fix triangle formula

SoulMelody · Sep 18, 2024 · 334140b · 334140b
1 parent 19f320d
commit 334140b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libresvip/utils/music_math.py b/libresvip/utils/music_math.py
@@ -105,7 +105,7 @@ def cosine_easing_in_interpolation(r: float) -> float:
 
 @_transform_interpolation_args
 def cosine_easing_out_interpolation(r: float) -> float:
-    return math.cos(r * math.pi / 2)
+    return math.sin(r * math.pi / 2)
 
 
 @_transform_interpolation_args