BITFALL/Assets/BITKit/Unity/Scripts/Location/LocationAdditive.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Rendering;

// ReSharper disable InvertIf
namespace BITKit
{
    public class LocationAdditive : MonoBehaviour
    {
        public Vector3 GlobalPosition { get; private set; }
        public Vector3 GlobalEuler { get; private set; }
        public Vector3 GlobalRotation { get; private set; }
        
        private Vector3 currentPosition;
        private Vector3 currentEuler;
        
        private Vector3 globalPosition;
        private Quaternion globalRotation;
        public void AddPosition(Vector3 value)
        {
            currentPosition += value;
        }
        public void AddEuler(Vector3 value)
        {
            currentEuler += value;
        }
        public void SetGlobalPosition(Vector3 value)
        {
            globalPosition = value;
        }
        public void SetGlobalRotation(Quaternion value)
        {
            globalRotation = value;
        }
        public void LateUpdate()
        {
            switch (currentEuler,globalRotation)
            {
                case var (euler,rotation) when euler.IsDefault() is false && rotation.IsDefault():
                    transform.localRotation = Quaternion.Euler(euler);
                    break;
                case var (euler,rotation) when euler.IsDefault() && rotation.IsDefault() is false:
                    transform.rotation = globalRotation = rotation;
                    break;
                case var (euler,rotation) when euler.IsDefault() is false && rotation.IsDefault() is false:
                    transform.rotation = globalRotation = rotation * Quaternion.Euler(euler);
                    break;
            }

            switch (currentPosition,globalPosition)
            {
                case var (position,global) when position.IsDefault() is false && global.IsDefault():
                    transform.localPosition = position;
                    break;
                case var (position,global) when position.IsDefault() && global.IsDefault() is false:
                    transform.position =globalPosition= global;
                    break;
                case var (position,global) when position.IsDefault() is false && global.IsDefault() is false:
                    transform.position = globalPosition = global + position;
                    break;
            }
            
            currentEuler = Vector3.zero;
            currentPosition = Vector3.zero;
        }
    }
}