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Runtime/Cloner/Contracts/Effector/EffectorBase.cs

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+using System;
+using System.Collections.Generic;
+using Unity.Mathematics;
+using UnityEngine;
+
+namespace Misaki.ArtTool
+{
+    public abstract class EffectorBase : MonoBehaviour
+    {
+        public float strength = 1.0f;
+
+        public List<FieldData> fieldDataList = new();
+
+        public EventHandler propertyChanged;
+
+        protected float4x4 effectorMatrix;
+
+        private void OnEnable()
+        {
+            foreach (var item in fieldDataList)
+            {
+                if (item == null)
+                {
+                    return;
+                }
+
+                item.field.propertyChanged += OnPropertyChanged;
+            }
+        }
+
+        private void OnDisable()
+        {
+            foreach (var item in fieldDataList)
+            {
+                if (item == null)
+                {
+                    return;
+                }
+
+                item.field.propertyChanged -= OnPropertyChanged;
+            }
+        }
+
+        private void OnPropertyChanged(object sender, EventArgs e)
+        {
+            propertyChanged?.Invoke(sender, e);
+        }
+
+        public virtual void Initialize()
+        {
+            for (var i = 0; i < fieldDataList.Count; i++)
+            {
+                fieldDataList[i].field.Initialize();
+            }
+
+            effectorMatrix = transform.localToWorldMatrix;
+        }
+
+        public virtual void Operate(int index, float4x4 nodeWorldMatrix, ReadOnlySpan<PointData> points, ref float4x4 pointWorldMatrix, ref bool isValid)
+        {
+
+        }
+
+        protected float CalculateFieldsWeight(float3 worldPosition)
+        {
+            var weight = 1.0f;
+            var fieldCount = fieldDataList.Count;
+            for (var i = 0; i < fieldCount; i++)
+            {
+                var fieldData = fieldDataList[i];
+                if (!fieldData.enable || fieldData.opacity <= 0.0f)
+                {
+                    continue;
+                }
+
+                weight = math.lerp(weight, fieldData.field.Operate(worldPosition), fieldData.opacity);
+            }
+
+            weight *= strength;
+
+            return weight;
+        }
+    }
+}