Factor

author: Elizabeth Alexander Hunt <me@liz.coffee> 2026-07-05 12:42:44 -0700
committer: Elizabeth Alexander Hunt <me@liz.coffee> 2026-07-05 12:42:44 -0700
commit: 94b912b649150b9863a62096ba4740b2cc8ad21a (patch)
tree: 1882236fc980fa5946d3089a2f2e4670f3a70580 /src/toys/euler-golf
parent: ab0ddcaeb1fc37351d14b89100e07d3a343ba9e1 (diff)
download: lizdotcoffee-94b912b649150b9863a62096ba4740b2cc8ad21a.tar.gz
lizdotcoffee-94b912b649150b9863a62096ba4740b2cc8ad21a.zip
8 files changed, 0 insertions, 841 deletions
diff --git a/src/toys/euler-golf/css/styles.css b/src/toys/euler-golf/css/styles.css
deleted file mode 100644
index 219012d..0000000
--- a/src/toys/euler-golf/css/styles.css
+++ /dev/null
@@ -1,81 +0,0 @@
-body {
-  margin: 0;
-  padding: 0;
-  overflow: scroll;
-  font-family: Lucida Console, Lucida Sans Typewriter, monaco,
-    Bitstream Vera Sans Mono, monospace;
-  width: 100vw;
-  height: 100vh;
-  background: rgb(238, 174, 202);
-  background: radial-gradient(
-    circle,
-    rgba(238, 174, 202, 1) 0%,
-    rgba(148, 187, 233, 1) 100%
-  );
-}
-
-.canvas {
-  padding: 0;
-  margin: auto;
-  display: block;
-  border: 1px solid black;
-
-  width: 100vw;
-  height: 100vw;
-}
-
-button {
-  border-radius: 5px;
-  padding: 5px;
-  cursor: pointer;
-  margin-left: 5px;
-}
-
-.controls {
-  cursor: pointer;
-  padding: 12px;
-  position: fixed;
-  bottom: 0;
-  right: 0;
-  background-color: rgba(255, 255, 255, 0.8);
-  border: 1px solid white;
-  border-radius: 8px;
-  margin-right: 6px;
-  margin-bottom: 6px;
-}
-
-.buttons {
-  display: flex;
-  justify-content: space-around;
-  align-items: center;
-}
-
-.modal {
-  display: flex;
-  position: absolute;
-  left: 50%;
-  top: 50%;
-  transform: translate(-50%, -50%);
-
-  width: 80vw;
-  max-width: 500px;
-  min-height: 200px;
-
-  padding: 12px;
-
-  background-color: rgba(255, 255, 255, 0.8);
-  border: 1px solid black;
-  border-radius: 15px;
-}
-
-.modal-body {
-  display: flex;
-  justify-content: center;
-}
-
-.slider {
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  margin-top: 3px;
-}
diff --git a/src/toys/euler-golf/index.html b/src/toys/euler-golf/index.html
deleted file mode 100644
index 8164823..0000000
--- a/src/toys/euler-golf/index.html
+++ /dev/null
@@ -1,80 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <title>Euler Golf 2</title>
-    <link rel="stylesheet" type="text/css" href="css/styles.css" />
-    <meta charset="utf-8">
-  </head>
-  <body>
-    <canvas id="canvas"></canvas>
-
-    <div class="controls" id="controls-container">
-      <div id="controls" style="display: none">
-        <div class="buttons">
-          <button id="reset">Reset</button>
-          <button id="solve">Solve</button>
-          <button id="directions">Directions</button>
-        </div>
-        <div class="slider">
-          <label>Gap</label>
-          <input type="range" min="15" max="80" id="gap" />
-        </div>
-      </div>
-      <span id="expand-show">↑↑</span>
-    </div>
-
-    <div
-      id="directions-modal"
-      class="modal"
-      style="display: none"
-      tabindex="-1"
-      role="dialog"
-    >
-      <button
-        type="button"
-        class="close"
-        data-dismiss="modal"
-        aria-label="Close"
-      >
-        <span aria-hidden="true">X</span>
-      </button>
-
-      <div class="modal-body">
-        <div style="margin: 0; display: inline-block">
-          <h1 style="text-align: center">Euler Golf 2</h1>
-          <p>
-            Use the left and right arrow keys as navigation & hover over the
-            bottom right corner for controls.
-          </p>
-          <p>Rules</p>
-          <ul>
-            <li>
-              Every move consists of a 90 degree rotation around your last
-              position.
-            </li>
-            <li>You begin at the point one unit right from the center.</li>
-            <li>
-              The inital point that you rotate around is the origin (blue).
-            </li>
-            <li>You must navigate to the target point (white).</li>
-          </ul>
-          <p>
-            Initial game by
-            <a href="https://kylehovey.github.io/EulerGolf/">speleo</a>,
-            reimplemented & solved by
-            <a href="https://github.com/Simponic">simponic</a>.
