added attacks

scripts/enemy.gd

@@ -1,23 +1,20 @@
-extends CharacterBody2D
+extends Entity
 class_name Enemy
 
 @onready var sprite_2d: Sprite2D = $Sprite2D
+@onready var nav_agent: NavigationAgent2D = $NavigationAgent2D
 
-var color := Color.WHITE
-@export var speed = 100
-var lives: int = 1
+var vision: int = 100
 
 func _physics_process(delta: float) -> void:
-	velocity = Vector2.ZERO
-	if Input.is_action_pressed("ui_down"):
-		velocity += Vector2.DOWN
-	if Input.is_action_pressed("ui_up"):
-		velocity += Vector2.UP
-	if Input.is_action_pressed("ui_left"):
-		velocity += Vector2.LEFT
-	if Input.is_action_pressed("ui_right"):
-		velocity += Vector2.RIGHT
-	velocity = velocity.normalized() * speed
+	if nav_agent.is_navigation_finished():
+		call_deferred("new_target_point")
+		return
+
+	var current_agent_position: Vector2 = global_position
+	var next_path_position: Vector2 = nav_agent.get_next_path_position()
+
+	velocity = current_agent_position.direction_to(next_path_position) * speed
 	move_and_slide()
 	for i in range(get_slide_collision_count()):
 		var collision := get_slide_collision(i)
@@ -35,3 +32,19 @@ func _physics_process(delta: float) -> void:
 						speed += 12
 						color.b -= 0.25
 				sprite_2d.modulate = color
+
+func new_target_point():
+	# Wait for the first physics frame so the NavigationServer can sync.
+	await get_tree().physics_frame
+
+	var target_point := Vector2.from_angle(randf_range(0.0, TAU)) * vision
+	var map := get_world_2d().navigation_map
+	var closest_point := NavigationServer2D.map_get_closest_point(map, global_position + target_point)
+	var point_delta := closest_point - target_point
+	var is_on_map = point_delta.is_zero_approx()  # Answer to original question!
+	#if not is_on_map:
+		## Wasn't on the map, so push in from edge. If you have thin sections on
+		## your navmesh, this could push it back off the navmesh!
+		#point_delta = point_delta.normalized()
+		#closest_point += point_delta * 32
+	nav_agent.target_position = closest_point