Incorporating Unity 2D - Unity for Absolute Beginners - page 441

1. Open the SpawnBunnies script.
In the PopulateGardenBunnies function, you return immediately if canReproduce is false . You can't
use return inside the coroutine, so if the first yield return new WaitForSeconds is running when
the limit is reached, the stork will be cued. You can, however, wrap the code that follows the yield
statement in a conditional to achieve the same result.

Inside the IEnumerator StartReproducing , below the first yield return new
WaitForSeconds , add:

2.

if (canReproduce) { // check the status before continuing after the pause

At the bottom of the IEnumerator StartReproducing , below the if
(canReproduce) StartCoroutine(StartReproducing(10f)) line, add the
closing curly bracket and indent the contents.

3.

To be safe, you should prevent the bundle from dropping if the limit is reached while the stork has
the bundle in its beak.

Add another if (canReproduce) { line after the second yield line, yield
return new WaitForSeconds(Random.Range (1f,2f)) .

4.

The if (canReproduce) in front of the StartCoroutine(StartReproducing
(reproRate)) line is now redundant and can be removed.

5.

6. Add the closing curly bracket after it.

The last conditional (minus earlier code that was commented out) should look as follows:

yield return new WaitForSeconds(Random.Range (1f,2f)); // finish the adjusted time
if (canReproduce) {
beak.SetBool("Cue the Beak", true);
DropBundle();
StartCoroutine(StartReproducing(reproRate));
}

7. Save the script.
8. From Garden 1, activate the Plant Zone[s] and click Play.
9. Shoot down to 11 zombie bunnies remaining, and wait for the stork to
fly by before shooting the next one.
The stork, fully loaded, continues on without dropping his bundle (Figure 9-50 ).