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R/ (0, 2022-11-30)
R/RcppExports.R (73987, 2022-11-30)
R/audio_stream.R (130, 2022-11-30)
R/bone_info.R (124, 2022-11-30)
R/bounding_box.R (2718, 2022-11-30)
R/camera_2d.R (3798, 2022-11-30)
R/camera_3d.R (4661, 2022-11-30)
R/color.R (3235, 2022-11-30)
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R/extra.R (2160, 2022-11-30)
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R/material.R (122, 2022-11-30)
R/material_map.R (3125, 2022-11-30)
R/mesh.R (114, 2022-11-30)
R/model.R (116, 2022-11-30)
R/model_animation.R (136, 2022-11-30)
R/music.R (116, 2022-11-30)
R/npatch_info.R (4594, 2022-11-30)
R/ray.R (2505, 2022-11-30)
R/ray_collision.R (3812, 2022-11-30)
R/raylibr-package.R (201, 2022-11-30)
R/rectangle.R (3443, 2022-11-30)
R/render_texture.R (3297, 2022-11-30)
R/shader.R (118, 2022-11-30)
R/sound.R (2588, 2022-11-30)
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# raylibr This R package wraps [Raylib](https://www.raylib.com/), a simple and easy-to-use library to enjoy videogames programming. ## Installation You can install the development version of `raylibr` from [GitHub](https://github.com/) with: ``` r remotes::install_github("jeroenjanssens/raylibr") ``` `raylibr` is tested regularly on macOS, Linux, and Windows. ## Features Raylib, the C library that the `raylibr` package wraps, enables you to work with: - Real-time 2D and 3D graphics - Keyboard and mouse interactivity - Music and sound effects - Physics simulations and collision detection - Animated models and shaders - Multitouch, gesture recognition, and even VR headsets The `raylibr` package allows you to do all of this from R, and adds the following usability improvements for R users: - Function and class names are in snake\_case (instead of PascalCase used by Raylib) - Use R vectors and matrices (they’re automatically converted to Raylib’s `Vector2`, `Vector3`, etc.) - Vectorized drawing functions (enjoy buttery-smooth animations by letting C++ do the looping) - Use R color names (e.g., use `"hotpink"` instead of `0xff69b4ff` or `list(r = 255, g = 105, b = 180)`) - Use only 8 keys to get started (because `raylibr` is an anagram of `library`) ## Examples Here’s a “Hello, World!” script to give you an idea of how to use `raylibr`. You can run this script using `demo("helloworld", package = "raylibr")`. ``` r library(raylibr) init_window(600, 400, "R & Raylib: Hello, World!") while (!window_should_close()) { alpha <- abs(sin(get_time())) begin_drawing() clear_background("black") draw_circle(300, 200, seq(150, 10, by = -10), c("red", "white")) draw_text(c("hello,", "world!"), 225, c(120, 220), 64, fade("black", alpha)) draw_fps(10, 10) end_drawing() } close_window() ``` This script produces the following animation: While basic, it illustrates how to create a window, how to draw shapes (in a vectorized manner), and how to work with colors. Just imagine what you can do if you add a little keyboard interactivity and some sound effects! Below are a few more examples to whet your appetite. Run `demo(package = "raylibr")` to see all available demos in R or visit [Raylib’s examples page](https://www.raylib.com/examples.html) to see even more examples in C. ### Build your own raycaster Run `demo("raycaster", package = "raylibr")` to reminisce the 90s and learn how raycasters work. Source: [`demo/raycaster.R`](https://github.com/jeroenjanssens/raylibr/blob/HEAD/demo/raycaster.R) ### Play a game of snake Run `demo("snake", package = "raylibr")` to play this game. Use the arrow keys to control the snake. Source: [`demo/snake.R`](https://github.com/jeroenjanssens/raylibr/blob/HEAD/demo/snake.R) ### Load 3D models and apply post-processing shaders Run `demo("model", package = "raylibr")` to play this demo. Select a different shader with the left and right arrow keys. Source: [`demo/model.R`](https://github.com/jeroenjanssens/raylibr/blob/HEAD/demo/model.R) ### Bounce thousands of transparent balls Run `demo("balls", package = "raylibr")` to play this demo. Source: [`demo/balls.R`](https://github.com/jeroenjanssens/raylibr/blob/HEAD/demo/balls.R) ### Animate cubes while playing music Run `demo("cubes", package = "raylibr")` to play this demo. Source: [`demo/cubes.R`](https://github.com/jeroenjanssens/raylibr/blob/HEAD/demo/cubes.R) ### Beatbox like Jeroen Run `demo("beatbox", package = "raylibr")` to drop some beats. Press the `[a-zA-Z]` keys to play the 52 samples recorded by yours truly. Silence the cacophony by pressing Space. Source: [`demo/beatbox.R`](https://github.com/jeroenjanssens/raylibr/blob/HEAD/demo/beatbox.R) ## Acknowledgements - [Ramon Santamaria](https://twitter.com/raysan5) for creating [Raylib](https://www.raylib.com/), the C library that makes this all possible. - [Dirk Eddelbuettel](https://twitter.com/eddelbuettel) and others for creating the [Rcpp package](https://www.rcpp.org/), which enables the interface with Raylib. - [Mike FC](https://twitter.com/coolbutuseless) for showing me how to [expose C structs as R objects](https://github.com/coolbutuseless/cstructr). - [Jared Lander](https://twitter.com/jaredlander) and team for allowing me to [present about R & Raylib](https://www.youtube.com/watch?v=Mudz-ykLKbo) at the NYR Conference 2022. - [David Robinson](https://twitter.com/drob) for encouraging me to put `raylibr` on GitHub. - [`raylibr`’s contributors](https://github.com/jeroenjanssens/raylibr/graphs/contributors) for improving `raylibr` by submitting issues and pull requests. ## License The `raylibr` package is licensed under the MIT License.

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