🚀 improve demos

.github/workflows/main.yml

@@ -71,8 +71,6 @@ jobs:
       - uses: bahmutov/npm-install@v1.4.3
 
       - run: yarn build:demo
-        env:
-          BASE_PATHNAME: "snk"
 
       - uses: crazy-max/ghaction-github-pages@v2.1.3
         if: success() && github.ref == 'refs/heads/master'

packages/demo/canvas.ts

@@ -55,5 +55,11 @@ export const createCanvas = ({
     drawLerpWorld(ctx, grid, snake0, snake1, stack, k, drawOptions);
   };
 
-  return { draw, drawLerp, canvas, ctx };
+  const highlightCell = (x: number, y: number, color = "orange") => {
+    ctx.fillStyle = color;
+    ctx.beginPath();
+    ctx.fillRect((1 + x + 0.5) * 16 - 2, (2 + y + 0.5) * 16 - 2, 4, 4);
+  };
+
+  return { draw, drawLerp, highlightCell, canvas, ctx };
 };

packages/demo/demo.getAvailableRoutes.ts

@@ -1,3 +1,4 @@
+import "./menu";
 import { createCanvas } from "./canvas";
 import { getHeadX, getHeadY, snakeToCells } from "@snk/types/snake";
 import { grid, snake } from "./sample";
@@ -31,7 +32,7 @@ getAvailableRoutes(grid, snake, (chain) => {
 });
 solutions.sort((a, b) => a.color - b.color);
 
-const { canvas, ctx, draw } = createCanvas(grid);
+const { canvas, ctx, draw, highlightCell } = createCanvas(grid);
 document.body.appendChild(canvas);
 
 let k = 0;
@@ -44,14 +45,12 @@ const onChange = () => {
 
   draw(grid, chain[i], []);
 
-  ctx.fillStyle = "orange";
   chain
     .map(snakeToCells)
     .flat()
-    .forEach(({ x, y }) => {
-      ctx.beginPath();
-      ctx.fillRect((1 + x + 0.5) * 16 - 2, (2 + y + 0.5) * 16 - 2, 4, 4);
-    });
+    .forEach(({ x, y }) => highlightCell(x, y));
+
+  highlightCell(2, 4);
 };
 
 onChange();
@@ -83,3 +82,8 @@ inputI.addEventListener("input", () => {
   onChange();
 });
 document.body.append(inputI);
+
+window.addEventListener("click", (e) => {
+  if (e.target === document.body || e.target === document.body.parentElement)
+    inputK.focus();
+});

packages/demo/demo.getBestRoute.ts

@@ -1,3 +1,4 @@
+import "./menu";
 import { createCanvas } from "./canvas";
 import { getBestRoute } from "@snk/compute/getBestRoute";
 import { Color, copyGrid } from "@snk/types/grid";
@@ -14,7 +15,7 @@ const spring = { x: 0, v: 0, target: 0 };
 const springParams = { tension: 120, friction: 20, maxVelocity: 50 };
 let animationFrame: number;
 
-const { canvas, drawLerp } = createCanvas(grid);
+const { canvas, highlightCell, drawLerp } = createCanvas(grid);
 document.body.appendChild(canvas);
 
 const clamp = (x: number, a: number, b: number) => Math.max(a, Math.min(b, x));
@@ -54,4 +55,7 @@ input.addEventListener("input", () => {
   animationFrame = requestAnimationFrame(loop);
 });
 document.body.append(input);
-document.body.addEventListener("click", () => input.focus());
+window.addEventListener("click", (e) => {
+  if (e.target === document.body || e.target === document.body.parentElement)
+    input.focus();
+});

packages/demo/demo.index.ts

@@ -1,31 +0,0 @@
-import * as grid from "@snk/types/__fixtures__/grid";
-
-const container = document.createElement("div");
-container.style.fontFamily = "helvetica";
-document.body.appendChild(container);
-
-for (const demo of require("./demo.json").filter(
-  (x: any) => !["index"].includes(x)
-)) {
-  const title = document.createElement("h1");
-  title.innerText = demo;
-
-  container.appendChild(title);
-
-  if (["interactive"].includes(demo)) {
-    const a = document.createElement("a");
-    a.style.display = "block";
-    a.innerText = demo;
-    a.href = `./${demo}.html`;
-
-    container.appendChild(a);
-  } else
-    for (const g of Object.keys(grid)) {
-      const a = document.createElement("a");
-      a.style.display = "block";
-      a.innerText = `${demo} - ${g}`;
-      a.href = `./${demo}.html?grid=${g}`;
-
-      container.appendChild(a);
-    }
-}

