RandomBot.js

RandomBot.js

function Bot() {
	this.grid = []
	for(var y = 0; y < 10; ++y) {
		var row = []
		for(var x = 0; x < 10; ++x) {
			row.push({
				attacked: false
			})
		}
		this.grid.push(row)
	}
}

Bot.prototype.play = function(turn) {
	// turn#attack(x, y) - attacks at (x, y), returns true if it successfully hits the opponent's ship and
	//                     returns an object {no, kind, size, x, y, direction} when it sinks a ship

	var squares = []
	for(var y = 0; y < 10; ++y) {
		for(var x = 0; x < 10; ++x) {
			if(!this.grid[y][x].attacked) {
				squares.push([x, y, this.grid[y][x]])
			}
		}
	}
	var i = Math.floor(Math.random()*squares.length)
	turn.attack(squares[i][0], squares[i][1])
	squares[i][2].attacked = true
}