class_name PointSpray extends Spray
## Simple single-point spraygun

@export var spray_scale := 1.5

@onready var laser: LaserCast = %LaserCast
@onready var spray_effect: MeshInstance3D = %SprayEffect

@onready var beam_particles_1: GPUParticles3D = $BeamParticles1
@onready var beam_particles_2: GPUParticles3D = $BeamParticles2


func _fire() -> void:
	if laser.is_colliding():
		var collider := laser.get_collider()
		if collider is GunkBody:
			var point := laser.get_collision_point()
			var point_scale := point.distance_to(global_position) * spray_scale
			(collider as GunkBody).paint_continuous(
				point, laser.get_collision_normal(), point_scale
			)

	spray_effect.visible = true
	beam_particles_1.emitting = true
	beam_particles_2.emitting = true


func _idle() -> void:
	spray_effect.visible = false
	beam_particles_1.emitting = false
	beam_particles_2.emitting = false