# Solution to level 9 in Untrusted: http://alex.nisnevich.com/untrusted/

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``````/**********************
* fordingTheRiver.js *
**********************
*
* And there's the river. Fortunately, I was prepared for this.
* See the raft on the other side?
*
* Everything is going according to plan.
*/

function startLevel(map) {
var raftDirection = 'down';

map.placePlayer(map.getWidth()-1, map.getHeight()-1);
var player = map.getPlayer();

map.defineObject('raft', {
'type': 'dynamic',
'symbol': '▓',
'color': '#420',
'transport': true, // (prevents player from drowning in water)
'behavior': function (me) {
me.move(raftDirection);
}
});

map.defineObject('water', {
'symbol': '░',
'color': '#44f',
'onCollision': function (player) {
player.killedBy('drowning in deep dark water');
}
});

for (var x = 0; x < map.getWidth(); x++) {
for (var y = 5; y < 15; y++) {
map.placeObject(x, y, 'water');
}
}

map.placeObject(20, 5, 'raft');
map.placeObject(0, 2, 'exit');
map.placeObject(0, 1, 'block');
map.placeObject(1, 1, 'block');
map.placeObject(0, 3, 'block');
map.placeObject(1, 3, 'block');

player.setPhoneCallback(function(){ raftDirection='up'; })

}

function validateLevel(map) {
map.validateExactlyXManyObjects(1, 'exit');
map.validateExactlyXManyObjects(1, 'raft');
}
``````