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Created September 2, 2014 16:40
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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) {
me.running = me.running || false;
me.startX = me.startX || undefined;
me.startY = me.startY || undefined;
var getDirection = function(x1,y1,x2,y2) {
var dx = x2 - x1;
var dy = y2 - y1;
if(dy > 0) {
return 'up';
} else if (dy < 0) {
return 'down';
}
if(dx > 0) {
return 'left';
} else if (dx < 0) {
return 'right'
}
}
var trackPlayer = function() {
me.startX = player.getX();
me.startY = player.getY();
}
player.setPhoneCallback(function() {
me.running = !me.running;
});
if(me.running === true) {
var direction = getDirection(
player.getX(), player.getY(), me.startX, me.startY
);
me.move(direction);
}
trackPlayer();
}
});
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;
}
}
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