using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class RotateToMouseScript : MonoBehaviour {
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public float maximumLenght;
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private Ray rayMouse;
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private Vector3 pos;
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private Vector3 direction;
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private Quaternion rotation;
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private Camera cam;
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private WaitForSeconds updateTime = new WaitForSeconds (0.01f);
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public void StartUpdateRay (){
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StartCoroutine (UpdateRay());
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}
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IEnumerator UpdateRay (){
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if (cam != null) {
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RaycastHit hit;
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var mousePos = Input.mousePosition;
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rayMouse = cam.ScreenPointToRay (mousePos);
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if (Physics.Raycast (rayMouse.origin, rayMouse.direction, out hit, maximumLenght)) {
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RotateToMouse (gameObject, hit.point);
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} else {
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var pos = rayMouse.GetPoint (maximumLenght);
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RotateToMouse (gameObject, pos);
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}
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yield return updateTime;
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StartCoroutine (UpdateRay ());
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} else {
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Debug.Log ("Camera not set");
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}
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}
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void RotateToMouse (GameObject obj, Vector3 destination ) {
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direction = destination - obj.transform.position;
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rotation = Quaternion.LookRotation (direction);
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obj.transform.localRotation = Quaternion.Lerp (obj.transform.rotation, rotation, 1);
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}
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public void SetCamera (Camera camera){
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cam = camera;
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}
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public Vector3 GetDirection () {
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return direction;
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}
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public Quaternion GetRotation () {
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return rotation;
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}
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}
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