Wikitude

Hi,

I am writing a shooter game in JavaScript API 7.0 on Android, and in this game I have some models (soldiers) and a gun scope on the screen which always has center in the screen's center.
Is there a good way to check whether I "killed" a soldier when I pressed fire button? I mean that want to check if the scope was directed to some of soldiers or not when i fired.
I tried to use something like this:

// get XY of screen center
var xCenter = window.innerWidth / 2;
var yCenter = window.innerHeight / 2;

//convert XY to point cloud coordinate and then compare with tgranslate coords of soldier
World.instantTrackable.convertScreenCoordinateToPointCloudCoordinate(xCenter, yCenter, function(x, y, z) {.....here I check if converted coordinated are similar to the soldldier's translate values.......}

  But it's not always gives me a result.

Is there a better whey to do this?

Thanks in advance! 

Solved. 
Just simulate click in screen center.
http://www.wikitude.com/developer/developer-forum/-/message_boards/message/571887 

Hi Alex,

Is there any way to make smth similar in Wikitude JS SDK without using Unity plugin?
Or is there any possibility that this feature will be availabe soon in newer releases?

Edward

Hi Eva,

JS API
SDK ver 7.0.0
I don't using any extensions