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Assets/TcgEngine/Scripts/FX/Projectile.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using TcgEngine.Client;
+using TcgEngine.UI;
+
+namespace TcgEngine.FX
+{
+
+    public class Projectile : MonoBehaviour
+    {
+        public float speed = 10f;
+        public float duration = 4f;
+        public GameObject explode_fx;
+        public AudioClip explode_audio;
+
+        [HideInInspector]
+        public int damage; //Damage dealth by projectile, to delay HP display by this amount
+
+        private Transform source;
+        private Transform target;
+        private Vector3 source_offset;
+        private Vector3 target_offset;
+        private float timer = 0f;
+
+        public void DelayDamage()
+        {
+            BoardCard tcard = target?.GetComponent<BoardCard>();
+            if (tcard != null)
+            {
+                //Delay visual HP so that the HP dont change before projectile hit
+                tcard.DelayDamage(damage, 8f / speed);
+            }
+
+            BoardSlotPlayer pslot = target?.GetComponent<BoardSlotPlayer>();
+            if (pslot != null)
+            {
+                PlayerUI player_ui = PlayerUI.Get(pslot.GetPlayerID() != GameClient.Get().GetPlayerID());
+                player_ui.DelayDamage(damage, 8f / speed);
+            }
+        }
+
+        void Update()
+        {
+            timer += Time.deltaTime;
+
+            if (source == null || target == null)
+            {
+                Destroy(gameObject);
+                return;
+            }
+
+            if (timer > duration)
+            {
+                Destroy(gameObject);
+                return;
+            }
+
+            Vector3 spos = transform.position;
+            Vector3 tpos = target.position + target_offset;
+            Vector3 dir = (tpos - spos);
+            transform.position += dir.normalized * Mathf.Min(dir.magnitude, 1f) * speed * Time.deltaTime;
+            transform.rotation = GetFXRotation(dir.normalized);
+
+            if (dir.magnitude < 0.2f)
+            {
+                FXTool.DoFX(explode_fx, target.position);
+                AudioTool.Get().PlaySFX("fx", explode_audio);
+                Destroy(gameObject);
+            }
+        }
+
+        public void SetSource(Transform source)
+        {
+            this.source = source;
+            transform.position = source.position;
+        }
+
+        public void SetSource(Transform source, Vector3 offset)
+        {
+            this.source = source;
+            source_offset = offset;
+            transform.position = source.position + source_offset;
+        }
+
+        public void SetTarget(Transform target)
+        {
+            this.target = target;
+        }
+
+        public void SetTarget(Transform target, Vector3 offset)
+        {
+            this.target = target;
+            target_offset = offset;
+        }
+
+        private static Quaternion GetFXRotation(Vector3 dir)
+        {
+            GameBoard board = GameBoard.Get();
+            Vector3 facing = board != null ? board.transform.forward : Vector3.forward;
+            return Quaternion.LookRotation(facing, dir);
+        }
+    }
+}