Unity Triggers - Creating Games with Unity and Maya - page 362

Step 21: Save and return to Unity. Fix any syntax errors that pop up in the
console.
Step 22: Attach this script to Trigger-FindDoorHint (the big cube acting as
a trigger).
Step 23: Play the game. The cube is probably big and dark in your
scene, but will be easy to see. As you walk through it, the text “Find the
secure entrance to the base” will appear at the bottom of the screen and
disappear after 3 seconds. If this doesn't happen, double-check all the
names called for in the scripts.
Tips and Tricks
The approach we've used here of nesting all the variables in private
variables and using the GameObject.Find and GetComponent
methodologies keep the Unity editor clean. We don't need to connect
a bunch of objects manually to any scripts, we are taking care of it in
script. The benefit of this is if for some reason an object is deleted and
we recreate it, we don't have to remember the places where it had to be
plugged in. The drawback is that the connections of objects to scripts can
only be seen in the scripts and not directly in the Editor. There are trade
offs either way.
Step 24: Create additional cubes (converted to triggers) for the Trigger-
WaterHint (around the water areas) and Trigger-EMPHint (as the player
approaches the door) triggers. Be sure that these triggers also include the
EntryWayTextTriggerScript. Remember this can also be done by copying/
pasting the Trigger-FindDoorHint GameObject and moving/scaling/
rotating/renaming the copy. Notice that in Figure 13.6 there are two large
triggers covering the canal part. As long as both of these triggers have the
same name, our mechanism will work.
Figure 13.6 Additional triggers
in the scene to provide additional
on-screen hints.
Step 25: Test the triggers. Play the game and see if indeed the text
appears and changes at the appropriate places.