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Author: JingShing

lua_note.md

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+## Variable type
+
+* Nil : None
+* Boolean : true or false
+* Number : int or float
+* string : characters
+
+declare-> just use '=' to declare variable name  and the value should stored
+
+* variable name can't start with number but can contain them
+
+* variable names can't contain symbol but '_'
+
+* variables are case sensitive
+
+use '--' to make a comment
+
+* table : like python dictionary. you can use table to store various type of variables.
+  sample:
+  
+  > table = {} -- declare a table
+  > table.num = 10 -- number in table
+  > table.table2 = {} -- table in table
+  > table2 = {num = 10, table3 = {}}
+
+---
+## if operators
+==:equal
+~=:not equal
+< :less
+\> :greater
+<=:less or equal
+\>=:greater or equal
+
+> if condition then
+> 	--trigger
+> end
+
+> if condition and condition2 then
+> 	--trigger
+> elseif confition3 then
+>     --trigger
+> else
+> 	--trigger
+> end
+
+---
+
+## function
+
+> function function_name()
+>	-- trigger and detect
+>end
+
+love2D 3 main function
+
+>function love.load()
+>	-- will trigger when you start the game
+>	-- where you load all the data and assets
+>end
+
+>function love.update(dt)
+>	-- program the actual game logic
+>	-- anything you need to update will in the end be handled in here
+>	-- will trigger 1 time per frame produced by computer. Depend on your computer.
+>	-- might be run mutiple times of others.
+>	-- so we need 'dt' as delta time to make adjust as index.
+>end
+
+>function love.draw()
+>	-- display graphics on the screen
+>end
+