feature (VRM1, SpringBone): add limit break slider to spring bone joint properties

Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneJointEditor.cs

@@ -0,0 +1,98 @@
+using UnityEditor;
+using UnityEngine;
+
+namespace UniVRM10
+{
+    [CustomEditor(typeof(VRM10SpringBoneJoint))]
+    class VRM10SpringBoneJointEditor : Editor
+    {
+        private VRM10SpringBoneJoint m_target;
+        private SerializedProperty m_stiffnessForceProp;
+        private SerializedProperty m_gravityPowerProp;
+        private SerializedProperty m_gravityDirProp;
+        private SerializedProperty m_dragForceProp;
+        private SerializedProperty m_jointRadiusProp;
+
+        void OnEnable()
+        {
+            if (target == null)
+            {
+                return;
+            }
+            m_target = (VRM10SpringBoneJoint)target;
+
+            m_stiffnessForceProp = serializedObject.FindProperty("m_stiffnessForce");
+            m_gravityPowerProp = serializedObject.FindProperty("m_gravityPower");
+            m_gravityDirProp = serializedObject.FindProperty("m_gravityDir");
+            m_dragForceProp = serializedObject.FindProperty("m_dragForce");
+            m_jointRadiusProp = serializedObject.FindProperty("m_jointRadius");
+        }
+
+        public override void OnInspectorGUI()
+        {
+            serializedObject.Update();
+
+            EditorGUILayout.LabelField("Settings", EditorStyles.boldLabel);
+
+            LimitBreakSlider(m_stiffnessForceProp, 0.0f, 4.0f, 0.0f, Mathf.Infinity);
+            LimitBreakSlider(m_gravityPowerProp, 0.0f, 2.0f, 0.0f, Mathf.Infinity);
+            EditorGUILayout.PropertyField(m_gravityDirProp);
+            EditorGUILayout.PropertyField(m_dragForceProp);
+
+            EditorGUILayout.Space();
+
+            EditorGUILayout.LabelField("Collision", EditorStyles.boldLabel);
+
+            LimitBreakSlider(m_jointRadiusProp, 0.0f, 0.5f, 0.0f, Mathf.Infinity);
+
+            serializedObject.ApplyModifiedProperties();
+        }
+
+        /// <summary>
+        /// スライダーと数値入力で限界値の違う、所謂「限界突破スライダー」を作成する
+        /// `EditorGUILayout.PropertyField` の代替として利用する
+        /// </summary>
+        private static void LimitBreakSlider(SerializedProperty property, float sliderLeft, float sliderRight, float numberLeft, float numberRight)
+        {
+            var label = new GUIContent(property.displayName);
+            var currentValue = property.floatValue;
+
+            var rect = EditorGUILayout.GetControlRect();
+
+            EditorGUI.BeginProperty(rect, label, property);
+
+            rect = EditorGUI.PrefixLabel(rect, label);
+
+            // slider
+            {
+                EditorGUI.BeginChangeCheck();
+
+                var sliderRect = rect;
+                sliderRect.width -= 55.0f;
+                rect.xMin += rect.width - 50.0f;
+
+                var clampedvalue = Mathf.Clamp(currentValue, sliderLeft, sliderRight);
+                var sliderValue = GUI.HorizontalSlider(sliderRect, clampedvalue, sliderLeft, sliderRight);
+
+                if (EditorGUI.EndChangeCheck())
+                {
+                    property.floatValue = sliderValue;
+                }
+            }
+
+            // number
+            {
+                EditorGUI.BeginChangeCheck();
+
+                var numberValue = Mathf.Clamp(EditorGUI.FloatField(rect, currentValue), numberLeft, numberRight);
+
+                if (EditorGUI.EndChangeCheck())
+                {
+                    property.floatValue = numberValue;
+                }
+            }
+
+            EditorGUI.EndProperty();
+        }
+    }
+}

Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneJointEditor.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: cb6829ce1ea93194fbd08e175456a797
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBoneJoint.cs

@@ -11,10 +11,10 @@ namespace UniVRM10
     [DisallowMultipleComponent]
     public class VRM10SpringBoneJoint : MonoBehaviour
     {
-        [SerializeField, Range(0, 4), Header("Settings")]
+        [SerializeField]
         public float m_stiffnessForce = 1.0f;
 
-        [SerializeField, Range(0, 2)]
+        [SerializeField]
         public float m_gravityPower = 0;
 
         [SerializeField]
@@ -23,7 +23,7 @@ namespace UniVRM10
         [SerializeField, Range(0, 1)]
         public float m_dragForce = 0.4f;
 
-        [SerializeField, Range(0, 0.5f), Header("Collision")]
+        [SerializeField]
         public float m_jointRadius = 0.02f;
 
         void AddJointRecursive(Transform t, VRM10SpringBoneJoint src)