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Use in-out easing for better animation interpolation #429

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Use in-out easing for better animation interpolation #429

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3 changes: 2 additions & 1 deletion source/src/rendermodel.cpp
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
#include "cube.h"

VARP(animationinterpolationtime, 0, 150, 1000);
// 165 is the highest value that does not break player animations when firing the SMG
VARP(animationinterpolationtime, 0, 165, 1000);

model *loadingmodel = NULL;
mapmodelattributes loadingattributes;
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4 changes: 3 additions & 1 deletion source/src/vertmodel.h
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Expand Up @@ -887,7 +887,9 @@ struct vertmodel : model
if(doai)
{
prev.setframes(d->prev[index]);
ai_t = (lastmillis-d->lastanimswitchtime[index])/(float)animationinterpolationtime;
// use easeInOutSine easing for smoother appearance
// https://easings.net/#easeInOutSine
ai_t = -(cos(M_PI * (lastmillis-d->lastanimswitchtime[index])/(float)animationinterpolationtime) - 1) / 2;
}

glPushMatrix();
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