# Seventy-Five Ways to Draw a Circle

All Processing code for this article, along with images, can be found on Github

I recently challenged myself to come up with twenty five designs using only Perlin flow fields. This article is the next part of this series of explorations where I set myself up with another simple challenge: come up with a seventy-five different ways to draw a circle.

## The Constraints

I set three constraints for this challenge. First, I decided to forego the use of color as I wanted to focus on variety in forms instead. I also find that using color variations to get out of a rut makes me feel like I’m cheating.

Second, every version should be implemented as an independent, re-usable function conforming to the following declaration:

void circle(float x, float y, float r) {
/* Draw a circle with center at (x, y) and radius r */
}


This way, I can easily reuse them later for other works.

As the third and final constraint, each version had to have some generative/procedural component to it. That is, each time the function is called, a new variant should be generated.

Enough talking. Here are the results! Enjoy!

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