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| author | Rémi Verschelde <rverschelde@gmail.com> | 2018-09-13 12:35:54 +0200 |
|---|---|---|
| committer | Rémi Verschelde <rverschelde@gmail.com> | 2018-09-13 12:37:01 +0200 |
| commit | 9b31d2da1c20807928ac2aea41a187184f9ee051 (patch) | |
| tree | b4c32daee34d97aaf6d8d0406dbe4ac85b80fa30 | |
| parent | ae8f984cf37210ebd0667bcaa2e80e947efc4841 (diff) | |
Document provenance of Penner easing equations in Tween
As noted in #21600.
| -rw-r--r-- | COPYRIGHT.txt | 5 | ||||
| -rw-r--r-- | scene/animation/tween_interpolaters.cpp | 6 |
2 files changed, 11 insertions, 0 deletions
diff --git a/COPYRIGHT.txt b/COPYRIGHT.txt index 49c602eb84..cf08225a40 100644 --- a/COPYRIGHT.txt +++ b/COPYRIGHT.txt @@ -96,6 +96,11 @@ Copyright: 1997-2017, Sam Lantinga 2014-2018, Godot Engine contributors. License: Expat and Zlib +Files: ./scene/animation/tween_interpolaters.cpp +Comment: Penner Easing +Copyright: 2001, Robert Penner +License: BSD-3-clause + Files: ./servers/physics/gjk_epa.cpp ./servers/physics/joints/generic_6dof_joint_sw.cpp ./servers/physics/joints/generic_6dof_joint_sw.h diff --git a/scene/animation/tween_interpolaters.cpp b/scene/animation/tween_interpolaters.cpp index 11f2b0c17f..52aa7403c0 100644 --- a/scene/animation/tween_interpolaters.cpp +++ b/scene/animation/tween_interpolaters.cpp @@ -28,6 +28,12 @@ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ +/** + * Adapted from Penner Easing equations' C++ port. + * Source: https://github.com/jesusgollonet/ofpennereasing + * License: BSD-3-clause + */ + #include "tween.h" const real_t pi = 3.1415926535898; |