use rand::Rng;
use rapier2d::{dynamics::RigidBodyHandle, geometry::ColliderHandle};

use galactica_gameobject as object;

/// A single projectile in the world
#[derive(Debug)]
pub struct ProjectileWorldObject {
	/// This projectile's game data
	pub projectile: object::Projectile,

	/// This projectile's rigidbody
	pub rigid_body: RigidBodyHandle,

	/// This projectile's collider
	pub collider: ColliderHandle,

	/// This projectile's size variation
	pub size_rng: f32,
}

impl ProjectileWorldObject {
	/// Make a new projectile
	pub fn new(
		projectile: object::Projectile,
		rigid_body: RigidBodyHandle,
		collider: ColliderHandle,
	) -> Self {
		let mut rng = rand::thread_rng();
		let size_rng = projectile.content.size_rng;
		ProjectileWorldObject {
			rigid_body,
			collider,
			projectile,
			size_rng: rng.gen_range(-size_rng..=size_rng),
		}
	}
}