practice-beefki/love/tommy/main.lua

require "Tserial"

function move(void)

		-- with acceleration
		
			if player.current_speed < player.speed then
				player.current_speed = player.current_speed + (player.speed*player.accel)
			end
		return player.current_speed
end



function love.load()
	
	love.filesystem.setIdentity("tommy")
	saveFile = "test.lua"
	
	-- Check if Save file exists
	save_exists = love.filesystem.exists(saveFile)
	
	player = {}

		player.x = 100
		player.y = 100
		player.w = 25
		player.h = 25
		player.speed = 500
		player.current_speed = 0
		--Must be less than 1
		--if I understand correctly, the second number should be how many frames
		--it takes to get to top speed
		player.accel = 1/120
end

function love.keyreleased(key)
   if key == "q" then
      love.event.quit()
   end

	-- save
	if key == "s" then
		love.filesystem.write(saveFile, Tserial.pack(player, false, true))
	end

	-- Load
	if key == "l" then
		if save_exists then
			player = Tserial.unpack( love.filesystem.read( saveFile ) )
		end
	end

end

function love.update(dt)
	
	--Move character left or right
	if love.keyboard.isDown("right") then
		move()
		player.x = player.x + player.current_speed*dt

	elseif love.keyboard.isDown("left") then
		move()
		player.x = player.x - player.current_speed*dt

	--Reset current speed if key is released
	end

	--Also able to move or up down at the same time as one of the above
	if love.keyboard.isDown("up") then
		move()
		player.y = player.y - player.current_speed*dt
	elseif love.keyboard.isDown ("down") then
		move()
		player.y = player.y + player.current_speed*dt
	end	

	if not love.keyboard.isDown("right", "left", "up", "down") then
		player.current_speed = 0
	end

end

function love.draw()
	--draw the rectangle. Fill/line for the type, 
	--(x,y, width, height)
	love.graphics.rectangle("line", player.x, player.y, player.w, player.h)
end