[page:Line] →
		[name]
		The GridHelper is an object to define grids. Grids are two-dimensional arrays of lines.
		Example
		var size = 10;
		var step = 1;
		var gridHelper = new THREE.GridHelper( size, step );
		scene.add( gridHelper );
		
		[example:webgl_helpers Example using various helpers]
		Constructor
		[name]([page:number size], [page:Number step])
		
		size -- The size of the grid 
		step -- The size of the step between 2 lines
		
		
		Creates a new [name] of size 'size' and with steps of size 'step'.
		
		Methods
		[method:null setColors]([page:number colorCenterLine], [page:Number colorGrid])
		
		colorCenterLine -- The color of the centerline. This can be a [page:Color], a hexadecimal value and an CSS-Color name. 
		colorGrid -- The color of the lines of the grid. This can be a [page:Color], a hexadecimal value and an CSS-Color name.
		
		
		Updates the color of the grid lines.
		
		Source
		[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]