diff --git a/game.py b/game.py
index 2933c95..7ad3e41 100644
--- a/game.py
+++ b/game.py
@@ -7,15 +7,34 @@ w, h = 640, 480
 size = [w, h]
 black = [0, 0, 0]
 
-class Player:
-	def __init__(self, oid, address, pos, color):
+def new_oid():
+	return random.randint(0,2147483648)
+
+class Obj:
+	def __init__(self, oid):
 		self.oid = oid
+	def damage(self, dmg): pass
+	def update(self): pass
+	def draw(self, surface): pass
+	def print_debug(self, lines): pass
+
+class Player(Obj):
+	def __init__(self, oid, address, pos, color):
+		Obj.__init__(self, oid)
 		self.address = address
 		self.pos = pos
 		self.color = color
 		self.speed = [0, 0]
 		self.life = 100
 		self.direction = [1, 0]
+
+	def throw_energy_ball(self):
+		oid = new_oid()
+		pos = [self.pos[0], self.pos[1]]
+		pos[0] += self.direction[0] * 16
+		pos[1] += self.direction[1] * 16
+		speed = [self.speed[0]+self.direction[0]*4, self.speed[1]+self.direction[1]*4]
+		objects[oid] = EnergyBall(oid, pos, speed)
 	
 	def stab(self):
 		for oid in players:
@@ -27,6 +46,8 @@ class Player:
 	
 	def damage(self, dmg):
 		self.life -= dmg
+		if self.life <= 0:
+			print("die!")
 	
 	def update(self):
 		self.pos[0] += self.speed[0]
@@ -40,23 +61,31 @@ class Player:
 	def print_debug(self, lines):
 		lines.append("Player {}: {}".format(self.oid, obj.address))
 
-class EnergyBall:
+class EnergyBall(Obj):
 	def __init__(self, oid, pos, speed):
-		self.oid = oid
+		Obj.__init__(self, oid)
 		self.pos = pos
 		self.speed = speed
 	
 	def update(self):
 		self.pos[0] += self.speed[0]
 		self.pos[1] += self.speed[1]
-		for oid in players:
-			player = players[oid]
-			if abs(self.pos[0]-player.pos[0])<8 or abs(self.pos[1]-player.pos[1])<8:
-				
+		for oid in objects:
+			if oid == self.oid:
+				continue
+			obj = objects[oid]
+			if abs(self.pos[0]-obj.pos[0])<8 and abs(self.pos[1]-obj.pos[1])<8:
+				obj.damage(10)
+				removable.append(self.oid)
+				return
 	
 	def draw(self, surface):
 		pygame.draw.rect(surface, (128,255,255), (self.pos[0]-2, self.pos[1]-2, 4, 4))
 	
+	def damage(self, dmg):
+		if dmg > 0:
+			removable.append(self.oid)
+	
 	def print_debug(self, lines):
 		pass
 
@@ -66,9 +95,10 @@ clock = pygame.time.Clock()
 sock = network.Sock()
 sock.listen(address)
 
-me = Player(random.randint(0,2147483648), address, [10, 10], [255, 0, 0])
+me = Player(new_oid(), address, [10, 10], [255, 0, 0])
 objects = {me.oid: me}
 players = {me.oid: me}
+removable = []
 
 def send_all(msg):
 	msg = json.dumps(msg)
@@ -87,20 +117,27 @@ while True:
 				send_all({"type":"quit", "oid":me.oid})
 				sys.exit()
 			if event.key == pygame.K_RIGHT:
+				me.direction = [1, 0]
 				me.speed[0] = 2
 				send_all({"type":"move", "oid":me.oid, "speed":me.speed})
 			elif event.key == pygame.K_LEFT:
+				me.direction = [-1, 0]
 				me.speed[0] = -2
 				send_all({"type":"move", "oid":me.oid, "speed":me.speed})
 			elif event.key == pygame.K_DOWN:
+				me.direction = [0, 1]
 				me.speed[1] = 2
 				send_all({"type":"move", "oid":me.oid, "speed":me.speed})
 			elif event.key == pygame.K_UP:
+				me.direction = [0, -1]
 				me.speed[1] = -2
 				send_all({"type":"move", "oid":me.oid, "speed":me.speed})
 			elif event.key == pygame.K_SPACE:
 				me.stab()
 				send_all({"type":"stab", "oid":me.oid})
+			elif event.key == pygame.K_c:
+				me.throw_energy_ball()
+				send_all({"type":"throw", "oid":me.oid})
 		elif event.type == pygame.KEYUP:
 			if event.key == pygame.K_RIGHT:
 				me.speed[0] = 0
@@ -149,6 +186,13 @@ while True:
 		obj.update()
 		obj.draw(screen)
 		obj.print_debug(lines)
+
+	for oid in removable:
+		if oid in objects:
+			objects.pop(oid)
+		if oid in players:
+			players.pop(oid)
+	removable = []
 	
 	xlog.display(screen, lines)