move process to physics process to avoid issues

scenes/player.gd

@@ -2,40 +2,39 @@ extends CharacterBody2D
 
 const MAX_SPEED: float = 150
 
-var was_moving: bool
-var is_moving: bool
-var current_dir: String
+@onready var sprite: AnimatedSprite2D = $AnimatedSprite2D
+
+var was_moving: bool = false
+var anim_dir: String = 'down'
 
 func _ready() -> void:
-	was_moving = true
-	is_moving = false
-	current_dir = 'down'
+	sprite.play('down')
+	sprite.frame = 1
+	sprite.pause()
 
-func _process(delta: float) -> void:
-	if not is_moving and was_moving:
-		$AnimatedSprite2D.play('down')
-		$AnimatedSprite2D.frame = 1
-		$AnimatedSprite2D.pause()
-	
-	if is_moving:
-		$AnimatedSprite2D.play(current_dir)
-
-func _physics_process(delta: float) -> void:
+func _physics_process(_delta: float) -> void:
 	var movement_vector: Vector2 = get_movement_vector()
 	var direction: Vector2 = movement_vector.normalized()
 	velocity = direction * MAX_SPEED
 	
-	is_moving = velocity.length() > 10
+	move_and_slide()
+	
+	var is_moving: bool = velocity.length() > 10
 	
 	if is_moving:
 		if abs(velocity.x) > abs(velocity.y):
-			current_dir = 'right' if velocity.x > 0 else 'left'
+			anim_dir = 'right' if velocity.x > 0 else 'left'
 		else:
-			current_dir = 'down' if velocity.y > 0 else 'up'
+			anim_dir = 'down' if velocity.y > 0 else 'up'
 		
-		was_moving = true
+		sprite.play(anim_dir)
+	else:
+		if was_moving:
+			sprite.play('down')
+			sprite.frame = 1
+			sprite.pause()
 	
-	move_and_slide()
+	was_moving = is_moving
 
 func get_movement_vector() -> Vector2:
 	var x_mov: float = Input.get_action_strength('move_right') - Input.get_action_strength('move_left')