Smooth cell to cell player movement

entities/player/player.gd

@@ -1,28 +1,55 @@
 extends CharacterBody2D
 
-@export var speed: float = 400
+@export var speed: float = 40
 
 @onready var raycast: RayCast2D = $RayCast2D
 
+const TILE_SIZE = 8
+
+var is_moving = false
+var input_dir: Vector2
+var prev_input: Vector2
+
 func _ready():
 	pass
 
-func _process_movement():
-	velocity = Vector2.ZERO
+func _process(delta):
+	_try_interact()
+	pass
+	
+func _physics_process(delta):
+	_try_move()
+	
+	
+func _try_move():
+	input_dir = Vector2.ZERO
 	if Input.is_action_pressed("move_up"):
-		velocity.y -= 1
+		input_dir = Vector2.UP
 	elif Input.is_action_pressed("move_right"):
-		velocity.x += 1
+		input_dir = Vector2.RIGHT
 	elif Input.is_action_pressed("move_down"):
-		velocity.y += 1
+		input_dir = Vector2.DOWN
 	elif Input.is_action_pressed("move_left"):
-		velocity.x -= 1
+		input_dir = Vector2.LEFT
 		
-	if velocity.length() > 0:
-		velocity = velocity.normalized() * speed
-		raycast.target_position = velocity.normalized() * 8
+	if input_dir and !is_moving:
+		raycast.target_position = input_dir * 8
 
-	move_and_slide()
+		if input_dir != prev_input:
+			prev_input = input_dir
+			return
+
+		var collision = raycast.get_collider()
+		if raycast.is_colliding():
+			return
+			
+		is_moving = true
+		prev_input = input_dir
+		var tween = create_tween()
+		tween.tween_property(self, "position", position + input_dir * TILE_SIZE, 0.25)
+		tween.tween_callback(func(): 
+			is_moving = false
+		)
 
 func _try_interact():
 	if Input.is_action_just_pressed("attack") and raycast.is_colliding():
@@ -31,10 +58,3 @@ func _try_interact():
 			(collision as PuzzleElement).interact()
 		pass
 	pass
-
-func _process(delta):
-	_try_interact()
-	pass
-	
-func _physics_process(delta):
-	_process_movement()

entities/player/player.tscn

@@ -48,7 +48,6 @@ size = Vector2(8, 8)
 z_index = 1
 collision_mask = 3
 script = ExtResource("1_jrd75")
-speed = 40.0
 
 [node name="Camera2D" type="Camera2D" parent="."]
 
@@ -68,4 +67,4 @@ shape = SubResource("RectangleShape2D_l7fhd")
 
 [node name="RayCast2D" type="RayCast2D" parent="."]
 target_position = Vector2(0, 8)
-collision_mask = 2
+collision_mask = 3