shooting example

TripleRifle.cs

using UnityEngine;

public class TripleRifle : Weapon {
    private readonly BulletPool bulletPool;
    private float cooldownTime;

    public TripleRifle( BulletPool bulletPool ) {
        this.bulletPool = bulletPool;
    }

    public void Cooldown( float time ) {
        cooldownTime -= time;
    }

    public void Fire( Vector2 position, Vector2 direction ) {
        if ( cooldownTime <= 0f ) {
            LaunchBullet( position, direction, 10f );
            LaunchBullet( position, Quaternion.Euler( 0f, 0f, 30f ) * direction, 10f );
            LaunchBullet( position, Quaternion.Euler( 0f, 0f, -30f ) * direction, 10f );

            cooldownTime = 0.1f;
        }
    }

    private void LaunchBullet( Vector2 position, Vector2 direction, float speed ) {
        Bullet bullet = bulletPool.Spawn();
        bullet.SetPosition( position );
        bullet.SetVelocity( direction * speed );
    }
}