-          </p>
-        </div>
-      </div>
-    </div>
-
-    <script src="js/modal-vanilla.min.js"></script>
-
-    <script src="js/cx.js"></script>
-    <script src="js/json-ds.js"></script>
-    <script src="js/sol.js"></script>
-
-    <script src="js/game.js"></script>
-    <script src="js/controls.js"></script>
-  </body>
-</html>
diff --git a/src/toys/euler-golf/js/controls.js b/src/toys/euler-golf/js/controls.js
deleted file mode 100644
index 7f606cc..0000000
--- a/src/toys/euler-golf/js/controls.js
+++ /dev/null
@@ -1,33 +0,0 @@
-document
-  .getElementById("controls-container")
-  .addEventListener("mouseover", () => {
-    document.getElementById("controls").style.display = "block";
-    document.getElementById("expand-show").style.display = "none";
-  });
-
-document
-  .getElementById("controls-container")
-  .addEventListener("mouseout", () => {
-    document.getElementById("controls").style.display = "none";
-    document.getElementById("expand-show").style.display = "inline";
-  });
-
-document.getElementById("reset").addEventListener("click", () => {
-  state = reset_state(state);
-
-  state.target = rand_target(state.rows, state.cols);
-});
-
-document.getElementById("solve").addEventListener("click", () => {
-  if (!cx.eq(state.path.at(-2), new cx(0, 0))) state = reset_state(state);
-
-  state.solution = sol(state.target);
-});
-
-document
-  .getElementById("directions")
-  .addEventListener("click", () => directions_modal.show());
-
-document.getElementById("gap").addEventListener("input", function () {
-  state.changes.gap = Number(this.value);
-});
diff --git a/src/toys/euler-golf/js/cx.js b/src/toys/euler-golf/js/cx.js
deleted file mode 100644
index 371415d..0000000
--- a/src/toys/euler-golf/js/cx.js
+++ /dev/null
@@ -1,308 +0,0 @@
-// http://www.russellcottrell.com/fractalsEtc/cx.js
-
-class cx {
-  static degrees(d) {
-    cx._RD = d ? Math.PI / 180 : 1;
-  }
-  // Math.PI/180 for degrees, 1 for radians
-  // applies to i/o (constructor, get/set arg, and toString etc.)
-
-  constructor(x, y, polar) {
-    if (!polar) {
-      this.re = x;
-      this.im = y;
-    } else {
-      y *= cx._RD; // may be radians or degrees
-      this.re = x * Math.cos(y);
-      this.im = x * Math.sin(y);
-    }
-  }
-
-  get abs() {
-    return Math.sqrt(this.re * this.re + this.im * this.im);
-  }
-
-  set abs(r) {
-    var theta = this._arg;
-    this.re = r * Math.cos(theta);
-    this.im = r * Math.sin(theta);
-  }
-
-  get arg() {
-    // returns radians or degrees, non-negative
-    return (
-      ((Math.atan2(this.im, this.re) + 2 * Math.PI) % (2 * Math.PI)) / cx._RD
-    );
-  }
-
-  set arg(theta) {
-    // may be radians or degrees
-    var r = this.abs;
-    this.re = r * Math.cos(theta * cx._RD);
-    this.im = r * Math.sin(theta * cx._RD);
-  }
-
-  get _arg() {
-    // internal; returns radians
-    return Math.atan2(this.im, this.re);
-  }
-
-  static get i() {
-    return new cx(0, 1);
-  }
-
-  static set i(x) {
-    throw new Error("i is read-only");
-  }
-
-  toString(polar) {
-    if (!polar)
-      return (
-        this.re.toString() +
-        (this.im >= 0 ? " + " : " - ") +
-        Math.abs(this.im).toString() +
-        "i"
-      );
-    else return this.abs.toString() + " cis " + this.arg.toString();
-  }
-
-  toPrecision(n, polar) {
-    if (!polar)
-      return (
-        this.re.toPrecision(n) +
-        (this.im >= 0 ? " + " : " - ") +
-        Math.abs(this.im).toPrecision(n) +
-        "i"
-      );
-    else return this.abs.toPrecision(n) + " cis " + this.arg.toPrecision(n);
-  }
-
-  toPrecis(n, polar) {
-    // trims trailing zeros
-    if (!polar)
-      return (
-        parseFloat(this.re.toPrecision(n)).toString() +
-        (this.im >= 0 ? " + " : " - ") +
-        parseFloat(Math.abs(this.im).toPrecision(n)).toString() +
-        "i"
-      );
-    else
-      return (
-        parseFloat(this.abs.toPrecision(n)).toString() +
-        " cis " +
-        parseFloat(this.arg.toPrecision(n)).toString()
-      );
-  }
-
-  toFixed(n, polar) {
-    if (!polar)
-      return (
-        this.re.toFixed(n) +
-        (this.im >= 0 ? " + " : " - ") +
-        Math.abs(this.im).toFixed(n) +
-        "i"
-      );
-    else return this.abs.toFixed(n) + " cis " + this.arg.toFixed(n);
-  }
-
-  toExponential(n, polar) {
-    if (!polar)
-      return (
-        this.re.toExponential(n) +
