Foxbyte
/ simple grid
Created Mar 10, 2014
A simple grid to create columns in your Corona SDK project.
View simple grid
| -- Screen size | |
| local screenW, screenH, halfW, halfH = display.viewableContentWidth, display.viewableContentHeight, display.viewableContentWidth*0.5, display.viewableContentHeight*0.5 | |
| -- Grid | |
| numberOfColumns = 16 | |
| columnWidth = math.floor( screenW / numberOfColumns ) | |
| function getColumnPosition( columnNumber ) | |
| return (columnNumber - 1) * columnWidth | |
| end | |
| function getColumnWidth( numberOfColumns ) |
View Corona SDK - update GPS
| local currentLatitude = 0 | |
| local currentLongitude = 0 | |
| local updateGps = 5000 -- update Gps every X seconds | |
| local locationHandler = function( event ) | |
| -- On update, stop listening to GPS signal to avoid battery draining | |
| Runtime:removeEventListener( "location", locationHandler ) | |
| -- Check for error (user may have turned off Location Services) | |
| if event.errorCode then |
View test.lua
| function print_r ( t ) | |
| local print_r_cache={} | |
| local function sub_print_r(t,indent) | |
| if (print_r_cache[tostring(t)]) then | |
| print(indent.."*"..tostring(t)) | |
| else | |
| print_r_cache[tostring(t)]=true | |
| if (type(t)=="table") then | |
| for pos,val in pairs(t) do | |
| if (type(val)=="table") then |