[ts] Port of commit f1e0f0f: Fixed animation not being mixed out in some cases. See #2786.

This commit is contained in:
Davide Tantillo 2025-03-14 09:31:22 +01:00
parent 58f99b1c0c
commit 9ae2b732c0

View File

@ -138,11 +138,10 @@ export class AnimationState {
from.animationLast = from.nextAnimationLast; from.animationLast = from.nextAnimationLast;
from.trackLast = from.nextTrackLast; from.trackLast = from.nextTrackLast;
if (to.nextTrackLast != -1) { // The from entry was applied at least once. // The from entry was applied at least once and the mix is complete.
const discard = to.mixTime == 0 && from.mixTime == 0; // Discard the from entry when neither have advanced yet. if (to.nextTrackLast != -1 && to.mixTime >= to.mixDuration) {
if (to.mixTime >= to.mixDuration || discard) { // Mixing is complete for all entries before the from entry or the mix is instantaneous.
// Require totalAlpha == 0 to ensure mixing is complete or the transition is a single frame or discarded. if (from.totalAlpha == 0 || to.mixDuration == 0) {
if (from.totalAlpha == 0 || to.mixDuration == 0 || discard) {
to.mixingFrom = from.mixingFrom; to.mixingFrom = from.mixingFrom;
if (from.mixingFrom != null) from.mixingFrom.mixingTo = to; if (from.mixingFrom != null) from.mixingFrom.mixingTo = to;
to.interruptAlpha = from.interruptAlpha; to.interruptAlpha = from.interruptAlpha;
@ -150,7 +149,6 @@ export class AnimationState {
} }
return finished; return finished;
} }
}
from.trackTime += delta * from.timeScale; from.trackTime += delta * from.timeScale;
to.mixTime += delta; to.mixTime += delta;