changed to not use addwallsprite

worked with one line of code change

main.lua

@@ -75,8 +75,9 @@ function myGameSetUp()
         
     end
     floorSprite = gfx.sprite.new(floorMap)
-    floorSprite:moveTo(0,150)
-    gfx.sprite.addWallSprites(floorMap, {})  
+    floorSprite:moveTo(0,160)
+    -- gfx.sprite.addWallSprites(floorMap, {})  
+    floorSprite:setCollideRect( 0, 0, floorSprite:getSize() )
 
     floorSprite:add()