lifehash/src/lifehash/FracGrid.js

TypeScript/JavaScript implementation of LifeHash, a visual hash algorithm

import { Colors } from './constants.js';
import { Grid } from './Grid.js';
export class FracGrid extends Grid {
    constructor(size) {
        super(size);
    }
    overlay(cell_grid, frac) {
        for (const point of this.get_points()) {
            if (cell_grid.get_value(point)) {
                this.set_value(frac, point);
            }
        }
    }
    color_for_value(val) {
        return Colors.black.lerp_to(Colors.white, val);
    }
}