Asset Dump

Assets/GabrielAguiarProductions/Scripts/UniqueProjectiles/RotateToMouseScript.cs

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+//
+//NOTES:
+//This script is used for DEMONSTRATION porpuses of the Projectiles. I recommend everyone to create their own code for their own projects.
+//This is just a basic example.
+//
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class RotateToMouseScript : MonoBehaviour {
+
+	public float maximumLenght;
+
+	private bool use2D;
+	private Ray rayMouse;
+	private Vector3 pos;
+	private Vector3 direction;
+	private Quaternion rotation;
+	private Camera cam;
+	private WaitForSeconds updateTime = new WaitForSeconds (0.01f); 
+
+
+	public void StartUpdateRay (){
+		StartCoroutine (UpdateRay());
+	}
+
+	IEnumerator UpdateRay (){
+		if (cam != null) {
+			if (use2D) {
+				Vector2 direction = Camera.main.ScreenToWorldPoint (Input.mousePosition) - transform.position;
+				float angle = Mathf.Atan2 (direction.y, direction.x) * Mathf.Rad2Deg;
+				if (angle > 180) angle -= 360;
+				rotation.eulerAngles = new Vector3 (-angle, 90, 0); // use different values to lock on different axis
+				transform.rotation = rotation;
+			} else {
+				RaycastHit hit;
+				var mousePos = Input.mousePosition;
+				rayMouse = cam.ScreenPointToRay (mousePos);
+				if (Physics.Raycast (rayMouse.origin, rayMouse.direction, out hit, maximumLenght)) {
+					RotateToMouse (gameObject, hit.point);
+				} else {	
+					var pos = rayMouse.GetPoint (maximumLenght);
+					RotateToMouse (gameObject, pos);
+				}
+			}
+			yield return updateTime;
+			StartCoroutine (UpdateRay ());
+		} else
+			Debug.Log ("Camera not set");
+	}
+
+	public void RotateToMouse (GameObject obj, Vector3 destination ) {
+		direction = destination - obj.transform.position;
+		rotation = Quaternion.LookRotation (direction);
+		obj.transform.localRotation = Quaternion.Lerp (obj.transform.rotation, rotation, 1);
+	}
+
+	public void Set2D (bool state){
+		use2D = state;
+	}
+
+	public void SetCamera (Camera camera){
+		cam = camera;
+	}
+
+	public Vector3 GetDirection () {
+		return direction;
+	}
+
+	public Quaternion GetRotation () {
+		return rotation;
+	}
+}