Raster bars

Display bars of color, moving up and down across the screen for horizontal raster bars, or left and right across the screen for vertical raster bars, making the raster bars move as stated by swaying side-to-side the way if possible. Use multiple colors in succession and carefully make a gradient between the colors if possible to achieve an effect of metallic-looking horizontal bars. Horizontal and/or vertical raster bars are accepted.

Raster bars is a draft programming task. It is not yet considered ready to be promoted as a complete task, for reasons that should be found in its talk page.