added restarting functions

libs/restart.lua

@@ -0,0 +1,49 @@
+-- Functions to handle restarting
+-- all objects
+-- Used in map switching and restarting!
+
+function ClearWalls()
+	for w in pairs(Walls) do
+		Walls[w] = nil
+	end
+
+	Walls = {}
+end
+
+function StopAllMusic()
+	-- TODO: maybe find a way
+	-- to find all 'streaming'
+	-- sounds and then stop them all!
+	musicBattle:stop()
+	musicMenu:stop()
+	musicPause:stop()
+	musicStory:stop()
+end
+
+function ClearPlayerCollision()
+	UserPlayer1.collider:destroy()
+	UserPlayer2.collider:destroy()
+end
+
+function ClearBullets(bullets)
+	for i, v in ipairs(bullets) do
+		v.collider:destroy()
+	end
+end
+
+function RestartGame()
+	-- Stop the music
+	StopAllMusic()
+
+	-- Clear the players collision
+	ClearPlayerCollision()
+
+	-- Work through and delete all bullets
+	ClearBullets(Bullets1)
+	ClearBullets(Bullets2)
+
+	--Clear Walls
+	--ClearWalls()
+
+	-- Done!
+end