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Assets/SteamVR/InteractionSystem/Samples/BuggyBuddy/LockToPoint.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+
+namespace Valve.VR.InteractionSystem.Sample
+{
+    public class LockToPoint : MonoBehaviour
+    {
+        public Transform snapTo;
+        private Rigidbody body;
+        public float snapTime = 2;
+
+        private float dropTimer;
+        private Interactable interactable;
+
+        private void Start()
+        {
+            interactable = GetComponent<Interactable>();
+            body = GetComponent<Rigidbody>();
+        }
+
+        private void FixedUpdate()
+        {
+            bool used = false;
+            if (interactable != null)
+                used = interactable.attachedToHand;
+
+            if (used)
+            {
+                body.isKinematic = false;
+                dropTimer = -1;
+            }
+            else
+            {
+                dropTimer += Time.deltaTime / (snapTime / 2);
+
+                body.isKinematic = dropTimer > 1;
+
+                if (dropTimer > 1)
+                {
+                    //transform.parent = snapTo;
+                    transform.position = snapTo.position;
+                    transform.rotation = snapTo.rotation;
+                }
+                else
+                {
+                    float t = Mathf.Pow(35, dropTimer);
+
+                    body.velocity = Vector3.Lerp(body.velocity, Vector3.zero, Time.fixedDeltaTime * 4);
+                    if (body.useGravity)
+                        body.AddForce(-Physics.gravity);
+
+                    transform.position = Vector3.Lerp(transform.position, snapTo.position, Time.fixedDeltaTime * t * 3);
+                    transform.rotation = Quaternion.Slerp(transform.rotation, snapTo.rotation, Time.fixedDeltaTime * t * 2);
+                }
+            }
+        }
+    }
+}