Dilettante Habits

Knowing nothing about everything

Persian Rasters

Abstract: Description and examples for so-called "persian raster" effect.

Topics: c64, color palettes, animation

© Copyright Daniel Krajzewicz, 25.11.2017 00:30, cc by-nc-nd

Introduction

In an earlier post, I discussed some methods for stretching the limited c64 palette, which generate static patterns that fill a bigger part of the screen. Here, an animated approach for filling the screen with horizontal color bars is presented, the so called "persian rasters".

Description

The basic principle is to divide the area to fill into "fins". Each fin shows a part of the same big raster bar, yet starting at an offset. In each frame (animation step), the position of the bar shown in each fin is incremented by the same value. That's basically all...

Demo

preset:
palette:
fin height
between fin increment
inner-fin increment
per-frame increment

Closing

Yep - persian rasters...

Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported licence
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