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159 行
4.7 KiB
159 行
4.7 KiB
using System;
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using System.Collections.Generic;
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using UnityEngine;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace UniVRM10
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{
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[Serializable]
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[DisallowMultipleComponent]
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public class VRM10SpringBoneJoint : MonoBehaviour
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{
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[SerializeField]
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public float m_stiffnessForce = 1.0f;
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[SerializeField]
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public float m_gravityPower = 0;
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[SerializeField]
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public Vector3 m_gravityDir = new Vector3(0, -1.0f, 0);
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[SerializeField, Range(0, 1)]
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public float m_dragForce = 0.4f;
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[SerializeField]
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public float m_jointRadius = 0.02f;
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void AddJointRecursive(Transform t, VRM10SpringBoneJoint src)
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{
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var joint = t.gameObject.GetComponent<VRM10SpringBoneJoint>();
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if (joint == null)
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{
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joint = t.gameObject.AddComponent<VRM10SpringBoneJoint>();
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Debug.Log($"{joint} added");
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}
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// copy settings
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joint.m_stiffnessForce = src.m_stiffnessForce;
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joint.m_gravityPower = src.m_gravityPower;
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joint.m_gravityDir = src.m_gravityDir;
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joint.m_dragForce = src.m_dragForce;
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joint.m_jointRadius = src.m_jointRadius;
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if (t.childCount > 0)
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{
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// only first child
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AddJointRecursive(t.GetChild(0), src);
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}
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}
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void GetJoints(Transform t, List<VRM10SpringBoneJoint> joints)
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{
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var joint = t.GetComponent<VRM10SpringBoneJoint>();
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if (joint != null)
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{
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joints.Add(joint);
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}
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if (t.childCount > 0)
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{
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GetJoints(t.GetChild(0), joints);
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}
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}
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[ContextMenu("Add joints")]
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private void AddJointsToChild0()
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{
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var root = GetComponentInParent<Vrm10Instance>();
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if (root == null)
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{
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Debug.LogWarning("not Vrm10Instance");
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return;
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}
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if (transform.childCount == 0)
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{
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Debug.LogWarning("no children");
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return;
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}
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AddJointRecursive(transform.GetChild(0), this);
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// updater root
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foreach (var spring in root.SpringBone.Springs)
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{
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for (int i = 0; i < spring.Joints.Count; ++i)
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{
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if (spring.Joints[i] == this)
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{
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// found
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while (spring.Joints.Count - 1 > i)
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{
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// remove after this joint
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spring.Joints.RemoveAt(spring.Joints.Count - 1);
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}
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// get descendants joints
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var joints = new List<VRM10SpringBoneJoint>();
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GetJoints(transform.GetChild(0), joints);
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// add jonits to after this
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spring.Joints.AddRange(joints);
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return;
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}
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}
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}
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Debug.LogWarning($"{this} is found in {root}");
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}
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(Vrm10InstanceSpringBone.Spring, int) FindTail(Vrm10Instance vrm, VRM10SpringBoneJoint head)
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{
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foreach (var spring in vrm.SpringBone.Springs)
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{
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var index = spring.Joints.IndexOf(head);
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if (index != -1)
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{
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if (index + 1 < spring.Joints.Count)
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{
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return (spring, index);
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}
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else
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{
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break;
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}
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}
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}
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return default;
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}
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private void OnDrawGizmosSelected()
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{
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var vrm = GetComponentInParent<Vrm10Instance>();
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if (vrm == null)
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{
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return;
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}
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var (spring, joint_index) = FindTail(vrm, this);
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if (spring == null)
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{
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return;
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}
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if (spring.Joints != null && joint_index + 1 < spring.Joints.Count)
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{
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var tail = spring.Joints[joint_index + 1];
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if (tail != null)
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{
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// draw tail
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Gizmos.color = Color.yellow;
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// tail の radius は head の m_jointRadius で決まる
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Gizmos.DrawWireSphere(tail.transform.position, m_jointRadius);
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Gizmos.DrawLine(transform.position, tail.transform.position);
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}
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}
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}
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}
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}
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