packages/demo/demo.json

@@ -1 +1 @@
-["index", "getAvailableRoutes", "pruneLayer", "getBestRoute", "interactive"]
+["getAvailableRoutes", "pruneLayer", "getBestRoute", "interactive"]

packages/demo/demo.pruneLayer.ts

@@ -1,3 +1,4 @@
+import "./menu";
 import { createCanvas } from "./canvas";
 import { Color, copyGrid } from "@snk/types/grid";
 import { grid, snake } from "./sample";
@@ -14,7 +15,7 @@ for (const color of colors) {
   layers.push({ chunk, grid: copyGrid(grid0) });
 }
 
-const { canvas, ctx, draw } = createCanvas(grid);
+const { canvas, ctx, highlightCell, draw } = createCanvas(grid);
 document.body.appendChild(canvas);
 
 let k = 0;
@@ -25,10 +26,7 @@ const loop = () => {
   draw(grid, snake, []);
 
   ctx.fillStyle = "orange";
-  chunk.forEach(({ x, y }) => {
-    ctx.beginPath();
-    ctx.fillRect((1 + x + 0.5) * 16 - 2, (2 + y + 0.5) * 16 - 2, 4, 4);
-  });
+  chunk.forEach(({ x, y }) => highlightCell(x, y));
 };
 
 loop();
@@ -45,4 +43,8 @@ input.addEventListener("input", () => {
   loop();
 });
 document.body.append(input);
-document.body.addEventListener("click", () => input.focus());
+
+window.addEventListener("click", (e) => {
+  if (e.target === document.body || e.target === document.body.parentElement)
+    input.focus();
+});

packages/demo/menu.ts

@@ -0,0 +1,38 @@
+import { GUI } from "dat.gui";
+import * as grids from "@snk/types/__fixtures__/grid";
+import * as snakes from "@snk/types/__fixtures__/snake";
+import { grid, snake } from "./sample";
+
+const demos: string[] = require("./demo.json").filter(
+  (x: any) => x !== "interactive"
+);
+
+export const gui = new GUI();
+
+const config = {
+  snake: Object.entries(snakes).find(([_, s]) => s === snake)![0],
+  grid: Object.entries(grids).find(([_, s]) => s === grid)![0],
+  demo: demos[0],
+};
+{
+  const d = window.location.pathname.match(/(\w+)\.html/)?.[1];
+  if (d && demos.includes(d)) config.demo = d;
+}
+
+const onChange = () => {
+  const search = new URLSearchParams({
+    snake: config.snake,
+    grid: config.grid,
+  }).toString();
+
+  const url = new URL(
+    config.demo + ".html?" + search,
+    window.location.href
+  ).toString();
+
+  window.location.href = url;
+};
+
+gui.add(config, "demo", demos).onChange(onChange);
+gui.add(config, "grid", Object.keys(grids)).onChange(onChange);
+gui.add(config, "snake", Object.keys(snakes)).onChange(onChange);

packages/demo/webpack.config.ts

@@ -3,10 +3,6 @@ import HtmlWebpackPlugin from "html-webpack-plugin";
 
 import type { Configuration } from "webpack";
 
-const basePathname = (process.env.BASE_PATHNAME || "")
-  .split("/")
-  .filter(Boolean);
-
 const demos: string[] = require("./demo.json");
 
 const config: Configuration = {
@@ -18,7 +14,6 @@ const config: Configuration = {
   output: {
     path: path.join(__dirname, "dist"),
     filename: "[contenthash].js",
-    publicPath: "/" + basePathname.map((x) => x + "/").join(""),
   },
   module: {
     rules: [
@@ -40,6 +35,7 @@ const config: Configuration = {
     ...demos.map(
       (demo) =>
         new HtmlWebpackPlugin({
+          title: "snk - " + demo,
           filename: `${demo}.html`,
           chunks: [demo],
         })