it works

scripts/playermovement.gd

@@ -0,0 +1,41 @@
+extends CharacterBody2D
+@onready var mysprite = $AnimatedSprite2D
+
+const SPEED = 100.0
+const JUMP_VELOCITY = -250.0
+
+func _physics_process(delta: float) -> void:
+	# Add the gravity.
+	if not is_on_floor():
+		velocity += get_gravity() * delta
+
+	# Handle jump.
+	if Input.is_action_just_pressed("jump") :
+		if is_on_floor():
+			velocity.y = JUMP_VELOCITY
+	
+	# gets dir -1,0,1
+	var direction := Input.get_axis("move_left", "move_right")
+
+	#flip sprite
+	var flippy = direction<0
+	mysprite.flip_h = flippy
+	
+	if is_on_floor():
+		if direction==0:
+			mysprite.play("default")
+		else:
+			mysprite.play("run")
+	else:
+		mysprite.play("jump")
+	
+	
+	
+
+
+	if direction:
+		velocity.x = direction * SPEED
+	else:
+		velocity.x = move_toward(velocity.x, 0, SPEED)
+	
+	move_and_slide()