-        (this.im >= 0 ? " + " : " - ") +
-        Math.abs(this.im).toExponential(n) +
-        "i"
-      );
-    else return this.abs.toExponential(n) + " cis " + this.arg.toExponential(n);
-  }
-
-  static getReals(c, d) {
-    // when c or d may be simple or complex
-    var x, y, u, v;
-    if (c instanceof cx) {
-      x = c.re;
-      y = c.im;
-    } else {
-      x = c;
-      y = 0;
-    }
-    if (d instanceof cx) {
-      u = d.re;
-      v = d.im;
-    } else {
-      u = d;
-      v = 0;
-    }
-    return [x, y, u, v];
-  }
-
-  static conj(c) {
-    return new cx(c.re, -c.im);
-  }
-
-  static neg(c) {
-    return new cx(-c.re, -c.im);
-  }
-
-  static add(c, d) {
-    var a = cx.getReals(c, d);
-    var x = a[0];
-    var y = a[1];
-    var u = a[2];
-    var v = a[3];
-    return new cx(x + u, y + v);
-  }
-
-  static sub(c, d) {
-    var a = cx.getReals(c, d);
-    var x = a[0];
-    var y = a[1];
-    var u = a[2];
-    var v = a[3];
-    return new cx(x - u, y - v);
-  }
-
-  static mult(c, d) {
-    var a = cx.getReals(c, d);
-    var x = a[0];
-    var y = a[1];
-    var u = a[2];
-    var v = a[3];
-    return new cx(x * u - y * v, x * v + y * u);
-  }
-
-  static div(c, d) {
-    var a = cx.getReals(c, d);
-    var x = a[0];
-    var y = a[1];
-    var u = a[2];
-    var v = a[3];
-    return new cx(
-      (x * u + y * v) / (u * u + v * v),
-      (y * u - x * v) / (u * u + v * v)
-    );
-  }
-
-  static pow(c, int) {
-    if (Number.isInteger(int) && int >= 0) {
-      var r = Math.pow(c.abs, int);
-      var theta = int * c._arg;
-      return new cx(r * Math.cos(theta), r * Math.sin(theta));
-    } else return NaN;
-  }
-
-  static root(c, int, k) {
-    if (!k) k = 0;
-    if (
-      Number.isInteger(int) &&
-      int >= 2 &&
-      Number.isInteger(k) &&
-      k >= 0 &&
-      k < int
-    ) {
-      var r = Math.pow(c.abs, 1 / int);
-      var theta = (c._arg + 2 * k * Math.PI) / int;
-      return new cx(r * Math.cos(theta), r * Math.sin(theta));
-    } else return NaN;
-  }
-
-  static log(c) {
-    return new cx(Math.log(c.abs), c._arg);
-  }
-
-  static exp(c) {
-    var r = Math.exp(c.re);
-    var theta = c.im;
-    return new cx(r * Math.cos(theta), r * Math.sin(theta));
-  }
-
-  static sin(c) {
-    var a = c.re;
-    var b = c.im;
-    return new cx(Math.sin(a) * Math.cosh(b), Math.cos(a) * Math.sinh(b));
-  }
-
-  static cos(c) {
-    var a = c.re;
-    var b = c.im;
-    return new cx(Math.cos(a) * Math.cosh(b), -Math.sin(a) * Math.sinh(b));
-  }
-
-  static tan(c) {
-    return cx.div(cx.sin(c), cx.cos(c));
-  }
-
-  static asin(c, k) {
-    if (!k) k = 0;
-    var ic = cx.mult(cx.i, c);
-    var c2 = cx.pow(c, 2);
-    return cx.mult(
-      cx.neg(cx.i),
-      cx.log(cx.add(ic, cx.root(cx.sub(1, c2), 2, k)))
-    );
-  }
-
-  static acos(c, k) {
-    if (!k) k = 0;
-    var c2 = cx.pow(c, 2);
-    return cx.mult(
-      cx.neg(cx.i),
-      cx.log(cx.add(c, cx.mult(cx.i, cx.root(cx.sub(1, c2), 2, k))))
-    );
-  }
-
-  static atan(c) {
-    return cx.mult(
-      cx.div(cx.i, 2),
-      cx.log(cx.div(cx.add(cx.i, c), cx.sub(cx.i, c)))
-    );
-  }
-
-  static sinh(c) {
-    var a = c.re;
-    var b = c.im;
-    return new cx(Math.sinh(a) * Math.cos(b), Math.cosh(a) * Math.sin(b));
-  }
-
-  static cosh(c) {
-    var a = c.re;
-    var b = c.im;
-    return new cx(Math.cosh(a) * Math.cos(b), Math.sinh(a) * Math.sin(b));
-  }
-
-  static tanh(c) {
-    return cx.div(cx.sinh(c), cx.cosh(c));
-  }
-
-  static asinh(c, k) {
-    if (!k) k = 0;
-    var c2 = cx.pow(c, 2);
-    return cx.log(cx.add(c, cx.root(cx.add(c2, 1), 2, k)));
-  }
-
-  static acosh(c, k) {
-    if (!k) k = 0;
-    var c2 = cx.pow(c, 2);
-    return cx.log(cx.add(c, cx.root(cx.sub(c2, 1), 2, k)));
-  }
-
-  static atanh(c) {
-    return cx.mult(cx.div(1, 2), cx.log(cx.div(cx.add(1, c), cx.sub(1, c))));
-  }
-
-  static copy(c) {
-    return new cx(c.re, c.im);
-  }
-
-  static eq(c, d, epsilon) {
-    if (!epsilon) {
-      if (c.re == d.re && c.im == d.im) return true;
-    } else {
-      if (Math.abs(c.re - d.re) < epsilon && Math.abs(c.im - d.im) < epsilon)
-        return true;
-    }
-    return false;
-  }
-}
-
-cx.degrees(true); // need to call this
diff --git a/src/toys/euler-golf/js/game.js b/src/toys/euler-golf/js/game.js
deleted file mode 100644
index 5e123a0..0000000
--- a/src/toys/euler-golf/js/game.js
