* returns the exact position on the surface of a pointed node
* `minetest.global_exists(name)`
* Checks if a global variable has been set, without triggering a warning.
+* `minetest.make_screenshot()`
+ * Triggers the MT makeScreenshot functionality
### UI
* `minetest.ui.minimap`
* returns the yaw (degrees)
* `set_yaw(yaw)`
* sets the yaw (degrees)
+* `get_pitch()`
+ * returns the pitch (degrees)
+* `set_pitch(pitch)`
+ * sets the pitch (degrees)
* `get_velocity()`
* returns player speed vector
* `set_velocity(vel)`