kokhmer: Event Location in detail (2)

event.speed

សំរាប់ instantaneous speed របស់ GPS device នៅក្នុង meters per second វានឹងចែកជាលទ្ធផល 0.447 ក្នុងការដាក់ជា Miler Per Hour

សូមមើលកូដះ

local locationHandler = function( event )

-- Check for error (user may have turned off Location Services)

if event.errorCode then

native.showAlert( "GPS Location Error", event.errorMessage, {"OK"} )

print( "Location error: " .. tostring( event.errorMessage ) )

else

local latitudeText = string.format( '%.4f', event.latitude )

currentLatitude = latitudeText

latitude:setText( latitudeText )

local longitudeText = string.format( '%.4f', event.longitude )

currentLongitude = longitudeText

longitude:setText( longitudeText )

local altitudeText = string.format( '%.3f', event.altitude )

altitude:setText( altitudeText )

local accuracyText = string.format( '%.3f', event.accuracy )

accuracy:setText( accuracyText )

local speedText = string.format( '%.3f', event.speed )

speed:setText( speedText )

local directionText = string.format( '%.3f', event.direction )

direction:setText( directionText )

-- Note: event.time is a Unix-style timestamp, expressed in seconds since Jan. 1, 1970

local timeText = string.format( '%.0f', event.time )

time:setText( timeText )

end

-- Activate location listener

Runtime:addEventListener( "location", locationHandler )

event.latitude

វាជា Latitude in degrees របស់ current GPS location