Reworked for tabs. Added Player

game/entities/player.gd

@@ -0,0 +1,10 @@
+extends Node2D
+
+
+func _process(delta: float) -> void:
+	var speed := 100
+	var input_direction := Input.get_vector("move_left", "move_right", "move_up", "move_down")
+	var velocity := input_direction * speed
+	position += velocity * delta
+	var screen_size := get_viewport_rect().size
+	position = position.clamp(Vector2.ZERO, screen_size)