getMaterial( colorCode ) {

		if ( colorCode.startsWith( '0x2' ) ) {

			// Special 'direct' material value (RGB color)
			const color = colorCode.substring( 3 );

			return this.parseColorMetaDirective( new LineParser( 'Direct_Color_' + color + ' CODE -1 VALUE #' + color + ' EDGE #' + color + '' ) );

		}

		return this.materialLibrary[ colorCode ] || null;

	}
Returns a material for the given color code.

@param {string} colorCode - The color code.
@return {?Material} The material. Returns `null` if no material has been found.