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Assets/TcgEngine/Scripts/FX/AnimMatFX.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Events;
+
+namespace TcgEngine.FX
+{
+    /// <summary>
+    /// Useful tool to define animation sequences on materials
+    /// </summary>
+
+    public class AnimMatFX : MonoBehaviour
+    {
+        private Material target;
+        private float timer = 0f;
+
+        private float start_val;
+        private float current_val;
+
+        private AnimMatAction current = null;
+        private Queue<AnimMatAction> sequence = new Queue<AnimMatAction>();
+
+        void Start()
+        {
+
+        }
+
+        void Update()
+        {
+            if (target == null)
+                return;
+
+            if (current == null && sequence.Count > 0)
+            {
+                current = sequence.Dequeue();
+                start_val = target.GetFloat(current.target_name);
+                current_val = start_val;
+                timer = 0f;
+            }
+
+            if (current != null)
+            {
+                if (timer < current.duration)
+                {
+                    timer += Time.deltaTime;
+
+                    if (current.type == AnimMatActionType.Float)
+                    {
+                        float dist = Mathf.Abs(current.target_value - start_val);
+                        float speed = dist / Mathf.Max(current.duration, 0.01f);
+                        current_val = Mathf.MoveTowards(current_val, current.target_value, speed * Time.deltaTime);
+                        target.SetFloat(current.target_name, current_val);
+                    }
+                }
+                else
+                {
+                    current.callback?.Invoke();
+                    current = null;
+                }
+            }
+        }
+
+        public void SetFloat(string name, float value, float duration)
+        {
+            AnimMatAction action = new AnimMatAction();
+            action.type = AnimMatActionType.Float;
+            action.duration = duration;
+            action.target_name = name;
+            action.target_value = value;
+            sequence.Enqueue(action);
+        }
+
+        public void Callback(float duration, UnityAction callback)
+        {
+            AnimMatAction action = new AnimMatAction();
+            action.type = AnimMatActionType.None;
+            action.duration = duration;
+            action.callback = callback;
+            sequence.Enqueue(action);
+        }
+
+        public void Clear()
+        {
+            target = null;
+            timer = 0f;
+            sequence.Clear();
+        }
+
+        public static AnimMatFX Create(GameObject obj, Material target)
+        {
+            AnimMatFX anim = obj.GetComponent<AnimMatFX>();
+            if (anim == null)
+                anim = obj.AddComponent<AnimMatFX>();
+
+            anim.Clear();
+            anim.target = target;
+            return anim;
+        }
+    }
+
+    public enum AnimMatActionType
+    {
+        None = 0,
+        Float = 5,
+    }
+
+    public class AnimMatAction
+    {
+        public AnimMatActionType type;
+        public string target_name;
+        public float target_value;
+        public float duration = 1f;
+        public UnityAction callback = null;
+    }
+
+}