code: function( from, to, styles ){
  
              var x = from.x
                  ,y = from.y
                  ;
  
              var graphics = new PIXI.Graphics();
              this.setStyles( graphics, styles );
  
              graphics.moveTo(x, y);
  
              x = to.x;
              y = to.y;
  
              graphics.lineTo(x, y);
  
              graphics.endFill();
              return graphics;
          }
docs: PixiRenderer#createLine( from, to, styles ) -> PIXI.Graphics
  - from (Vectorish): Starting point
  - to (Vectorish): Ending point
  - styles (Object): The styles configuration
  + (PIXI.Graphics): A graphic object representing a polygon.
  
  Create a line for use in PIXI stage