aswi2021virtual-surreality-gitlab/deltarobot-vr/Assets/DeltaRobotVr/Components/AbstractArrow.cs @ 04839796

using UnityEngine;

namespace DeltaRobotVr.Components
{
    /// <summary>
    /// A generic implementation of vector visualization. The vector is determined by the <c>GetVector</c> method.
    /// </summary>
    public abstract class AbstractArrow : MonoBehaviour
    {
        public float lengthMultiplier = 2;

        void Update()
        {
            if (Client.Instance.IsConnected)
            {
                Vector3 v = Single3Utils.ToVector3(GetVector());
                
                var t = transform;
                t.rotation = Quaternion.FromToRotation(Vector3.forward, v);
                t.localScale = new Vector3(1, 1, v.magnitude * lengthMultiplier);
            }
        }

        /// <summary>
        /// Gets the vector that this component renders.
        /// </summary>
        protected abstract Single3 GetVector();
    }
}