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Solution to level 11 in Untrusted: http://alex.nisnevich.com/untrusted/
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/* | |
* robot.js | |
* | |
* You'll need three keys in order to unlock the | |
* Algorithm: the red key, the green key, and the | |
* blue key. Unfortunately, all three of them are | |
* behind human-proof barriers. | |
* | |
* The plan is simple: reprogram the maintenance | |
* robots to grab the key and bring it through | |
* the barrier to us. | |
* | |
* Let's try it on the red key first. | |
*/ | |
function getRandomInt(min, max) { | |
return Math.floor(Math.random() * (max - min + 1)) + min; | |
} | |
function startLevel(map) { | |
// Hint: you can press R or 5 to "rest" and not move the | |
// player, while the robot moves around. | |
map.placePlayer(map.getWidth()-2, map.getHeight()-2); | |
var player = map.getPlayer(); | |
map.defineObject('robot', { | |
'type': 'dynamic', | |
'symbol': 'R', | |
'color': 'gray', | |
'onCollision': function (player, me) { | |
me.giveItemTo(player, 'redKey'); | |
}, | |
'behavior': function (me) { | |
// Available commands: me.move(direction) | |
// and me.canMove(direction) | |
if(me.canMove('right')){ | |
me.move('right'); | |
}else{ | |
me.move('down'); | |
} | |
} | |
}); | |
map.defineObject('barrier', { | |
'symbol': '░', | |
'color': 'purple', | |
'impassable': true, | |
'passableFor': ['robot'] | |
}); | |
map.placeObject(0, map.getHeight() - 1, 'exit'); | |
map.placeObject(1, 1, 'robot'); | |
map.placeObject(map.getWidth() - 2, 8, 'redKey'); | |
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'); | |
} | |
} | |
function validateLevel(map) { | |
map.validateExactlyXManyObjects(1, 'exit'); | |
map.validateExactlyXManyObjects(1, 'robot'); | |
map.validateAtMostXObjects(1, 'redKey'); | |
} | |
function onExit(map) { | |
if (!map.getPlayer().hasItem('redKey')) { | |
map.writeStatus("We need to get that key!"); | |
return false; | |
} else { | |
return true; | |
} | |
} | |
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