practice/love/mike/lib/keys.lua

58 lines
1.3 KiB
Lua

require "lib/GameState"
QUIT_KEY = "q"
SAVE_KEY = "s"
LOAD_KEY = "l"
HALF_SPEED = "lshift"
MOVE_RIGHT = "right"
MOVE_LEFT = "left"
SAVE_FILE = "testing.lua"
function love.keyreleased(key)
if key == QUIT_KEY then
love.event.quit()
-- save
elseif key == SAVE_KEY then
love.filesystem.write(SAVE_FILE, GameState.save(actors, "actors"))
-- Load
elseif key == LOAD_KEY then
save_exists = love.filesystem.exists(SAVE_FILE)
if save_exists then
actors = GameState.load(SAVE_FILE)
-- Tell the timer to ignore time passed between the save and the load
actors.start = love.timer.getTime() - actors.end_timer
end
end
end
function half_speed(object_speed)
if love.keyboard.isDown(HALF_SPEED) then
return object_speed/2
else return object_speed
end
end
function check_keys(object, screen, dt)
local newObject = {}
newObject.x = object.x
newObject.y = object.y
newObject.width = object.width
newObject.height = object.height
newObject.speed = object.speed
if love.keyboard.isDown(MOVE_RIGHT) then
newObject.x = newObject.x + half_speed(newObject.speed * dt)
end
if love.keyboard.isDown(MOVE_LEFT) then
newObject.x = newObject.x - half_speed(newObject.speed * dt)
end
if screen_col_detect(newObject, screen) then
return newObject
else
return object
end
end