Organize custom scripts under Assets/Baba_yaga and merge Opsive folders to Assets root

Assets/Demo/Scripts/Objects/MovingPlatformDeathZone.cs

@@ -0,0 +1,59 @@
+/// ---------------------------------------------
+/// Ultimate Character Controller
+/// Copyright (c) Opsive. All Rights Reserved.
+/// https://www.opsive.com
+/// ---------------------------------------------
+
+namespace Opsive.UltimateCharacterController.Demo.Objects
+{
+    using Opsive.UltimateCharacterController.Traits;
+    using UnityEngine;
+
+    /// <summary>
+    /// Instantly kills the character if the character moves beneath the moving platform as it is moving down.
+    /// </summary>
+    public class MovingPlatformDeathZone : MonoBehaviour
+    {
+        private Transform m_Transform;
+        private Vector3 m_PrevPosition;
+        private bool m_DownwardMovement;
+
+        /// <summary>
+        /// Initialize the default values.
+        /// </summary>
+        private void Awake()
+        {
+            m_Transform = transform;
+            m_PrevPosition = m_Transform.position;
+        }
+
+        /// <summary>
+        /// Detect if the platform is moving downward.
+        /// </summary>
+        private void FixedUpdate()
+        {
+            m_DownwardMovement = m_Transform.InverseTransformDirection(m_Transform.position - m_PrevPosition).y < 0;
+            m_PrevPosition = m_Transform.position;
+        }
+
+        /// <summary>
+        /// An
+        /// </summary>
+        /// <param name="other"></param>
+        private void OnTriggerEnter(Collider other)
+        {
+            // The platform has to be moving downward in order to kill the player.
+            if (!m_DownwardMovement) {
+                return;
+            }
+
+            // Kill the character.
+            var health = other.GetComponentInParent<CharacterHealth>();
+            if (health == null) {
+                return;
+            }
+
+            health.ImmediateDeath(m_Transform.position, Vector3.down, (m_Transform.position - m_PrevPosition).magnitude);
+        }
+    }
+}