using Engine.Core;

namespace Engine.Physics2D;

/// <summary>
/// Represents a 2D raycast resolver.
/// </summary>
public interface IRaycastResolver2D
{
    /// <summary>
    /// Casts a <see cref="Ray2D"/> against a specific <see cref="ICollider2D"/> shape and returns the first hit, if any.
    /// </summary>
    /// <typeparam name="T">The type of the <see cref="ICollider2D"/>, which must implement <see cref="ICollider2D"/>.</typeparam>
    /// <param name="shape">The <see cref="ICollider2D"/> shape to test against.</param>
    /// <param name="ray">The <see cref="Ray2D"/> to cast.</param>
    /// <param name="length">
    /// The maximum distance to check along the <see cref="Ray2D"/>. Defaults to <see cref="float.MaxValue"/>.
    /// </param>
    /// <returns>
    /// A <see cref="RaycastResult"/> containing information about the intersection, or <see cref="null"/> if there was no hit.
    /// </returns>
    RaycastResult? RaycastAgainst<T>(T shape, Ray2D ray, float length = float.MaxValue) where T : ICollider2D;
}