/// <summary>
/// Creates a new <see cref="Resource"/> iff
/// the current <see cref="resource"/> is null and
/// the current <see cref="Time.time"/> is greater
/// or equal to the <see cref="timeToSpawn"/>. Afterwards
/// it is handed to the <see cref="output"/>.
/// </summary>
void Update()
{
if (resource == null && Time.time > timeToSpawn)
{
resource = (Resource)Instantiate(resourceTemplate, transform.position, transform.rotation);
}
if (resource != null && output != null && output.Accepts(resource))
{
output.Take(resource);
resource = null;
timeToSpawn = Time.time + cooldown;
}
}
/// <summary>
/// Iff cargo is not null, its progress is
/// computed with regard to the given <see cref="speed"/>.
/// Iff the <see cref="progress"/> is greater or equal
/// one the cargo will be handed to the registered
/// <see cref="output"/>. Iff there is no <see cref="output"/>
/// or it does not accept the cargo nothing happens until
/// this state of affair changes. <see cref="SetPosition"/>
/// is called afterwards.
/// </summary>
public void Update()
{
if (cargo == null)
{
return;
}
progress += speed * Time.deltaTime;
if (progress >= 1)
{
progress = 1;
if (output != null && output.Accepts(cargo))
{
output.Take(cargo);
cargo = null;
progress = 0;
return;
}
}
SetPosition();
}