using UnityEngine;

namespace BaseGames.Combat
{
    /// <summary>
    /// 抛物线抛射物。以 <see cref="ProjectileConfigSO.LaunchAngleDeg"/> 指定抛射角，
    /// 并启用重力缩放，使子弹呈弧线飞行。
    /// </summary>
    public class ArcProjectile : Projectile
    {
        protected override void OnInitialized()
        {
            float rad  = _config.LaunchAngleDeg * Mathf.Deg2Rad;
            float vX   = Mathf.Cos(rad) * _config.Speed * Mathf.Sign(Direction.x == 0f ? 1f : Direction.x);
            float vY   = Mathf.Sin(rad) * _config.Speed;

            _rb.velocity     = new Vector2(vX, vY);
            _rb.gravityScale = _config.GravityScale;
        }

        protected override void OnDisable()
        {
            base.OnDisable();
            _rb.gravityScale = 0f;
        }
    }
}