3D Game Programming

The following will move the goal (after a 2-second delay):

functionmoveGoal() {

scene.remove(goal);

setTimeout(placeGoal, 2*1000);

}

That should do it. Now if you reach the goal on the first level, you should be

greeted not with a Win! message on the scoreboard, but with a new level that

has a single obstacle in the way. If you’re very skilled, you can win after the

second level:

19.3 Adding Finishing Touches to the Game

This is already a pretty cool game, but we’ve positioned ourselves nicely for

adding touches that can make it more unique and fun. The most obvious

thing to do is add new levels. You can try the following (and possibly add a

few of your own) after the first level and before the avatar.addEventListener():

levels.addLevel([

buildObstacle('platform', 0, 0.5 * height/2 * Math.random()),

buildObstacle('platform', 0, -0.5 * height/2 * Math.random())

]);

levels.addLevel([

buildObstacle('platform', 0, 0.5 * height/2 * Math.random()),

buildObstacle('platform', 0, -0.5 * height/2 * Math.random()),

buildObstacle('stalactite', -0.33 * width, height/2),

buildObstacle('stalactite', 0.33 * width, height/2)

]);

We can also add some of the sounds from Chapter 11, Project: Fruit Hunt, on

page 99. We can make the avatar click when it hits something that is not the

report erratum • discuss

Adding Finishing Touches to the Game • 183

Prepared exclusively for Michael Powell