+++ /dev/null
@@ -1,275 +0,0 @@
-const DEFAULTS = {
-  max_rows: 80,
-  max_cols: 80,
-  min_gap: 30,
-  angle_multiplier: 10e-4,
-};
-
-const CANVAS = document.getElementById("canvas");
-
-let state = {
-  grid_padding: 30,
-  gap: DEFAULTS.min_gap,
-  canvas: CANVAS,
-  ctx: CANVAS.getContext("2d"),
-  last_render: 0,
-  keys: {},
-  changes: {},
-};
-
-// Rendering
-CanvasRenderingContext2D.prototype.circle = function (x, y, r, color) {
-  this.beginPath();
-  this.arc(x, y, r, 0, Math.PI * 2);
-  this.fillStyle = color;
-  this.fill();
-  this.closePath();
-};
-
-CanvasRenderingContext2D.prototype.line = function (
-  { x_pos: x1, y_pos: y1 },
-  { x_pos: x2, y_pos: y2 },
-  width,
-  color,
-  cap = "round"
-) {
-  this.lineWidth = width;
-  this.strokeStyle = color;
-  this.lineCap = cap;
-
-  this.beginPath();
-  this.moveTo(x1, y1);
-  this.lineTo(x2, y2);
-  this.stroke();
-  this.closePath();
-};
-
-CanvasRenderingContext2D.prototype.draw_cartesian_path = function (
-  grid_spec,
-  cartesian_path,
-  width = 2,
-  color = "#fff"
-) {
-  const path = cartesian_path.map((coord) => grid_to_canvas(coord, grid_spec));
-  path.slice(1).forEach((coord, i) => {
-    this.line(path[i], coord, width, color);
-  });
-};
-
-CanvasRenderingContext2D.prototype.do_grid = function (
-  rows,
-  cols,
-  draw_at_grid_pos = (ctx, x, y) => ctx.circle(x, y, 10, "#44ff44")
-) {
-  for (let y = 0; y < rows; y++) {
-    for (let x = 0; x < cols; x++) {
-      draw_at_grid_pos(this, x, y);
-    }
-  }
-};
-
-CanvasRenderingContext2D.prototype.cartesian_grid = function (
-  rows,
-  cols,
-  grid_spec,
-  circle_spec_at_coords = (_x, _y) => ({ radius: 5, color: "#000" })
-) {
-  this.do_grid(rows, cols, (ctx, x, y) => {
-    const { x_pos, y_pos } = grid_to_canvas({ x, y }, grid_spec);
-    const { radius, color } = circle_spec_at_coords(x, y);
-
-    ctx.circle(x_pos, y_pos, radius, color);
-  });
-};
-
-// Utilities
-const move = (prev, curr, c) => cx.add(prev, cx.mult(c, cx.sub(curr, prev)));
-
-const rand_between = (min, max) =>
-  Math.floor(Math.random() * (max - min + 1)) + min;
-
-const rand_target = (rows, cols) => {
-  const r = Math.floor((rows - 1) / 2);
-  const c = Math.floor((cols - 1) / 2);
-  const res = new cx(rand_between(-c, c), rand_between(-r, r));
-  if (!sol(res)) return rand_target(rows, cols);
-
-  return res;
-};
-
-const calculate_grid_spec = ({ rows, cols, width, height, grid_padding }) => {
-  const dx = (width - 2 * grid_padding) / cols;
-  const dy = (height - 2 * grid_padding) / rows;
-
-  return {
-    dx,
-    dy,
-    start_x: grid_padding + dx / 2,
-    start_y: grid_padding + dy / 2,
-  };
-};
-
-const grid_to_canvas = ({ x, y }, { dx, dy, start_x, start_y }) => ({
-  x_pos: x * dx + start_x,
-  y_pos: y * dy + start_y,
-});
-
-const complex_to_grid = (c, rows, cols) => {
-  const { re, im } = c;
-  return {
-    x: re + Math.floor(cols / 2),
-    y: Math.floor(rows / 2) - im,
-  };
-};
-
-// Game loop
-
-const maybe_add_state_angle_move = ({ angle } = state) => {
-  if (angle.im <= -1 || angle.im >= 1) {
-    angle.im = angle.im <= -1 ? -1 : 1;
-    state.path.push(move(state.path.at(-2), state.path.at(-1), angle));
-    state.angle = new cx(0, 0);
-  }
-  return state;
-};
-
-const handle_input = (state, dt) => {
-  if (state.keys.ArrowLeft) {
-    state.angle.im += DEFAULTS.angle_multiplier * dt;
-  } else if (state.keys.ArrowRight) {
-    state.angle.im -= DEFAULTS.angle_multiplier * dt;
-  }
-  state = maybe_add_state_angle_move(state);
-};
-
-const render = ({ width, height, ctx, rows, cols, target, gap } = state) => {
-  ctx.clearRect(0, 0, width, height);
-  ctx.fillStyle = "rgba(0, 0, 0, 0)";
-  ctx.fillRect(0, 0, width, height);
-
-  const grid_spec = calculate_grid_spec(state);
-
-  const curr = state.path.at(-1);
-  const prev = state.path.at(-2);
-
-  const v_diff = cx.sub(curr, prev);
-  const theta = (state.angle.im * Math.PI) / 2;
-
-  const angle_re = Math.cos(theta) * v_diff.re - Math.sin(theta) * v_diff.im;
-  const angle_im = Math.sin(theta) * v_diff.re + Math.cos(theta) * v_diff.im;
-
-  ctx.draw_cartesian_path(grid_spec, [
-    ...state.path.map((c) => complex_to_grid(c, rows, cols)),
-    complex_to_grid(cx.add(new cx(angle_re, angle_im), prev), rows, cols),
-  ]);
-
-  if (!(state.angle.im == state.angle.re && state.angle.re == 0)) {
-    // Draw path to next player's target
