text physics object

I have a problem with this code - when I spin the rotating physics object ("spinner"), the text in the welded text object disappears. In hybrid mode the orange outline of the text object remains visible and spins along with the "spinner," but the actual letters are no longer visible. You can cut and paste to view if you have a second and want to look. I'm new to the physics stuff and I'd appreciate any thoughts.

local physics = require "physics"
physics.start()
physics.setGravity( 0, 0 )
physics.setDrawMode( "hybrid" )
display.setStatusBar(display.HiddenStatusBar)
 
local background = display.newRect ( 0,0, 800, 1400 )
background:setFillColor(250,250,250)
 
local spinner = display.newCircle( 200, 750, 600 )
spinner:setFillColor(0,0,0)
physics.addBody( spinner, { radius = 600 } )
        
local textObject4 = display.newRetinaText( "Test the Text", 300, 750, nil, 40 )
textObject4:setTextColor( 250,250,250 )
physics.addBody( textObject4 )
 
myJoint = physics.newJoint( "weld", textObject4, spinner, 300,750 )
                
local velocityVar = nil
 
---------------------------------------------------------------
                
function background:touch( event )
 
    if event.phase == "began" then
                                        
                        firstTime = (event.time/1000 )
                        startPos = event.y
 
           elseif event.phase == "moved" then      
            
                    endPos = event.y                                                             
                        lastTime = (event.time/1000 )                           
                        finalLength = endPos - startPos                 
                        finalTime = lastTime - firstTime                          
                        velocityVar = (finalLength / finalTime) /5     
                        spinTimeVar = velocityVar * 4
                                
                        if velocityVar > 0 then
                        spinner.angularVelocity = velocityVar
                        end
      
       elseif event.phase == "ended" then
                
                        spinTimeVar = velocityVar * 4
                        dampVar = .25
 
                                        local function stopIt (event)
                                                spinner.angularDamping = dampVar
                                        end
 
                                                timer.performWithDelay (  spinTimeVar, stopIt)
    
        end
    
    return true
    
end
 
background:addEventListener( "touch", background )

No problem on OSX Lion, Corona Simulator, build 2011.715
Text remains visible at all times.

Thanks, running identical setup so it made me go back and fiddle with any setting I could find. Turned out that antialias = true in config was the culprit. Deleting that line entirely did the trick, I really appreciate the second set of eyes.

Kevin

Great that you got it working!

I'd recommend filing a bug report with Ansca though as the antialias setting shouldn't make the text disappear.

views:1673 update：2012/1/3 13:02:13


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