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上半身・下半身同時ひねり問題への対策を追記

2021/11/01 22:04

投稿

Bongo

スコア10811

test CHANGED Viewed

@@ -125,3 +125,127 @@
 ![図](8bfe9efc6fd80aac78b0c6dc46577d4b.gif)
+##上半身・下半身同時ひねり問題への対策
+```lang-csharp
+using UnityEngine;
+[RequireComponent(typeof(Animator))]
+public class PoseModifier : MonoBehaviour
+{
+    [SerializeField][Range(-1.0f, 1.0f)] private float spineFrontBack;
+    [SerializeField][Range(-1.0f, 1.0f)] private float chestTwistLeftRight;
+    [SerializeField][Range(-1.0f, 1.0f)] private float headNodDownUp;
+    private HumanPoseHandler poseHandler;
+    private Transform hips;
+    private void OnEnable()
+    {
+        var animator = this.GetComponent<Animator>();
+        this.poseHandler = new HumanPoseHandler(animator.avatar, this.transform);
+        // Hipsに相当するボーンを取得しておく
+        this.hips = animator.GetBoneTransform(HumanBodyBones.Hips);
+    }
+    private void OnDisable()
+    {
+        this.poseHandler.Dispose();
+    }
+    private void LateUpdate()
+    {
+        // 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
+        var hipsRotation = this.hips.rotation;
+        // ポーズ修正部分は変更なし
+        var t = this.transform;
+        var rootPosition = t.position;
+        var rootRotation = t.rotation;
+        t.SetPositionAndRotation(Vector3.zero, Quaternion.identity);
+        var pose = new HumanPose();
+        this.poseHandler.GetHumanPose(ref pose);
+        t.SetPositionAndRotation(rootPosition, rootRotation);
+        pose.muscles[0] += this.spineFrontBack;
+        pose.muscles[5] += this.chestTwistLeftRight;
+        pose.muscles[12] += this.headNodDownUp;
+        this.poseHandler.SetHumanPose(ref pose);
+        // マッスル値設定によるポーズ修正を加えた後、
+        // Hipsの回転を元に戻す
+        this.hips.rotation = hipsRotation;
+    }
+    private void Start()
+    {
+        var muscleNames = HumanTrait.MuscleName;
+        for (var i = 0; i < HumanTrait.MuscleCount; i++)
+        {
+            Debug.Log($"Muscle {i}:[{muscleNames[i]}]");
+        }
+    }
+}
+```