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package pong.imperative | |
sealed trait Event | |
class PongConnection { | |
def isConnected(): Boolean = sys.error("not implemented") | |
def readEvent(): Event = sys.error("not implemented") | |
def moveUp(): Unit = sys.error("not implemented") | |
def moveDown(): Unit = sys.error("not implemented") | |
def shootMissile(): Unit = sys.error("not implemented") | |
} | |
class Bot(connection: PongConnection) { | |
var myDirection = 0 | |
var missileInventory = 0 | |
var enemyPosition = 0 | |
def update(event: Event) { | |
if (conditionA(event)) { | |
goUp() | |
} else if (conditionB(event)) { | |
shootMissile() | |
} | |
} | |
private def goUp() { | |
myDirection = 1 | |
connection.moveUp() | |
} | |
private def shootMissile() { | |
missileInventory -= 1 | |
connection.shootMissile() | |
} | |
private def conditionA(event: Event): Boolean = sys.error("not implemented") | |
private def conditionB(event: Event): Boolean = sys.error("not implemented") | |
} | |
object Pong extends App { | |
val connection = new PongConnection | |
val bot = new Bot(connection) | |
while (connection.isConnected()) { | |
val event = connection.readEvent() | |
bot.update(event) | |
} | |
} |
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