simponic/simponic.xyz
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Visual changes, fix solution not being optimal when one move away

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Lizzy Hunt 2023-02-24 15:15:29 -07:00
parent 445af5d0be
commit d49a395dbd
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GPG Key ID: 8AC6A4B840C0EC49
3 changed files with 11 additions and 6 deletions
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2
euler-golf/index.html
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@ -51,7 +51,7 @@
<li> <li>
The inital point that you rotate around is the origin (blue). The inital point that you rotate around is the origin (blue).
</li> </li>
<li>You must navigate to the target point (green).</li> <li>You must navigate to the target point (white).</li>
</ul> </ul>
<p> <p>
Initial game by Initial game by

6
euler-golf/js/game.js
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@ -46,7 +46,7 @@ CanvasRenderingContext2D.prototype.draw_cartesian_path = function (
grid_spec, grid_spec,
cartesian_path, cartesian_path,
width = 2, width = 2,
color = "#000" color = "#fff"
) { ) {
const path = cartesian_path.map((coord) => grid_to_canvas(coord, grid_spec)); const path = cartesian_path.map((coord) => grid_to_canvas(coord, grid_spec));
path.slice(1).forEach((coord, i) => { path.slice(1).forEach((coord, i) => {
@ -168,7 +168,7 @@ const render = ({ width, height, ctx, rows, cols, target } = state) => {
move(prev, curr, new cx(0, state.angle.im < 0 ? -1 : 1)), 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)); ].map((c) => grid_to_canvas(complex_to_grid(c, rows, cols), grid_spec));
ctx.line(a, b, 6, "#aaa"); ctx.line(a, b, 6, "rgba(127, 127, 127, 0.3)");
} }
const grid_target = complex_to_grid(target, rows, cols); const grid_target = complex_to_grid(target, rows, cols);
@ -182,7 +182,7 @@ const render = ({ width, height, ctx, rows, cols, target } = state) => {
} else if (x == grid_target.x && y == grid_target.y) { } else if (x == grid_target.x && y == grid_target.y) {
return { return {
radius: 8, radius: 8,
color: "#00ff00", color: "#fff",
}; };
} else { } else {
return { return {

9
euler-golf/js/sol.js
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@ -16,9 +16,14 @@ const backtrack = (local_index, depth) =>
.map((direction) => (Number(direction) ? "+" : "-")); .map((direction) => (Number(direction) ? "+" : "-"));
const sol = (target, start_from = new cx(0, 0), start_to = new cx(1, 0)) => { const sol = (target, start_from = new cx(0, 0), start_to = new cx(1, 0)) => {
let moves = [start_to, ...construct_moves(start_from, start_to)]; const next_moves = construct_moves(start_from, start_to);
let curr_depth = 2; 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) { while (curr_depth < DEPTH) {
for (let i = 0; i < Math.pow(2, curr_depth); i++) { for (let i = 0; i < Math.pow(2, curr_depth); i++) {
const direction = DIRECTION[Number(i.toString(2).at(-1))]; const direction = DIRECTION[Number(i.toString(2).at(-1))];