extends CharacterBody3D


@export var walk_speed: float
@export var gravity: float
@export var jump_force: float

@export var level_path: Path3D


func _physics_process(delta: float) -> void:
	# snap player horizontally to path
	var path_offset = level_path.curve.get_closest_offset(level_path.to_local(global_position))
	var path_trans = level_path.curve.sample_baked_with_rotation(path_offset, true)
	global_position.x = path_trans.origin.x
	global_position.z = path_trans.origin.z
	global_transform.basis.x = -path_trans.basis.x
	global_transform.basis.z = -path_trans.basis.z
	
	# horizontal movement
	var h_movement = global_transform.basis.z * Input.get_axis(&"walk_left", &"walk_right") * walk_speed
	velocity.x = h_movement.x
	velocity.z = h_movement.z
	
	# vertical movement
	velocity.y -= gravity * delta
	if Input.is_action_just_pressed(&"jump"):
		velocity.y = jump_force
	
	move_and_slide()