View difference between Paste ID: eZwifVAF and gjG6MXHq

 -- Original by Vilsol in pastebin gjG6MXHq
 --
 -- Added initializing screen with 8 gliders to form a glider gun by Forgotten_Boy.
 board = {}
 tArgs = { ... }
 generation = 0
 sleeptime = 0.5
 
 if(tArgs[1] == "left" or tArgs[1] == "right" or tArgs[1] == "top" or tArgs[1] == "bottom" or tArgs[1] == "front" or tArgs[1] == "back")then
 	mon = peripheral.wrap(tArgs[1])
 else
 	mon = term
 end
 
 if(mon.isColor() or mon.isColor)then
 	colored = true
 else
 	colored = false
 end
 
 w, h = mon.getSize()
 
 for x = 1, w do
 	board[x] = {}
 	for y = 1, h do
 		board[x][y] = 0
 	end
 end
 
 function drawScreen()
 	w, h = mon.getSize()
 	for x = 1, w do
 		for y = 1, h do
 			nei = getNeighbours(x, y)
 			if(board[x][y] == 1)then
 				if colored then
 					if(nei < 2 or nei > 3)then
 						mon.setBackgroundColor(colors.red)
 					else
 						mon.setBackgroundColor(colors.green)
 					end
 				else
 					mon.setBackgroundColor(colors.white)
 				end
 			else
 				if colored then
 					if(nei == 3)then
 						mon.setBackgroundColor(colors.yellow)
 					else
 						mon.setBackgroundColor(colors.black)
 					end
 				else
 					mon.setBackgroundColor(colors.black)
 				end
 			end
 			mon.setCursorPos(x, y)
 			mon.write(" ")
 		end
 	end
 	mon.setCursorPos(1,1)
 	if colored then
 		mon.setTextColor(colors.blue)
 	end
 	mon.write(generation)
 end
 
 function getNeighbours(x, y)
 	w, h = mon.getSize()
 	total = 0
 	if(x > 1 and y > 1)then if(board[x-1][y-1] == 1)then total = total + 1 end end
 	if(y > 1)then if(board[x][y-1] == 1)then total = total + 1 end end
 	if(x < w and y > 1)then if(board[x+1][y-1] == 1)then total = total + 1 end end
 	if(x > 1)then if(board[x-1][y] == 1)then total = total + 1 end end
 	if(x < w)then if(board[x+1][y] == 1)then total = total + 1 end end
 	if(x > 1 and y < h)then if(board[x-1][y+1] == 1)then total = total + 1 end end
 	if(y < h)then if(board[x][y+1] == 1)then total = total + 1 end end
 	if(x < w and y < h)then if(board[x+1][y+1] == 1)then total = total + 1 end end
 	return total
 end
 
 function compute()
 	w, h = mon.getSize()
 	while true do
 		newBoard = {}
 		for x = 1, w do
 			newBoard[x] = {}
 			for y = 1, h do
 				nei = getNeighbours(x, y)
 				if(board[x][y] == 1)then
 					if(nei < 2)then
 						newBoard[x][y] = 0
 					elseif(nei > 3)then
 						newBoard[x][y] = 0
 					else
 						newBoard[x][y] = 1
 					end
 				else
 					if(nei == 3)then
 						newBoard[x][y] = 1
 					end
 				end
 			end
 		end
 		board = newBoard
 		generation = generation + 1
 		sleep(sleeptime)
 	end
 end
 
 function loop()
 	while true do
 		event, variable, xPos, yPos = os.pullEvent()
 		if event == "mouse_click" or event == "monitor_touch" or event == "mouse_drag" then
 			if variable == 1 then
 				board[xPos][yPos] = 1
 			else
 				board[xPos][yPos] = 0
 			end
 		end
 		if event == "key" then
 			if tostring(variable) == "28" then
 				return true
 			elseif tostring(variable) == "57" then
 				if(mon.isColor() or mon.isColor)then
 					colored = not colored
 				end
 			elseif tostring(variable) == "200" then
 				if sleeptime > 0.1 then
 					sleeptime = sleeptime - 0.1
 				end
 			elseif tostring(variable) == "208" then
 				if sleeptime < 1 then
 					sleeptime = sleeptime + 0.1
 				end
 			end
 		end
 		drawScreen()
 	end
 end
 
 function intro()
 	mon.setBackgroundColor(colors.black)
 	mon.clear()
 	mon.setCursorPos(1,1)
 	mon.write("Conway's Game Of Life")
 	mon.setCursorPos(1,2)
 	mon.write("It is a game which represents life.")
 	mon.setCursorPos(1,3)
 	mon.write("The game runs by 4 basic rules:")
 	mon.setCursorPos(1,4)
 	mon.write("1. If a cell has less than 2 neighbours, it dies.")
 	mon.setCursorPos(1,5)
 	mon.write("2. If a cell has 2 or 3 neightbours, it lives.")
 	mon.setCursorPos(1,6)
 	mon.write("3. If a cell has more than 3 neighbours, it dies.")
 	mon.setCursorPos(1,7)
 	mon.write("4. If a cell has exactly 3 neighbours it is born.")
 	mon.setCursorPos(1,9)
 	mon.write("At the top left is the generation count.")
 	mon.setCursorPos(1,10)
 	mon.write("Press spacebar to switch between color modes")
 	mon.setCursorPos(1,11)
 	mon.write("Press enter to start  the game")
 	mon.setCursorPos(1,13)
 	mon.write("Colors:")
 	mon.setCursorPos(1,14)
 	mon.write("Red - Cell will die in next generation")
 	mon.setCursorPos(1,15)
 	mon.write("Green - Cell will live in next generation")
 	mon.setCursorPos(1,16)
 	mon.write("Yellow - Cell will be born in next generation")
 	mon.setCursorPos(1,18)
 	mon.write("Press any key to continue!")
 	event, variable, xPos, yPos = os.pullEvent("key")
 end
 
 
 if (w >=47) then
 -- initialize the screen with 8 gliders to synthesize a glider gun
 	print(" Gosper Gun initializing...")
 	x = 1
 	y = 1
 	data = "16bo30b$16bobo16bo11b$16b2o17bobo9b$obo10bo21b2o10b$b2o11b2o31b$bo11b2o32b3$10b2o20b2o13b$11b2o19bobo9b3o$10bo21bo11bo2b$27bo17bob$27b2o18b$26bobo!"
 	for one in string.gmatch(data, "%d*[%w$!]") do
 		count = 1
 		start, fin = string.find(one, "%d*")
 		token  = string.sub(one, start, fin)
 		kind = string.sub(string.reverse(one), 1, 1)
 		if (token) then
 			count = tonumber(token)
 		end
 		for counter = 1, count or 1 do
 			if(kind == "!") then
 				--eof, begin the show
 				break
 			elseif (kind == "$") then
 				y = y + 1
 				x = 1
 			elseif (kind == "b") then
 				x = x + 1
 			elseif (kind == "o") then
 				board[x][y] = 1
 				x = x + 1
 			end
 		end
 	end
 	sleep(1)
 	sleeptime = 0.1
 end
 
 intro()
 drawScreen()
 while true do
 	loop()
 	parallel.waitForAny(loop, compute)
 end