Плавность это круто

Game/CourierOld/Assets/Code/Gameplay/Character/Controller/CustomCharacterController.cs

@@ -30,6 +30,14 @@ namespace Code.Gameplay.Character.Controller
         private Vector3 _originalColliderCenter;
         private float _originalColliderHeight;
         private Vector3 _originalFollowPointLocalPosition;
+        private bool _isEnteringSlide;
+        private bool _isExitingSlide;
+        private float _slideTransitionTime;
+        private float _slideTransitionDuration;
+        private float _currentColliderHeight;
+        private Vector3 _currentColliderCenter;
+        private Vector3 _currentFollowPointLocalPosition;
+        private bool _wasSlidingLastFrame;
         
         // Подсистемы
         private CharacterInputHandler _inputHandler;
@@ -99,16 +107,13 @@ namespace Code.Gameplay.Character.Controller
             _wallLeanMechanic.SetModel(characterTransform);
             _wallRunningMechanic.Initialize(motor);
             
-            if (_capsuleCollider != null)
-            {
-                _originalColliderCenter = _capsuleCollider.center;
-                _originalColliderHeight = _capsuleCollider.height;
-            }
+            _originalColliderCenter = _capsuleCollider.center;
+            _originalColliderHeight = _capsuleCollider.height;
+            _originalFollowPointLocalPosition = _cameraFollowPoint.localPosition;
 
-            if (_cameraFollowPoint != null)
-            {
-                _originalFollowPointLocalPosition = _cameraFollowPoint.localPosition;
-            }
+            _currentColliderHeight = _originalColliderHeight;
+            _currentColliderCenter = _originalColliderCenter;
+            _currentFollowPointLocalPosition = _originalFollowPointLocalPosition;
         }
 
         // Текущий режим камеры для адаптации поведения
@@ -201,29 +206,32 @@ namespace Code.Gameplay.Character.Controller
                 return;
             }
 
-            if (!_slideMechanic.IsSliding)
+            var wasSliding = _wasSlidingLastFrame;
+            var isSlidingNow = _slideMechanic.IsSliding;
+
+            if (!isSlidingNow)
             {
                 _slideMechanic.TryStartSlide(motor, _currentCameraMode, _inputHandler.FirstPersonCameraRotation, _inputHandler.LookInputVector);
-    
-                if (_slideMechanic.IsSliding)
-                {
-                    EnterSlideState();
-                }
-                else
-                {
-                    ExitSlideState();
-                }
+                isSlidingNow = _slideMechanic.IsSliding;
             }
-            else
+
+            switch (isSlidingNow)
+            {
+                case true when !wasSliding:
+                    EnterSlideState();
+                    break;
+                case false when wasSliding:
+                    ExitSlideState();
+                    break;
+            }
+
+            if (isSlidingNow)
             {
                 _slideMechanic.HandleSlide(ref currentVelocity, deltaTime, motor);
-    
-                if (!_slideMechanic.IsSliding)
-                {
-                    ExitSlideState();
-                }
             }
 
+            _wasSlidingLastFrame = isSlidingNow;
+
             // === WALL RUNNING: обработка состояния ===
             if (_wallRunningMechanic.IsWallRunning)
             {
@@ -261,38 +269,101 @@ namespace Code.Gameplay.Character.Controller
         
         private void EnterSlideState()
         {
-            if (_capsuleCollider)
-            {
-                var newHeight = _originalColliderHeight * _characterConfig.slideColliderHeightScale;
-
-                _capsuleCollider.height = newHeight;
-
-                var newCenterY = newHeight * 0.5f - _originalColliderHeight * 0.5f;
-                _capsuleCollider.center = _originalColliderCenter + Vector3.up * newCenterY;
-            }
-
-            if (!_cameraFollowPoint) return;
-            
-            var offset = Vector3.up * _characterConfig.slideCameraOffsetY;
-            _cameraFollowPoint.localPosition = _originalFollowPointLocalPosition + offset;
+            _isEnteringSlide = true;
+            _isExitingSlide = false;
+            _slideTransitionTime = 0f;
+            _slideTransitionDuration = _characterConfig.slideEnterDuration;
         }
 
