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资源说明：Smaller or bigger examples that I've written or will write in the future in C++.
# Examples Every now and then I sit down and try out some features of some library, C++ itself or with SFML. Instead of letting those code fragments go to waste somewhere on my disk or get lost in the depth of the SFML forum, I decided to put them openly and centralized here on GitHub for everyone to see, share and learn from them. Keep in mind that the code is provided as-is and isn't necessarily suited for your final product, as not a lot of thought was put into performance or code design. ## zlib ### [gzip Decompression](https://github.com/eXpl0it3r/Examples/blob/master/zlib/GzipDecompression.cpp) zlib is a small and useful library which allows the compression and decompression of data. By applying some settings it's possible to let zlib decompress a gzip file, which this examples demonstrates by loading a file into memory and output the decompressed data to standard output. ## SFML ### [Center Text](https://github.com/eXpl0it3r/Examples/blob/master/SFML/CenterText.cpp) One of the most common questions you'll run into on the SFML forum is how to center a `sf::Text` object inside a shape, or more commonly, a button. Because `sf::Text` aligns itself to the baseline instead of the visual top/bottom, it tends to be more confusing that working with shapes and sprites. In order to get it working properly, you have to take into account the `LocalBounds` as is shown in the given example.  ### [Fading Dots](https://github.com/eXpl0it3r/Examples/blob/master/SFML/FadingDots.cpp) This was originally created as a test for [this thread](https://en.sfml-dev.org/forums/index.php?topic=9350.0) (or was it [this one](https://en.sfml-dev.org/forums/index.php?topic=9139.0)?), but since I kind of liked the result I adjusted a few things and uploaded it.  ### [Flashlight](https://github.com/eXpl0it3r/Examples/blob/master/SFML/Flashlight.cpp) Out of nowhere came suddenly all those requests (starting with [this one](https://en.sfml-dev.org/forums/index.php?topic=9210.0)) for subjective blending and I think, I could help a few people with my example on how to achieve what they wanted.   ### [Hue Shift](https://github.com/eXpl0it3r/Examples/blob/master/SFML/HueShift.cpp) Although I can't find the original SFML thread about this, I found the [StackOverflow question](https://stackoverflow.com/questions/11458552/cycle-r-g-b-vales-as-hue/) which was IIRC created before the forum thread. This effect can definitely give a nice ambiance, but it probably could need some retouching. Since the picture do not tell much: Starting off with one color the example automatically iterates through the whole RGB color spectrum in a smooth way.  ### [Lightning](https://github.com/eXpl0it3r/Examples/tree/master/SFML/Lightning) I had once read a tutorial in connection with SFML on how to create some nice 'laser' effect. Unfortunately I don't remember which blog/site this was on, because he was using some texture moving which made everything look even better. While doing a search to possible find that tutorial again, I found another similar piece of code [on the forum](https://en.sfml-dev.org/forums/index.php?topic=3189.0), adapted it for SFML 2 and made a nicer class out of it.  ### [Mixing SoundBuffers](https://github.com/eXpl0it3r/Examples/blob/master/SFML/MixingSoundBuffers.cpp) The other day in #learnprogramming on freenode someone was trying to implement a way to mix two audio files without actually playing them back. I wondered how something like that would work with SFML and thus went ahead an wrote a small example. A quick Google search on audio sample mixing brought me to [this site](https://atastypixel.com/how-to-mix-audio-samples-properly-on-ios/) and lead me to the current implementation. ### [Road](https://github.com/eXpl0it3r/Examples/blob/master/SFML/Road.cpp) I'm not sure if there ever existed a forum post or if the whole conversation happened on IRC, but someone wanted to make a 'scrolling' road and since I really liked that idea, I went ahead and implemented an example. The code here is particularly not that nice, so keep that in mind when adapting it.  ### [Rotating Triangle](https://github.com/eXpl0it3r/Examples/blob/master/SFML/RotatingTriangle.cpp) One of the age old questions by game development beginners is along the lines of "How do I rotate my player to face X?". This short example answers that question, by rotating a triangle (`sf::CircleShape` with three points) to wherever the mouse pointer is on the window.  ### [Rotating Vertices](https://github.com/eXpl0it3r/Examples/blob/master/SFML/RotatingVertices.cpp) This example answers the same question as the 'Rotating Triangle' one, but it uses a `sf::VertexArray` in combination with a `sf::Transformable`. It's a good foundation to see how one could start to implement an entity class deriving from `sf::Transformable` and `sf::Drawable`.  ### [Simple AABB](https://github.com/eXpl0it3r/Examples/blob/master/SFML/SimpleAABB.cpp) Every month there's at least one question on simple collision detection testing the last 'bigger' one with in [this forum thread](https://en.sfml-dev.org/forums/index.php?topic=9352.0), which lead to this example. I've even implemented some _very_ simple physics, which will fail in most situations, but you can at least move around and jump.  ### [Sound Recording](https://github.com/eXpl0it3r/Examples/blob/master/SFML/SoundRecording.cpp) Even though SFML has a [tutorial](https://www.sfml-dev.org/tutorials/2.5/audio-recording.php) and an [example](https://github.com/SFML/SFML/tree/master/examples/sound_capture) on sound recording, I wanted to have my own small demonstration of said feature with recording device selection and mono/stereo options. ## License All examples are under the zlib/png license and thus free to use. See the [LICENSE](https://github.com/eXpl0it3r/Examples/blob/master/LICENSE) file for more details.
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