3D Game Programming

varscoreboard =newScoreboard();

scoreboard.timer();

scoreboard.countdown(40);

scoreboard.help(

"Get the green ring. "+

"Click and drag blue ramps. "+

"Click blue ramps and press S to spin. "+

"Left and right arrows to move player. "+

"Be quick!"

);

scoreboard.onTimeExpired(function() {

scoreboard.setMessage("Game Over!");

gameOver();

});

varpause = false;

functiongameOver() {

if(scoreboard.getTimeRemaining() > 0) scoreboard.setMessage('Win!');

scoreboard.stopCountdown();

scoreboard.stopTimer();

pause = true;

}

functionLevels(scoreboard, scene) {

this.scoreboard = scoreboard;

this.scene = scene;

this.levels = [];

this.current_level = 0;

}

Levels.prototype.addLevel =function(things_on_this_level) {

this.levels.push(things_on_this_level);

};

Levels.prototype.thingsOnCurrentLevel =function() {

returnthis.levels[this.current_level];

};

Levels.prototype.draw =function() {

varscene = this.scene;

this.thingsOnCurrentLevel().forEach(function(thing) {

scene.add(thing);

});

};

Levels.prototype.erase =function() {

varscene = this.scene;

this.thingsOnCurrentLevel().forEach(function(obstacle) {

scene.remove(obstacle);

});

report erratum • discuss

Code: Multilevel Game • 263

Prepared exclusively for Michael Powell