This library contains a naive implementation of Voronoi/Worley noise. I wrote it because I needed to split biomes into cells, while placing borders between each cell.

A demo GUI is available under the test module:

JVoronoi uses a grid system for cell sizes. The size of a grid roughly corresponds to the size of the output cells. In the following example, a grid size of 80 with a canvas size of 400x400 results in ~6x6 cells on each axis.

JVoronoi voronoi = new JVoronoi(0, 80); // seed, grid size
for(int x = -0; x < 400; x++) {
    for (int y = -0; y < 400; y++) {
        double eval = voronoi.tesselateWithEdge(x, y, 5); // x, y, spacing
    }
}

JVoronoi uses KdotJPG's OpenSimplex2 for cell value assignment. OpenSimplex2 is provided under The Unlicense. Thank you to KdotJPG for your contributions to this field and the fantastic library!

JVoronoi is licensed under MIT.