937 mt(std::chrono::system_clock::now().time_since_epoch().count());
        return sf::seconds(distr(mt));
};

emitter.setParticleLifetime(randomizer_lambda);

53

SFML projects / Re: Thor 2.0

« on: December 25, 2013, 03:06:54 am »

Hello I'm new with this library and in the forum. I cannot see the option to insert code.


I'm dealing with the particle system and learning all about it. I read that you can create your own distributions and apply it to the particles properties like the lifetime, rotation, position, etc.

For example:

thor::UniversalEmitter emitter;
emitter.setParticleLifetime(thor::Distributions::uniform(sf::seconds(1.f), sf::seconds(3.f)));

I tried to make the same but with my own distribution following the documentation.

unsigned int seed = std::chrono::system_clock::now().time_since_epoch().count();
std::mt19937 engine(seed);
std::uniform_real_distribution<float> distr(1.f, 3.f);
auto randomizer = std::bind(distr, engine);
thor::Distribution<float> thorDistr(randomizer);

thor::UniversalEmitter emitter;
emitter.setParticleLifetime(sf::seconds(thorDistr()));

 

This solution gives the same lifetime to all the particles, therefore it fails.

I think that I must use something like this but the library doesn't allow to do it or maibe I don't know how to implement it correctly:

unsigned int seed = std::chrono::system_clock::now().time_since_epoch().count();
std::mt19937 engine(seed);
std::uniform_real_distribution<float> distr(1.f, 3.f);
auto randomizer = std::bind(distr, engine);
thor::Distribution<sf::Time> thorDistr(randomizer);

thor::UniversalEmitter emitter;
emitter.setParticleLifetime(thorDistr().asSeconds());

 

Do you how I can implement it?