static bool CanUse(Vector3 position, Rigidbody2D body, ExplosionForce2DMode mode)
{
if (mode == ExplosionForce2DMode.Simple)
{
return(true);
}
RaycastHit2D hit = Physics2D.Linecast(position, body.position);
if (hit.rigidbody != null && hit.rigidbody == body)
{
return(true);
}
return(false);
}
/// <summary>
/// Эффект взрыва для 2D игры.
/// </summary>
/// <param name="explosionForce">Сила взрыва.</param>
/// <param name="explosionPosition">Точка взрыва.</param>
/// <param name="explosionRadius">Радиус взрыва.</param>
/// <param name="mode">Режим эффекта. Simple - не учитывает преграды. Adaptive - учитывает окружение.</param>
/// <param name="layerMask">Фильтр по маске слоя.</param>
public static void AddExplosionForce2D(float explosionForce, Vector3 explosionPosition, float explosionRadius, ExplosionForce2DMode mode = ExplosionForce2DMode.Simple, int layerMask = Physics2D.AllLayers)
{
Collider2D[] colliders = Physics2D.OverlapCircleAll(explosionPosition, explosionRadius, layerMask);
foreach (Collider2D hit in colliders)
{
if (hit.attachedRigidbody != null)
{
Vector3 direction = hit.transform.position - explosionPosition;
direction.z = 0;
if (CanUse(explosionPosition, hit.attachedRigidbody, mode))
{
hit.attachedRigidbody.AddForce(direction.normalized * explosionForce);
}
}
}
}
