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Fix easing functions #2810

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Merged
DigiDuncan merged 1 commit into from
Dec 28, 2025
Merged

Fix easing functions #2810

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8 changes: 4 additions & 4 deletions arcade/anim/easing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -252,7 +252,7 @@ def BACK_IN(t: float) -> float:
@staticmethod
def BACK_OUT(t: float) -> float:
"""http://easings.net/#easeOutBack"""
return 1 + C3 + pow(t - 1, 3) + TEN_PERCENT_BOUNCE * pow(t - 1, 2)
return 1 + C3 * pow(t - 1, 3) + TEN_PERCENT_BOUNCE * pow(t - 1, 2)

@staticmethod
def BACK(t: float) -> float:
Expand Down Expand Up @@ -297,11 +297,11 @@ def BOUNCE_OUT(t: float) -> float:
if t < 1 / D1:
return N1 * t * t
elif t < 2 / D1:
return N1 * ((t - 1.5) / D1) * (t - 1.5) + 0.75
return N1 * (t - 1.5 / D1) ** 2 + 0.75
elif t < 2.5 / D1:
return N1 * ((t - 2.25) / D1) * (t - 2.25) + 0.9375
return N1 * (t - 2.25 / D1) ** 2 + 0.9375
else:
return N1 * ((t - 2.625) / D1) * (t - 2.625) + 0.984375
return N1 * (t - 2.625 / D1) ** 2 + 0.984375

@staticmethod
def BOUNCE(t: float) -> float:
Expand Down
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