Update changelog

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80a109297ee733111c03c94d78c5da062fbb0858..14a02e6fbb2ca094485f4e024348b44b0d11336e 100644 (file)
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,10 @@ The format is based on [Keep a Changelog][] and this project adheres to
 [Semantic Versioning]: http://semver.org/
 
 ## Unreleased
+### Added
+- Collision detection based on [cute c2][].
+
+[cute c2]: https://github.com/RandyGaul/cute_headers/blob/master/cute_c2.h
 
 ## 0.2.0 - 2019-09-26
 ### Added