path: root/assets/weapons/goo_gun/GooGun.gd

extends Spatial

export var is_firing = false
export var fire_rate = 0.075
export var projectile_material : Material = null
export var projectile_spread = 0 #TODO
export var projectile_scalar = 40
export var look_angle = 0
export var weapon_pitch = 0

var time_since_fire = 0

var Bullet = preload("res://assets/weapons/goo_gun/Bullet.tscn")

func _physics_process(delta):
    if is_firing:
        time_since_fire += delta
        if time_since_fire >= fire_rate:
            time_since_fire -= fire_rate
            do_fire_projectile()
    else:
        time_since_fire = fire_rate

func do_fire_projectile():
    var bullet = Bullet.instance()
    bullet.material = projectile_material
    $Nozzle.add_child(bullet)
    bullet.set_as_toplevel(true)
    var shoot_direction = Vector3.FORWARD.rotated(Vector3.LEFT, weapon_pitch)
    shoot_direction = shoot_direction.rotated(Vector3.UP, look_angle)
    bullet.apply_central_impulse(shoot_direction.normalized() * projectile_scalar)