enterFrame

Type Event
Revision Release 2025.3721
Keywords enterFrame, runtime
See also Basic Interactivity and Event Detection (guide)

Overview

"enterFrame" events occur at the frames-per-second interval of the application, either 30 or 60 as specified in config.lua. They are only dispatched to the global Runtime object.

Properties

event.name

event.frame

event.time

Examples

Event Name
local myListener = function( event )
    print( "Listener called with event of type " .. event.name )
end
Runtime:addEventListener( "enterFrame", myListener )
Event Frame
local function printCurrentFrameID( event )
    print ( "Current frame ID: " .. tostring(event.frame) )
end 
Runtime:addEventListener( "enterFrame", printCurrentFrameID )
Event Time
local function printTimeSinceStart( event )
    print ( tostring(event.time/1000) .. " seconds since app started." )
end 
Runtime:addEventListener( "enterFrame", printTimeSinceStart )