@mousepox/math/dist-es/AutoGrid.js

Math-related objects and utilities

import { Grid } from "./Grid";
export class AutoGrid extends Grid {
    source;
    rules;
    constructor(source, rules) {
        super(source.width, source.height);
        this.source = source;
        this.rules = rules;
        this.update();
    }
    update() {
        this.forEach((_, x, y) => this.updateSingleCell(x, y));
    }
    updateSingleCell(x, y) {
        const tile = this.source.get(x, y);
        if (this.rules[tile] !== undefined) {
            const flags = this.source.getAdjacentFlags(x, y);
            if (this.rules[tile] !== undefined) {
                for (const rule of this.rules[tile]) {
                    if (rule.flags.indexOf(flags) !== -1) {
                        let value = 0;
                        if (Array.isArray(rule.value)) {
                            const index = Math.floor(Math.random() * rule.value.length);
                            value = rule.value[index];
                        }
                        else {
                            value = rule.value;
                        }
                        this.set(x, y, value);
                        return;
                    }
                }
            }
        }
        this.set(x, y, tile);
    }
}