cave-of-dreams/scripts/projectiles/bullet.gd

extends Node3D

# Called when the node enters the scene tree for the first time.
func pow() -> void:
	var going = true
	
	while going:
		$Hit.force_raycast_update()
		var hit = $Hit.get_collider()
		
		if hit and hit.name == "Player":
			pass
		elif not hit: 
			print("hit nothing")
			break
		elif "health" in hit:
			hit.health -= 100
			if "on_knockback" in hit: hit.on_knockback()
			print(hit.name, hit.health)
		else:
			print("no health in hit: ", hit.name)
			break
			
		$Hit.add_exception(hit)
		
	$Hit.force_raycast_update()
	var final_point = $Hit.get_collision_point()
	
	$Line.position.x = -(final_point - global_position).length() / 2.0
	$Line.height = (final_point - global_position).length()

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	$Line.radius -= delta * 0.2
	
	if $Line.radius <= 0.001: queue_free()