chatGPT enemy AI pathfinder script

extends KinematicBody

# Speed of the character in units per second
export var speed = 3

# List of points representing the path to follow
var path = []

# Current index in the path list
var cur_path_idx = 0

# Target position to move towards
var target = null

# Current velocity of the character
var velocity = Vector3.ZERO

# Distance threshold for reaching a target position
var threshold = .1

# Reference to the Navigation node
onready var nav = get_parent()

# Reference to the AnimationPlayer node
onready var animatedSprite = get_node("AnimatedSprite3D")

func _ready():
	# Wait for the owner and player nodes to be ready
	yield(owner, "ready")
	yield(get_node("../../player"), "ready")

	# Set the target position to the player's global transform origin
	target = get_node("../../player").global_transform.origin

func _physics_process(delta):
	# Update the character's movement and animation
	update_movement()
	update_animation()

func update_movement():
	if path.size() > 0:
		# Follow the path if there is one
		move_along_path()
	else:
		# Move towards the target position if there is no path
		move_towards_target()

func move_along_path():
	if cur_path_idx >= path.size():
		return

	if global_transform.origin.distance_to(path[cur_path_idx]) < threshold:
		# Advance to the next point in the path if the character is close enough
		cur_path_idx += 1

	else:
		# Calculate the direction to the next point in the path
		var direction = path[cur_path_idx] - global_transform.origin
		velocity = direction.normalized() * speed
		move_and_slide(velocity, Vector3.UP)

func move_towards_target():
	if cur_path_idx >= path.size():
		return

	if global_transform.origin.distance_to(path[cur_path_idx]) < threshold:
		cur_path_idx += 1

	else:
		var direction = path[cur_path_idx] - global_transform.origin
		velocity = direction.normalized() * speed
		move_and_slide(velocity, Vector3.UP)

func update_animation():
	if velocity.length() > 0:
		# Play the "Walk" animation if the character is moving
		$AnimatedSprite3D.play("walking")
	else:
		# Stop the current animation if the character is not moving
		$AnimatedSprite3D.play("idle")

func get_target_path(target_pos):
	# Calculate the simple path to the target position
	path = nav.get_simple_path(global_transform.origin, target_pos)
	cur_path_idx = 0

func _on_Timer_timeout():
	# Update the target position and path every frame
	target = get_node("../../player").global_transform.origin
	get_target_path(target.global_transform.origin)