-    const [a, b] = [
-      curr,
-      move(prev, curr, new cx(0, state.angle.im < 0 ? -1 : 1)),
-    ].map((c) => grid_to_canvas(complex_to_grid(c, rows, cols), grid_spec));
-
-    ctx.line(a, b, 6, "rgba(127, 127, 127, 0.3)");
-  }
-
-  const grid_target = complex_to_grid(target, rows, cols);
-  ctx.cartesian_grid(rows, cols, grid_spec, (x, y) => {
-    if (x == Math.floor(cols / 2) && y == Math.floor(rows / 2)) {
-      return {
-        radius: 7,
-        color: "#2f9c94",
-      };
-    } else if (x == grid_target.x && y == grid_target.y) {
-      return {
-        radius: 8,
-        color: "#fff",
-      };
-    } else {
-      return {
-        radius: 3,
-        color: `rgb(${255 * (x / cols)}, 100, 100)`, // todo: animate with last_render
-      };
-    }
-  });
-
-  // Render gap value in slider
-  document.getElementById("gap").value = gap;
-};
-
-const loop = (now) => {
-  const dt = now - state.last_render;
-  state.changes.last_render = now;
-
-  if (Object.keys(state.changes).length > 0) {
-    state = { ...state, ...state.changes };
-
-    if (state.changes.width || state.changes.height || state.changes.gap) {
-      state.rows = Math.floor(state.height / state.gap);
-      state.cols = Math.floor(state.width / state.gap);
-    }
-
-    state.changes = {};
-  }
-
-  if (!state.target) state.target = rand_target(state.rows, state.cols);
-
-  if (!state.solution) {
-    handle_input(state, dt);
-  } else {
-    if (!state?.solution.length) {
-      delete state.solution;
-    } else {
-      state.angle.im +=
-        (state.solution[0] === "-" ? 1 : -1) * DEFAULTS.angle_multiplier * dt;
-
-      state = maybe_add_state_angle_move(state);
-
-      if (cx.eq(state.angle, new cx(0, 0))) state.solution.shift();
-    }
-  }
-  render(state);
-  requestAnimationFrame(loop);
-};
-
-const reset_state = ({ rows, cols } = state) => ({
-  ...state,
-  solution: null,
-  path: [new cx(0, 0), new cx(1, 0)],
-  angle: new cx(0, 0),
-});
-
-// DOM
-const directions_modal = new Modal({
-  el: document.getElementById("directions-modal"),
-});
-
-const on_resize = () => {
-  CANVAS.width = document.body.clientWidth;
-  CANVAS.height = document.body.clientHeight;
-  state.changes.width = CANVAS.width;
-  state.changes.height = CANVAS.height;
-};
-
-const on_keyup = (e) => {
-  delete state.keys[e.key];
-};
-
-const on_keydown = (e) => {
-  state.keys[e.key] = true;
-};
-
-window.addEventListener("resize", on_resize);
-window.addEventListener("keydown", on_keydown);
-window.addEventListener("keyup", on_keyup);
-
-// main
-on_resize();
-state = reset_state(state);
-
-if (!sessionStorage.getItem("seen-instructions")) {
-  directions_modal.show();
-  sessionStorage.setItem("seen-instructions", true);
-}
-
-requestAnimationFrame(loop);
diff --git a/src/toys/euler-golf/js/json-ds.js b/src/toys/euler-golf/js/json-ds.js
deleted file mode 100644
index dc7e88e..0000000
--- a/src/toys/euler-golf/js/json-ds.js
+++ /dev/null
@@ -1,19 +0,0 @@
-class JSONSet {
-  items = new Set();
-
-  constructor(initial) {
-    if (Array.isArray(initial)) {
-      initial.map((x) => this.apply_set_function("add", x));
-    } else {
-      this.apply_set_function("add", initial);
-    }
-
-    ["add", "has", "remove"].forEach(
-      (f_name) => (this[f_name] = (x) => this.apply_set_function(f_name, x))
-    );
-  }
-
-  apply_set_function(f_name, x) {
-    return this.items[f_name](JSON.stringify(x));
-  }
-}
diff --git a/src/toys/euler-golf/js/modal-vanilla.min.js b/src/toys/euler-golf/js/modal-vanilla.min.js
deleted file mode 100644
index 0d314c7..0000000
--- a/src/toys/euler-golf/js/modal-vanilla.min.js
+++ /dev/null
@@ -1 +0,0 @@
-var Modal=function(e){function t(i){if(n[i])return n[i].exports;var o=n[i]={i:i,l:!1,exports:{}};return e[i].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var n={};return t.m=e,t.c=n,t.d=function(e,n,i){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:i})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="",t(t.s=0)}([function(e,t,n){e.exports=n(1).default},function(e,t,n){"use strict";function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function o(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function s(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}function r(e){for(var t in e)Array.isArray(e[t])?e[t].forEach(function(e){r(e)}):null!