make sprite NPC look at player

2026-01-06 18:43:59 +02:00
parent 79dcf3bc9b
commit e4d61a6648
4 changed files with 169 additions and 146 deletions
--- a/Assets/_PROJECT/Prefabs/Characters/BillboardNPC.prefab
+++ b/Assets/_PROJECT/Prefabs/Characters/BillboardNPC.prefab
@@ -1,6 +1,6 @@
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--- a/Assets/_PROJECT/Prefabs/Characters/BillboardNPC.prefab.meta
+++ b/Assets/_PROJECT/Prefabs/Characters/BillboardNPC.prefab.meta
@@ -1,5 +1,5 @@
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--- a/Assets/_PROJECT/Scenes/DeltaBuilding_base.unity
+++ b/Assets/_PROJECT/Scenes/DeltaBuilding_base.unity
--- a/Assets/_PROJECT/Scripts/NPCController.cs
+++ b/Assets/_PROJECT/Scripts/NPCController.cs
@@ -1,13 +1,13 @@
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
 using DG.Tweening;
+using Unity.XR.CoreUtils;
+using UnityEngine;

 public class NPCController : MonoBehaviour
 {
    private Vector3 mouthClosedScale;
    private Vector3 mouthOpenScale;
    private bool isTalking;
+    private Transform playerTransform;

    public Transform mouthTransform;
    public float mouthScalingMultiplier = 2.5f;
@@ -25,7 +25,40 @@ public class NPCController : MonoBehaviour
    // Update is called once per frame
    void Update()
    {
-        
+        if (playerTransform != null)
+        {
+            // As if player is on same Y coordinate as this object, to not rotate around Y axis.
+            Vector3 lookTargetPos = new Vector3(playerTransform.position.x, transform.position.y, playerTransform.position.z);
+            transform.LookAt(lookTargetPos);
+        }
+    }
+
+    private void OnTriggerEnter(Collider other)
+    {
+        Debug.Log("Collided with " + other);
+        KbmController controller = other.GetComponent<KbmController>();
+        XROrigin playerOrigin = other.GetComponent<XROrigin>();
+        if (controller != null)
+        {
+            playerTransform = controller.transform;
+        } else if (playerOrigin != null)
+        {
+            playerTransform = playerOrigin.transform;
+        }
+    }
+
+    private void OnTriggerExit(Collider other)
+    {
+        KbmController controller = other.GetComponent<KbmController>();
+        XROrigin playerOrigin = other.GetComponent<XROrigin>();
+        if (controller != null)
+        {
+            playerTransform = null;
+        }
+        else if (playerOrigin != null)
+        {
+            playerTransform = null;
+        }
    }

    public void StartTalking()