Radio: Changed computation for reflection normal vector line length.
Environment: Added getters for viewAngle/viewRotation to environment.
Radio: Added the parameter to draw ongoing communication as 2D circles.
Added some generated files to .gitignore.
Radio: Replaced communication figure with cRingFigure.
Radio: Added timer to periodically update the canvas when there are ongoing communications.
Radio: Changed to use multiple good dark colors for transmissions.