Skip to content

Instantly share code, notes, and snippets.

Created May 28, 2014 14:30
Show Gist options
  • Save anonymous/169ca7bf5a86b893533f to your computer and use it in GitHub Desktop.
Save anonymous/169ca7bf5a86b893533f to your computer and use it in GitHub Desktop.
Solution to level 12 in Untrusted: http://alex.nisnevich.com/untrusted/
/*
* robotNav.js
*
* The green key is located in a slightly more
* complicated room. You'll need to get the robot
* past these obstacles.
*/
function startLevel(map) {
// Hint: you can press R or 5 to "rest" and not move the
// player, while the robot moves around.
map.placePlayer(0, map.getHeight() - 1);
var player = map.getPlayer();
map.defineObject('robot', {
'type': 'dynamic',
'symbol': 'R',
'color': 'gray',
'onCollision': function (player, me) {
me.giveItemTo(player, 'greenKey');
},
'behavior': function (me) {
//if (me.canMove('right')) {
// me.move('right');
//} else {
// me.move('down');
//}
function headFor(me, x, y) {
var dX = x - me.getX(),
dY = y - me.getY();
if (dX > Math.abs(dY)) {
me.move('right');
} else {
if (dY < 0) {
me.move('up');
} else if (dY > 0) {
me.move('down');
}
}
}
var X = me.getX();
if (X < 17) {
headFor(me, 17, 5);
} else if (X < 32) {
headFor(me, 32, 4);
} else if (X < map.getWidth() -2) {
headFor(me, map.getWidth() - 2, 8);
} else {
me.move('down');
}
}
});
map.defineObject('barrier', {
'symbol': '░',
'color': 'purple',
'impassable': true,
'passableFor': ['robot']
});
map.placeObject(map.getWidth() - 1, map.getHeight() - 1, 'exit');
map.placeObject(1, 1, 'robot');
map.placeObject(map.getWidth() - 2, 8, 'greenKey');
map.placeObject(map.getWidth() - 2, 9, 'barrier');
for (var x = 0; x < map.getWidth(); x++) {
map.placeObject(x, 0, 'block');
if (x != map.getWidth() - 2) {
map.placeObject(x, 9, 'block');
}
}
for (var y = 1; y < 9; y++) {
map.placeObject(0, y, 'block');
map.placeObject(map.getWidth() - 1, y, 'block');
}
for (var i = 0; i < 4; i++) {
map.placeObject(20 - i, i + 1, 'block');
map.placeObject(35 - i, 8 - i, 'block');
}
}
function validateLevel(map) {
map.validateExactlyXManyObjects(1, 'exit');
map.validateExactlyXManyObjects(1, 'robot');
map.validateAtMostXObjects(1, 'greenKey');
}
function onExit(map) {
if (!map.getPlayer().hasItem('greenKey')) {
map.writeStatus("We need to get that key!");
return false;
} else {
return true;
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment