UAnimInstance::PlaySlotAnimationAsDynamicMontage_WithBlendArgs

function Engine Blueprint Since 5.1

#include "Animation/AnimInstance.h"

Access: public Specifiers: UFUNCTIONBlueprintCallable

Description

Variant of PlaySlotAnimationAsDynamicMontage that accepts FAlphaBlendArgs structs for blend-in and blend-out, allowing custom easing curves instead of linear blends.

Caveats & Gotchas

• FAlphaBlendArgs lets you specify an EAlphaBlendOption curve (e.g. Cubic) — mismatching curves between in and out can produce visually jarring transitions if not carefully tuned.
• Like the base overload, only one asset per SlotGroup is allowed; a second call replaces the first.

Signature

ENGINE_API UAnimMontage* PlaySlotAnimationAsDynamicMontage_WithBlendArgs(UAnimSequenceBase* Asset, FName SlotNodeName, const FAlphaBlendArgs& BlendIn, const FAlphaBlendArgs& BlendOut, float InPlayRate = 1.f, int32 LoopCount = 1, float BlendOutTriggerTime = -1.f, float InTimeToStartMontageAt = 0.f);

Parameters

Name	Type	Description	Default
Asset	UAnimSequenceBase*	The animation sequence or blend space to play.	—
SlotNodeName	FName	Name of the slot node in the anim graph.	—
BlendIn	const FAlphaBlendArgs&	Full alpha blend arguments for the blend-in phase, including curve type and time.	—
BlendOut	const FAlphaBlendArgs&	Full alpha blend arguments for the blend-out phase.	—
InPlayRate	float	Playback speed multiplier.	1.f
LoopCount	int32	Number of times to loop.	1
BlendOutTriggerTime	float	Time before end at which blend-out begins; -1 uses default.	-1.f
InTimeToStartMontageAt	float	Start position in seconds.	0.f

Return Type

UAnimMontage*

Example

Play with cubic ease-in/ease-out blend C++

FAlphaBlendArgs BlendIn(0.15f);
BlendIn.BlendOption = EAlphaBlendOption::Cubic;
FAlphaBlendArgs BlendOut(0.3f);
BlendOut.BlendOption = EAlphaBlendOption::Cubic;

AnimInstance->PlaySlotAnimationAsDynamicMontage_WithBlendArgs(
    DeathAnim, FName("FullBodySlot"), BlendIn, BlendOut);

Version History

Introduced in: 5.1

Version	Status	Notes
5.6	stable	—

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