==e[t]&&"object"===p(e[t])&&Object.freeze(e[t]);return Object.freeze(e)}function a(){return(65536*(1+Math.random())|0).toString(16)+(65536*(1+Math.random())|0).toString(16)}function l(e,t,n){var i=e.data||{};if(void 0===n){if(e.data&&e.data[t])return e.data[t];var o=e.getAttribute("data-"+t);return void 0!==o?o:null}return i[t]=n,e.data=i,e}function d(e,t){return e.nodeName?e:(e=e.replace(/(\t|\n$)/g,""),_||(_=document.createElement("div")),_.innerHTML="",_.innerHTML=e,!0===t?_.childNodes:_.childNodes[0])}function c(){var e=void 0,t=void 0,n=void 0,i=document.createElement("div");return 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aria-hidden="true">×</span></button>',body:'<div class="modal-body"></div>',footer:'<div class="modal-footer"></div>',backdrop:'<div class="modal-backdrop"></div>'},k=function(e){function t(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};i(this,t);var n=o(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));if(n.id=a(),n.el=null,n._html={},n._events={},n._visible=!1,n._pointerInContent=!1,n._options=v({},t.options,e),n._templates=v({},t.templates,e.templates||{}),n._html.appendTo=document.querySelector(n._options.appendTo),n._scrollbarWidth=c(),null===n._options.buttons&&(n._options.buttons=t.buttons.dialog),n._options.el){var s=n._options.el;if("string"==typeof n._options.el&&!(s=document.querySelector(n._options.el)))throw new Error("Selector: DOM Element "+n._options.el+" not found.");l(s,"modal",n),n.el=s}else n._options.construct=!0;return n._options.construct?n._render():n._mapDom(),n}return s(t,e),u(t,null,[{key:"alert",value:function(e){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new t(v({},y,{title:e,content:!1,construct:!0,headerClose:!1,buttons:t.buttons.alert},n))}},{key:"confirm",value:function(e){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new t(v({},y,{title:e,content:!1,construct:!0,headerClose:!1,buttons:t.buttons.confirm},n))}},{key:"templates",set:function(e){this._baseTemplates=e},get:function(){return v({},g,t._baseTemplates||{})}},{key:"buttons",set:function(e){this._baseButtons=e},get:function(){return v({},b,t._baseButtons||{})}},{key:"options",set:function(e){this._baseOptions=e},get:function(){return v({},y,t._baseOptions||{})}},{key:"version",get:function(){return"0.12.0"}}]),u(t,[{key:"_render",value:function(){var e=this._html,t=this._options,n=this._templates,i=!!t.animate&&t.animateClass;return e.container=d(n.container),e.dialog=d(n.dialog),e.content=d(n.content),e.header=d(n.header),e.headerClose=d(n.headerClose),e.body=d(n.body),e.footer=d(n.footer),i&&e.container.classList.add(i),this._setHeader(),this._setContent(),this._setFooter(),this.el=e.container,e.dialog.appendChild(e.content),e.container.appendChild(e.dialog),this}},{key:"_mapDom",value:function(){var e=this._html,t=this._options;return this.el.classList.contains(t.animateClass)&&(t.animate=!0),e.container=this.el,e.dialog=this.el.querySelector(".modal-dialog"),e.content=this.el.querySelector(".modal-content"),e.header=this.el.querySelector(".modal-header"),e.headerClose=this.el.querySelector(".modal-header .close"),e.body=this.el.querySelector(".modal-body"),e.footer=this.el.querySelector(".modal-footer"),this._setHeader(),this._setContent(),this._setFooter(),this}},{key:"_setHeader",value:function(){var e=this._html,t=this._options;t.header&&e.header&&(t.title.nodeName?e.header.innerHTML=t.title.outerHTML:"string"==typeof t.title&&(e.header.innerHTML='<h4 class="modal-title">'+t.title+"</h4>"),null===this.el&&e.headerClose&&t.headerClose&&e.header.appendChild(e.headerClose),t.construct&&e.content.appendChild(e.header))}},{key:"_setContent",value:function(){var e=this._html,t=this._options;t.content&&e.body&&("string"==typeof t.content?e.body.innerHTML=t.content:e.body.innerHTML=t.content.outerHTML,t.construct&&e.content.appendChild(e.body))}},{key:"_setFooter",value:function(){var e=this._html,t=this._options;t.footer&&e.footer&&(t.footer.nodeName?e.footer.ineerHTML=t.footer.outerHTML:"string"==typeof t.footer?e.footer.innerHTML=t.footer:e.footer.children.length||t.buttons.forEach(function(t){var n=document.createElement("button");l(n,"button",t),n.innerHTML=t.text,n.setAttribute("type","button");for(var i in t.attr)n.setAttribute(i,t.attr[i]);e.footer.appendChild(n)}),t.construct&&e.content.appendChild(e.footer))}},{key:"_setEvents",value:function(){var