playtest-unity/playtest/Library/PackageCache/com.unity.timeline@1.7.4/Runtime/Utilities/WeightUtility.cs

31 lines
880 B
C#

using UnityEngine.Playables;
namespace UnityEngine.Timeline
{
static class WeightUtility
{
// Given a mixer, normalizes the mixer if required
// returns the output weight that should be applied to the mixer as input
public static float NormalizeMixer(Playable mixer)
{
if (!mixer.IsValid())
return 0;
int count = mixer.GetInputCount();
float weight = 0.0f;
for (int c = 0; c < count; c++)
{
weight += mixer.GetInputWeight(c);
}
if (weight > Mathf.Epsilon && weight < 1)
{
for (int c = 0; c < count; c++)
{
mixer.SetInputWeight(c, mixer.GetInputWeight(c) / weight);
}
}
return Mathf.Clamp01(weight);
}
}
}