Return value#

Type Meaning
number Types describe the declared interface, not proof of a successful game effect.

Types and methods

Parameters#

Name Type
y number
x number

? marks an optional argument; ... means a variable number of arguments. Invalid input can raise a Lua error rather than return nil.

Example and context#

LUA
local angle = math.atan2(1, 1)

What happens: angle is approximately 0.785398 radians.

This fragment does not print or write a log message. The values shown are the expected results of the example.

See language basics, types and methods and Lua / MD events. Examples there are independent learning examples. No project source files or private implementation fragments are distributed with this reference.