Files
snk/packages/demo/demo.getBestRoute.ts
2020-10-09 12:23:50 +02:00

46 lines
1000 B
TypeScript

import { createCanvas } from "./canvas";
import { getBestRoute } from "../compute/getBestRoute";
import { Color, copyGrid } from "../compute/grid";
import { grid, snake } from "./sample";
import { step } from "@snk/compute/step";
const chain = [snake, ...getBestRoute(grid, snake)!];
//
// draw
let k = 0;
const { canvas, draw } = createCanvas(grid);
document.body.appendChild(canvas);
const onChange = () => {
debugger;
const grid0 = copyGrid(grid);
const stack0: Color[] = [];
let snake0 = snake;
chain.slice(0, k).forEach((s) => {
snake0 = s;
step(grid0, stack0, snake0);
});
draw(grid0, snake0, stack0);
};
onChange();
const input = document.createElement("input") as any;
input.type = "range";
input.value = 0;
input.step = 1;
input.min = 0;
input.max = chain.length;
input.style.width = "90%";
input.addEventListener("input", () => {
k = +input.value;
onChange();
});
document.body.append(input);
document.body.addEventListener("click", () => input.focus());