回答編集履歴
1
上半身・下半身同時ひねり問題への対策を追記
answer
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@@ -61,4 +61,66 @@
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下図のような結果になりました。
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##上半身・下半身同時ひねり問題への対策
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```lang-csharp
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using UnityEngine;
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[RequireComponent(typeof(Animator))]
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public class PoseModifier : MonoBehaviour
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{
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[SerializeField][Range(-1.0f, 1.0f)] private float spineFrontBack;
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[SerializeField][Range(-1.0f, 1.0f)] private float chestTwistLeftRight;
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[SerializeField][Range(-1.0f, 1.0f)] private float headNodDownUp;
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private HumanPoseHandler poseHandler;
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private Transform hips;
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private void OnEnable()
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{
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var animator = this.GetComponent<Animator>();
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this.poseHandler = new HumanPoseHandler(animator.avatar, this.transform);
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// Hipsに相当するボーンを取得しておく
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this.hips = animator.GetBoneTransform(HumanBodyBones.Hips);
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}
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private void OnDisable()
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{
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this.poseHandler.Dispose();
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}
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private void LateUpdate()
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{
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// ポーズ修正を加える前に、あらかじめHipsの回転を覚えておく
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var hipsRotation = this.hips.rotation;
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// ポーズ修正部分は変更なし
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var t = this.transform;
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var rootPosition = t.position;
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var rootRotation = t.rotation;
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t.SetPositionAndRotation(Vector3.zero, Quaternion.identity);
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var pose = new HumanPose();
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this.poseHandler.GetHumanPose(ref pose);
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t.SetPositionAndRotation(rootPosition, rootRotation);
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pose.muscles[0] += this.spineFrontBack;
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pose.muscles[5] += this.chestTwistLeftRight;
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pose.muscles[12] += this.headNodDownUp;
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this.poseHandler.SetHumanPose(ref pose);
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// マッスル値設定によるポーズ修正を加えた後、
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// Hipsの回転を元に戻す
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this.hips.rotation = hipsRotation;
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}
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private void Start()
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{
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var muscleNames = HumanTrait.MuscleName;
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for (var i = 0; i < HumanTrait.MuscleCount; i++)
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{
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Debug.Log($"Muscle {i}:[{muscleNames[i]}]");
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}
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}
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}
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```
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