e=(this._options,this._html);this._events.keydownHandler=this._handleKeydownEvent.bind(this),document.body.addEventListener("keydown",this._events.keydownHandler),this._events.mousedownHandler=this._handleMousedownEvent.bind(this),e.container.addEventListener("mousedown",this._events.mousedownHandler),this._events.clickHandler=this._handleClickEvent.bind(this),e.container.addEventListener("click",this._events.clickHandler),this._events.resizeHandler=this._handleResizeEvent.bind(this),window.addEventListener("resize",this._events.resizeHandler)}},{key:"_handleMousedownEvent",value:function(e){var t=this;this._pointerInContent=!1,h(e.target).every(function(e){return!e.classList||!e.classList.contains("modal-content")||(t._pointerInContent=!0,!1)})}},{key:"_handleClickEvent",value:function(e){var t=this;h(e.target).every(function(n){return!("HTML"===n.tagName||!0!==t._options.backdrop&&n.classList.contains("modal")||n.classList.contains("modal-content")||("modal"===n.getAttribute("data-dismiss")?(t.emit("dismiss",t,e,l(e.target,"button")),t.hide(),1):!t._pointerInContent&&n.classList.contains("modal")&&(t.emit("dismiss",t,e,null),t.hide(),1)))}),this._pointerInContent=!1}},{key:"_handleKeydownEvent",value:function(e){27===e.which&&this._options.keyboard&&(this.emit("dismiss",this,e,null),this.hide())}},{key:"_handleResizeEvent",value:function(e){this._resize()}},{key:"show",value:function(){var e=this,t=this._options,n=this._html;return this.emit("show",this),this._checkScrollbar(),this._setScrollbar(),document.body.classList.add("modal-open"),t.construct&&n.appendTo.appendChild(n.container),n.container.style.display="block",n.container.scrollTop=0,!1!==t.backdrop?(this.once("showBackdrop",function(){e._setEvents(),t.animate&&n.container.offsetWidth,n.container.classList.add(t.animateInClass),setTimeout(function(){e._visible=!0,e.emit("shown",e)},t.transition)}),this._backdrop()):(this._setEvents(),t.animate&&n.container.offsetWidth,n.container.classList.add(t.animateInClass),setTimeout(function(){e._visible=!0,e.emit("shown",e)},t.transition)),this._resize(),this}},{key:"toggle",value:function(){this._visible?this.hide():this.show()}},{key:"_resize",value:function(){var e=this._html.container.scrollHeight>document.documentElement.clientHeight;this._html.container.style.paddingLeft=!this.bodyIsOverflowing&&e?this._scrollbarWidth+"px":"",this._html.container.style.paddingRight=this.bodyIsOverflowing&&!e?this._scrollbarWidth+"px":""}},{key:"_backdrop",value:function(){var e=this,t=this._html,n=this._templates,i=this._options,o=!!i.animate&&i.animateClass;t.backdrop=d(n.backdrop),o&&t.backdrop.classList.add(o),t.appendTo.appendChild(t.backdrop),o&&t.backdrop.offsetWidth,t.backdrop.classList.add(i.animateInClass),setTimeout(function(){e.emit("showBackdrop",e)},this._options.backdropTransition)}},{key:"hide",value:function(){var e=this,t=this._html,n=this._options,i=t.container.classList;if(this.emit("hide",this),i.remove(n.animateInClass),n.backdrop){t.backdrop.classList.remove(n.animateInClass)}return this._removeEvents(),setTimeout(function(){document.body.classList.remove("modal-open"),document.body.style.paddingRight=e.originalBodyPad},n.backdropTransition),setTimeout(function(){n.backdrop&&t.backdrop.parentNode.removeChild(t.backdrop),t.container.style.display="none",n.construct&&t.container.parentNode.removeChild(t.container),e._visible=!1,e.emit("hidden",e)},n.transition),this}},{key:"_removeEvents",value:function(){this._events.keydownHandler&&document.body.removeEventListener("keydown",this._events.keydownHandler),this._html.container.removeEventListener("mousedown",this._events.mousedownHandler),this._html.container.removeEventListener("click",this._events.clickHandler),window.removeEventListener("resize",this._events.resizeHandler)}},{key:"_checkScrollbar",value:function(){this.bodyIsOverflowing=document.body.clientWidth<window.innerWidth}},{key:"_setScrollbar",value:function(){if(this.originalBodyPad=document.body.style.paddingRight||"",this.bodyIsOverflowing){var e=parseInt(this.originalBodyPad||0,10);document.body.style.paddingRight=e+this._scrollbarWidth+"px"}}}]),t}(m.default);t.default=k},function(e,t){function n(){this._events=this._events||{},this._maxListeners=this._maxListeners||void 0}function i(e){return"function"==typeof e}function o(e){return"number"==typeof e}function s(e){return"object"==typeof e&&null!