added threading handler for capturing VRPN input

README.md

@@ -18,11 +18,11 @@ PixSpace deals/ plans to deal with:
 
 * [x] custom projection matrices
 * [~] build a system that updates a cameras frustum (w/ offaxis)
+* [~] VRPN (https://github.com/seichter/vrpn-rs) - sync_client.rs seems to do what we need - issue it is Rust 2018
 * [ ] multiple cameras
 * [ ] render to texture
-* [~] VRPN (https://github.com/seichter/vrpn-rs) - sync_client.rs seems to do what we need - issue it is Rust 2018
 
-# Contributions
+# Contributions / Notes
 
 Though, I am mostly writing this software on my own, I often ask for help and fortunately FOSS 
 people will be happy to help
@@ -34,3 +34,10 @@ https://github.com/bevyengine/bevy/blob/main/examples/3d/split_screen.rs
 https://github.com/bevyengine/bevy/blob/main/examples/3d/render_to_texture.rs
 
 And ria8651 on bevy #rendering Discord channel explained pointed me towards reversed Z frustum 
+
+further 
+
+https://thxforthefish.com/posts/reverse_z/ 
+https://vincent-p.github.io/posts/vulkan_perspective_matrix/
+
+