public ComponentArray <T> GetComponentArray <T>()
{
var r = componentArrays[ComponentTypeManager.GetTypeIndex <T>()];
if (r == null)
{
throw new ArgumentException($"Entity not contains component of type {typeof(T)}");
}
return((ComponentArray <T>)r);
}
public bool HasComponent <T>()
{
var typeId = ComponentTypeManager.GetTypeIndex <T>();
return(componentArrays.Length > typeId && componentArrays[typeId] != null);
}