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-rw-r--r--gnu/packages/cpp.scm29
1 files changed, 29 insertions, 0 deletions
diff --git a/gnu/packages/cpp.scm b/gnu/packages/cpp.scm
index ae1e3e3356..8b32c3f0a9 100644
--- a/gnu/packages/cpp.scm
+++ b/gnu/packages/cpp.scm
@@ -6,6 +6,7 @@
;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2019 Pierre Neidhardt <mail@ambrevar.xyz>
;;; Copyright © 2019 Jan Wielkiewicz <tona_kosmicznego_smiecia@interia.pl>
+;;; Copyright © 2020 Nicolò Balzarotti <nicolo@nixo.xyz>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -410,3 +411,31 @@ SObjectizer supports not only the Actor Model but also the Publish-Subscribe
Model and CSP-like channels. The goal of SObjectizer is to simplify
development of concurrent and multithreaded applications in C++.")
(license license:bsd-3)))
+
+(define-public tweeny
+ (package
+ (name "tweeny")
+ (version "3")
+ (source
+ (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/mobius3/tweeny.git")
+ (commit (string-append "v" version))))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32 "1adm4c17pi7xf3kf6sjyxibz5rdg1ka236p72xsm6js4j9gzlbp4"))))
+ (arguments
+ '(#:tests? #f)) ;no check target
+ (build-system cmake-build-system)
+ (home-page "https://mobius3.github.io/tweeny/")
+ (synopsis "Modern C++ tweening library")
+ (description "@code{Tweeny} is an inbetweening library designed for the
+creation of complex animations for games and other beautiful interactive
+software. It leverages features of modern @code{C++} to empower developers with
+an intuitive API for declaring tweenings of any type of value, as long as they
+support arithmetic operations. The goal of @code{Tweeny} is to provide means to
+create fluid interpolations when animating position, scale, rotation, frames or
+other values of screen objects, by setting their values as the tween starting
+point and then, after each tween step, plugging back the result.")
+ (license license:expat)))