         private void ExitSlideState()
         {
+            _isExitingSlide = true;
+            _isEnteringSlide = false;
+            _slideTransitionTime = 0f;
+            _slideTransitionDuration = _characterConfig.slideExitDuration;
+        }
+        
+        private void UpdateSlideTransition(float deltaTime)
+        {
+            if (!_isEnteringSlide && !_isExitingSlide) return;
+
+            _slideTransitionTime += deltaTime;
+            var t = Mathf.Clamp01(_slideTransitionTime / _slideTransitionDuration);
+
+            t = Mathf.SmoothStep(0f, 1f, t);
+
+            if (_isEnteringSlide)
+            {
+                var targetHeight = _originalColliderHeight * _characterConfig.slideColliderHeightScale;
+                var targetCenterY = targetHeight * 0.5f - _originalColliderHeight * 0.5f;
+                var targetCenter = _originalColliderCenter + Vector3.up * targetCenterY;
+
+                var targetFollowPos = _originalFollowPointLocalPosition + Vector3.up * _characterConfig.slideCameraOffsetY;
+
+                _currentColliderHeight = Mathf.Lerp(_originalColliderHeight, targetHeight, t);
+                _currentColliderCenter = Vector3.Lerp(_originalColliderCenter, targetCenter, t);
+                _currentFollowPointLocalPosition = Vector3.Lerp(_originalFollowPointLocalPosition, targetFollowPos, t);
+            }
+            else if (_isExitingSlide)
+            {
+                _currentColliderHeight = Mathf.Lerp(_originalColliderHeight * _characterConfig.slideColliderHeightScale, _originalColliderHeight, t);
+                
+                var prevHeight = _originalColliderHeight * _characterConfig.slideColliderHeightScale;
+                var prevCenterY = prevHeight * 0.5f - _originalColliderHeight * 0.5f;
+                var prevCenter = _originalColliderCenter + Vector3.up * prevCenterY;
+
+                var prevFollowPos = _originalFollowPointLocalPosition + Vector3.up * _characterConfig.slideCameraOffsetY;
+
+                _currentColliderCenter = Vector3.Lerp(prevCenter, _originalColliderCenter, t);
+                _currentFollowPointLocalPosition = Vector3.Lerp(prevFollowPos, _originalFollowPointLocalPosition, t);
+            }
+
             if (_capsuleCollider)
             {
-                _capsuleCollider.height = _originalColliderHeight;
-                _capsuleCollider.center = _originalColliderCenter;
+                _capsuleCollider.height = _currentColliderHeight;
+                _capsuleCollider.center = _currentColliderCenter;
             }
 
             if (_cameraFollowPoint)
             {
-                _cameraFollowPoint.localPosition = _originalFollowPointLocalPosition;
+                _cameraFollowPoint.localPosition = _currentFollowPointLocalPosition;
             }
+
+            if (!(t >= 1f)) return;
+            
+            if (_isEnteringSlide)
+            {
+                _isEnteringSlide = false;
+                if (_capsuleCollider)
+                {
+                    _capsuleCollider.height = _originalColliderHeight * _characterConfig.slideColliderHeightScale;
+                    var h = _capsuleCollider.height;
+                    _capsuleCollider.center = _originalColliderCenter + Vector3.up * (h * 0.5f - _originalColliderHeight * 0.5f);
+                }
+                if (_cameraFollowPoint)
+                {
+                    _cameraFollowPoint.localPosition = _originalFollowPointLocalPosition + Vector3.up * _characterConfig.slideCameraOffsetY;
+                }
+            }
+            else if (_isExitingSlide)
+            {
+                _isExitingSlide = false;
+                if (_capsuleCollider)
+                {
+                    _capsuleCollider.height = _originalColliderHeight;
+                    _capsuleCollider.center = _originalColliderCenter;
+                }
+                if (_cameraFollowPoint)
+                {
+                    _cameraFollowPoint.localPosition = _originalFollowPointLocalPosition;
+                }
+            }
+
+            _currentColliderHeight = _capsuleCollider ? _capsuleCollider.height : _originalColliderHeight;
+            _currentColliderCenter = _capsuleCollider ? _capsuleCollider.center : _originalColliderCenter;
+            _currentFollowPointLocalPosition = _cameraFollowPoint ? _cameraFollowPoint.localPosition : _originalFollowPointLocalPosition;
         }
 
-        
-
         public void BeforeCharacterUpdate(float deltaTime)
         {
         }
@@ -307,6 +378,8 @@ namespace Code.Gameplay.Character.Controller
 
         public void AfterCharacterUpdate(float deltaTime)
         {
+            UpdateSlideTransition(deltaTime);
+            
             _wallLeanMechanic.Update(
                 _wallRunningMechanic.IsWallRunning,
                 _wallRunningMechanic.GetWallNormal(),