add train moving logic

Assets/Scripts/LocomotionHandler.cs

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+using System.Linq;
+using System.Collections;
+using System.Collections.Generic;
+
+using DG.Tweening;
+using UnityEngine;
+
+public enum TrainType
+{
+    EP2D,
+    Ivolga2,
+    Ivolga3
+}
+
+public class LocomotionHandler : MonoBehaviour
+{
+    [SerializeField] private Train[] trains;
+    [SerializeField] private Material[] materials;
+    [SerializeField] private float effectDuration;
+
+    public float trainSpeed;
+    public float pullUpPositionBefore;
+    public float pullUpPositionAfter;
+
+    public readonly float pullUpPosition = -12;
+    private Coroutine c_effect;
+
+    void Update()
+    {
+        if(Input.GetKeyDown(KeyCode.Alpha1))
+            ShowTrain(TrainType.EP2D);
+
+        if(Input.GetKeyDown(KeyCode.Alpha2))
+            ShowTrain(TrainType.Ivolga2);
+        
+        if(Input.GetKeyDown(KeyCode.Alpha3))
+            ShowTrain(TrainType.Ivolga3);
+    }
+
+    void Start()
+    {
+        foreach(var train in trains)
+        {
+            train.gameObject.SetActive(false);
+        }
+
+        foreach(var material in materials)
+        {
+            material.SetFloat("_EffectPosition", 5);
+        }
+    }
+
+    public void ShowTrain(TrainType trainType)
+    {
+        var activeTrain = trains.FirstOrDefault(x => x.gameObject.activeSelf);
+        if(activeTrain != null)
+            activeTrain.Hide();
+
+        trains.First(x => x.type == trainType)
+            .gameObject.SetActive(true);
+    }
+
+    // void SetEffect(bool isShow)
+    // {
+    //     if(c_effect != null)
+    //     {
+    //         StopCoroutine(c_effect);
+    //         c_effect = null;
+    //     }
+
+    //     c_effect = StartCoroutine(SetEffectRoutine(isShow));
+    // }
+
+    IEnumerator SetEffectRoutine(bool isShow)
+    {
+        float startPosition = materials[0].GetFloat("_EffectPosition");
+        float currentValue = startPosition;
+        float endPosition = 0;
+
+        if(isShow) endPosition = 5;
+        else endPosition = -5;
+
+        float progress = 0;
+        float duration = effectDuration;;
+
+        while(progress < 1)
+        {
+            currentValue = Mathf.Lerp(startPosition, endPosition, progress);
+
+            for(int i = 0; i < materials.Length; i++)
+            {
+                materials[i]
+                    .SetFloat("_EffectPosition", currentValue);
+            }
+
+            progress += duration * Time.deltaTime;
+            yield return null;
+        }
+
+        for(int i = 0; i < materials.Length; i++)
+        {
+            materials[i]
+                .SetFloat("_EffectPosition", endPosition);
+        }
+    }
+}

Assets/Scripts/LocomotionHandler.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 6f9218c03aa8e5342b69e3cb669e38a1
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/Train.cs

@@ -0,0 +1,37 @@
+using System.Collections;
+using System.Collections.Generic;
+
+using DG.Tweening;
+using UnityEngine;
+
+public class Train : MonoBehaviour
+{
+    public TrainType type;
+    private LocomotionHandler locomotionHandler;
+
+    void OnEnable()
+    {
+        if(locomotionHandler == null)
+            locomotionHandler = FindObjectOfType<LocomotionHandler>();
+
+        var startPosition = locomotionHandler.pullUpPositionBefore;
+        var speed = locomotionHandler.trainSpeed;
+
+        transform.localPosition = new Vector3(transform.localPosition.x,
+            transform.localPosition.y,
+            startPosition);
+
+        transform.DOLocalMoveZ(0, speed)
+            .SetEase(Ease.OutSine);
+    }
+
+    public void Hide()
+    {
+        var endPosition = locomotionHandler.pullUpPositionAfter;
+        var speed = locomotionHandler.trainSpeed;
+
+        transform.DOLocalMoveZ(endPosition, speed)
+            .SetEase(Ease.InSine)
+            .OnComplete(() => gameObject.SetActive(false));
+    }
+}

Assets/Scripts/Train.cs.meta

@@ -0,0 +1,11 @@
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+guid: ccec552147968e249a80635b7d589c37
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+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
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