Experimental: this API is experimental and might be changed or removed in the future.

MuscleHandle

struct in UnityEngine.Experimental.Animations

Description

Handle for a muscle in the AnimationHumanStream.

MuscleHandle can only be used on AnimationHumanStream, otherwise an InvalidOperationException is thrown.

using UnityEngine;
using UnityEngine.Animations;
using UnityEngine.Playables;
using UnityEngine.Experimental.Animations;

public struct MuscleHandleExampleJob : IAnimationJob
{
    public MuscleHandle muscleHandle;

    public void ProcessRootMotion(AnimationStream stream) {}
    public void ProcessAnimation(AnimationStream stream)
    {
        AnimationHumanStream humanStream = stream.AsHuman();

        // Get a muscle value.
        float muscleValue = humanStream.GetMuscle(muscleHandle);

        // Set a muscle value.
        humanStream.SetMuscle(muscleHandle, muscleValue);
    }
}

[RequireComponent(typeof(Animator))]
public class MuscleHandleExample : MonoBehaviour
{
    void Start()
    {
        var graph = PlayableGraph.Create();
        var output = AnimationPlayableOutput.Create(graph, "output", GetComponent<Animator>());

        var job = new MuscleHandleExampleJob();
        job.muscleHandle = new MuscleHandle(HumanPartDof.LeftArm, ArmDof.HandDownUp);

        var scriptPlayable = AnimationScriptPlayable.Create(graph, job);
        output.SetSourcePlayable(scriptPlayable);

        graph.Evaluate(1.0f);

        graph.Destroy();
    }
}