thank you very much blik0k
I have seen the code
but I don't understand it
it understand only seeing the code that when tap on device display and a ray shot a plane, the object Knight show . did I get it right ? or not ?
but suppose I want to create an app with 6 button called:
button name what do
---------------------- --------------------------------
button1-show-sphere show 3d object sphere
button2-show-cube show 3d object cube
button2-show-pyramid show 3d object pyramid
button1-hide-sphere hide 3d object sphere
button2-hide-cube hide 3d object cube
button2-hide-pyramid hide 3d object pyramid
I want that on my desk hide/ show the object ( showing them side by side on my desk ) pressing button-show / button-hide
any idea how to do it ?
thank you