Tracking

track.cs

namespace Interakt.Utility {
    using UnityEngine;
    public class Tracking
    {
        // Rotates the source rigidbody towards the target transforms rotation at RotationSpeed
        public static void RotateRBTowardsTransform(Rigidbody source, Transform target, float RotationSpeed)
        {
            var delta = target.rotation * Quaternion.Inverse(source.rotation);

            delta.ToAngleAxis(out float _angle, out Vector3 _axis);

            if (float.IsInfinity(_axis.x))
                return;

            if (_angle > 180f)
                _angle -= 360f;

            Vector3 angular = (RotationSpeed * Mathf.Deg2Rad * _angle / Time.deltaTime) * _axis.normalized;

            source.angularVelocity = angular;
        }

        // Moves the source rigidbody towards the target rigidbody at MovementSpeed
        public static void MoveRBtowardsTransform(Rigidbody source, Transform target, float MovementSpeed)
        {
            source.velocity = (target.position - source.position) * MovementSpeed;
        }

        // Matches target transform rotation to source transform rotation
        public static void MatchTransformRotation(Transform source, Transform target)
        {
            source.rotation = target.rotation;
        }

        // Matchs target transform position to source transform position
        public static void MatchTransformPosition(Transform source, Transform target)
        {
            source.position = target.position;
        }
    }
}