ICTS_2021/Unity3/Assets/GameCore/ConstantRotation.cs

using UnityEngine;
using System.Collections;

public class ConstantRotation : MonoBehaviour
{
	public float minRotationSpeed = 100;
	public float maxRotationSpeed = 400;
	public bool canBeNegative;
	public Transform rotationPoint;
	float _rotationSpeed;

	Transform _transform;
	static Vector3 _zAxis = new Vector3(0, 0, 1);

	void Start()
	{
		_transform = transform;
	}

	void OnEnable()
	{
		_rotationSpeed = Random.Range(minRotationSpeed, maxRotationSpeed);
		if (canBeNegative)
		{
			_rotationSpeed *= Random.value < 0.5f ? -1 : 1;
		}
	}

	void Update()
	{
		_transform.RotateAround(rotationPoint.position, _zAxis, _rotationSpeed * Time.deltaTime);
	}
}