==e}function r(e){return void 0===e}e.exports=n,n.EventEmitter=n,n.prototype._events=void 0,n.prototype._maxListeners=void 0,n.defaultMaxListeners=10,n.prototype.setMaxListeners=function(e){if(!o(e)||e<0||isNaN(e))throw TypeError("n must be a positive number");return this._maxListeners=e,this},n.prototype.emit=function(e){var t,n,o,a,l,d;if(this._events||(this._events={}),"error"===e&&(!this._events.error||s(this._events.error)&&!this._events.error.length)){if((t=arguments[1])instanceof Error)throw t;var c=new Error('Uncaught, unspecified "error" event. 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Use emitter.setMaxListeners() to increase limit.",this._events[e].length),"function"==typeof console.trace&&console.trace()),this},n.prototype.on=n.prototype.addListener,n.prototype.once=function(e,t){function n(){this.removeListener(e,n),o||(o=!0,t.apply(this,arguments))}if(!i(t))throw TypeError("listener must be a function");var o=!1;return n.listener=t,this.on(e,n),this},n.prototype.removeListener=function(e,t){var n,o,r,a;if(!i(t))throw TypeError("listener must be a function");if(!this._events||!this._events[e])return this;if(n=this._events[e],r=n.length,o=-1,n===t||i(n.listener)&&n.listener===t)delete this._events[e],this._events.removeListener&&this.emit("removeListener",e,t);else if(s(n)){for(a=r;a-- >0;)if(n[a]===t||n[a].listener&&n[a].listener===t){o=a;break}if(o<0)return this;1===n.length?(n.length=0,delete this._events[e]):n.splice(o,1),this._events.removeListener&&this.emit("removeListener",e,t)}return this},n.prototype.removeAllListeners=function(e){var t,n;if(!this._events)return this;if(!this._events.removeListener)return 0===arguments.length?this._events={}:this._events[e]&&delete this._events[e],this;if(0===arguments.length){for(t in this._events)"removeListener"!==t&&this.removeAllListeners(t);return this.removeAllListeners("removeListener"),this._events={},this}if(n=this._events[e],i(n))this.removeListener(e,n);else if(n)for(;n.length;)this.removeListener(e,n[n.length-1]);return delete this._events[e],this},n.prototype.listeners=function(e){return this._events&&this._events[e]?i(this._events[e])?[this._events[e]]:this._events[e].slice():[]},n.prototype.listenerCount=function(e){if(this._events){var t=this._events[e];if(i(t))return 1;if(t)return t.length}return 0},n.listenerCount=function(e,t){return e.listenerCount(t)}}]);
diff --git a/src/toys/euler-golf/js/sol.js b/src/toys/euler-golf/js/sol.js
deleted file mode 100644
index b4e527f..0000000
--- a/src/toys/euler-golf/js/sol.js
+++ /dev/null
@@ -1,44 +0,0 @@
-const DEPTH = 15;
-
-const DIRECTION = {
-  0: new cx(0, 1),
-  1: new cx(0, -1),
-};
-
-const construct_moves = (curr, prev) =>
-  Object.keys(DIRECTION).map((x) => move(curr, prev, DIRECTION[x]));
-
-const backtrack = (local_index, depth) =>
-  local_index
-    .toString(2)
-    .padStart(depth, "0")
-    .split("")
-    .map((direction) => (Number(direction) ? "+" : "-"));
-
-const sol = (target, start_from = new cx(0, 0), start_to = new cx(1, 0)) => {
-  const next_moves = construct_moves(start_from, start_to);
-  const solved_in_first_move = next_moves.findIndex((move) =>
-    cx.eq(move, target)
-  );
-  if (solved_in_first_move != -1) return backtrack(solved_in_first_move, 1);
-
-  let moves = [start_to, ...next_moves];
-  let curr_depth = 2;
-  while (curr_depth < DEPTH) {
-    for (let i = 0; i < Math.pow(2, curr_depth); i++) {
-      const direction = DIRECTION[Number(i.toString(2).at(-1))];
-      // Current element is at i >> 1 + the offset for the previous group (which is
-      // the sum of the geometric series 2**n until curr_depth - 1)
-      const current_i = (i >> 1) + (1 - Math.pow(2, curr_depth - 1)) / (1 - 2);
-      const previous_i = (i >> 2) + (1 - Math.pow(2, curr_depth - 2)) / (1 - 2);
-
-      const new_move = move(moves[previous_i], moves[current_i], direction);
-
-      moves.push(new_move);
-      if (cx.eq(new_move, target)) return backtrack(i, curr_depth);
-    }
-    curr_depth++;
-  }
-
-  return null;
-};
author	Elizabeth Alexander Hunt <me@liz.coffee>	2026-07-05 12:42:44 -0700
committer	Elizabeth Alexander Hunt <me@liz.coffee>	2026-07-05 12:42:44 -0700
commit	94b912b649150b9863a62096ba4740b2cc8ad21a (patch)
tree	1882236fc980fa5946d3089a2f2e4670f3a70580 /src/toys/euler-golf
parent	ab0ddcaeb1fc37351d14b89100e07d3a343ba9e1 (diff)
download	lizdotcoffee-94b912b649150b9863a62096ba4740b2cc8ad21a.tar.gz lizdotcoffee-94b912b649150b9863a62096ba4740b2cc8ad21a.zip