function EditorPlanarControls(mode)
{
	EditorOrbitControls.call(this);

	this.setMode(mode !== undefined ? mode : Settings.PLANAR_LEFT);
}
The planar controls are used to control 2D movement, fixed to one camera orientation.

@class PlanarControls
@extends {OrbitControls}
@param {number} mode Mode indicates the orientation to be locked.