Přidána typescriptová implementace
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asteracer-typescript
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asteracer-typescript/.gitignore
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asteracer-typescript/.gitignore
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node_modules
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asteracer-typescript/README.md
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5
asteracer-typescript/README.md
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Použití:
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- Instalujte si Node >= 22 (`nvm use 22` pokud máte nvm) (je potřeba pro přímé spouštění typescriptu bez kompilátoru)
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- `npm install`
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- `npm run app [název souboru mapy] [název souboru s instrukcemi]`
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34
asteracer-typescript/index.ts
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34
asteracer-typescript/index.ts
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import { readFileSync } from "fs";
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import { checkInstructions, simulate } from "./src/asteracer/simulation";
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import { parseInstructions, parseMap } from "./src/asteracer/parse_map";
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const worldFileName = process.argv[2];
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const instructionsFileName = process.argv[3];
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if (!worldFileName || !instructionsFileName) {
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console.log("Použití: npm run app [název souboru mapy] [název souboru s instrukcemi]");
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process.exit();
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}
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const worldFileText = readFileSync(worldFileName, { encoding: 'utf8', flag: 'r' });
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const instructionsFileText = readFileSync(instructionsFileName, { encoding: 'utf8', flag: 'r' });
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const world = parseMap(worldFileText);
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const instructions = parseInstructions(instructionsFileText);
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try {
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checkInstructions(instructions);
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} catch (e) {
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console.error(e.message);
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process.exit();
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}
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const simulationResult = await simulate(world, instructions);
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if (simulationResult.messages) {
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for (const msg of simulationResult.messages) {
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console.log(msg);
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}
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} else {
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console.log("Závod úspěšně dokončen!");
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}
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236
asteracer-typescript/package-lock.json
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236
asteracer-typescript/package-lock.json
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{
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"name": "asteracer-simulation",
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"version": "1.0.0",
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"lockfileVersion": 3,
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"": {
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"name": "asteracer-simulation",
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"version": "1.0.0",
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"license": "ISC",
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"devDependencies": {
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"@types/node": "^22.13.13",
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"ts-node": "^10.9.2",
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"typescript": "^5.7.3"
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}
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"dev": true,
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"license": "ISC"
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"node_modules/ts-node": {
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"dev": true,
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"license": "MIT",
|
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"dependencies": {
|
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"@cspotcode/source-map-support": "^0.8.0",
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"@tsconfig/node10": "^1.0.7",
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"@tsconfig/node12": "^1.0.7",
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"@tsconfig/node14": "^1.0.0",
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"@tsconfig/node16": "^1.0.2",
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"acorn": "^8.4.1",
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"acorn-walk": "^8.1.1",
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"arg": "^4.1.0",
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"create-require": "^1.1.0",
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"diff": "^4.0.1",
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"make-error": "^1.1.1",
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"v8-compile-cache-lib": "^3.0.1",
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"yn": "3.1.1"
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},
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"bin": {
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"ts-node": "dist/bin.js",
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"ts-node-cwd": "dist/bin-cwd.js",
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"ts-node-esm": "dist/bin-esm.js",
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"ts-node-script": "dist/bin-script.js",
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"ts-node-transpile-only": "dist/bin-transpile.js",
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"ts-script": "dist/bin-script-deprecated.js"
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},
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"peerDependencies": {
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"@swc/core": ">=1.2.50",
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"@swc/wasm": ">=1.2.50",
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"@types/node": "*",
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"typescript": ">=2.7"
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},
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"peerDependenciesMeta": {
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"@swc/core": {
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"optional": true
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},
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"@swc/wasm": {
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"optional": true
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}
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}
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},
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"node_modules/typescript": {
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"version": "5.8.2",
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"resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.2.tgz",
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"dev": true,
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"license": "Apache-2.0",
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"bin": {
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"tsc": "bin/tsc",
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"tsserver": "bin/tsserver"
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},
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"engines": {
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"node": ">=14.17"
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}
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},
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"node_modules/undici-types": {
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"version": "6.20.0",
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"license": "MIT"
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},
|
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"dev": true,
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"license": "MIT"
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},
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"node_modules/yn": {
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"version": "3.1.1",
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"resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
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||||
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"dev": true,
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"license": "MIT",
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"engines": {
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"node": ">=6"
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}
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||||
}
|
||||
}
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}
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17
asteracer-typescript/package.json
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17
asteracer-typescript/package.json
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{
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"name": "asteracer-simulation",
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"version": "1.0.0",
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"description": "",
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"main": "index.js",
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"type": "module",
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"scripts": {
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"app": "node --experimental-strip-types --experimental-specifier-resolution=node --loader ts-node/esm ./index.ts"
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},
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"author": "",
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"license": "ISC",
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"devDependencies": {
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"@types/node": "^22.13.13",
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"ts-node": "^10.9.2",
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"typescript": "^5.7.3"
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}
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}
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72
asteracer-typescript/src/asteracer/grid.ts
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72
asteracer-typescript/src/asteracer/grid.ts
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import { Aabb, CircleId, Point } from "./types";
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export interface IGrid {
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//queryAlongLine(a: Point, b: Point, radius: number): Circle[];
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queryCircle(p: Point, radius: number): CircleId[];
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}
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/**
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* Stupid "acceleration" structure that just iterates over everything.
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*/
|
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export class Grid implements IGrid {
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private _circles: CircleId[];
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constructor(items: CircleId[]) {
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this._circles = items;
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}
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public queryAlongLine(a: Point, b: Point, radius: number): CircleId[] {
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const intersections: CircleId[] = [];
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for (const c of this._circles) {
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const dist = pointLineSegmentDistance(a, b, c);
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if (dist < (c.radius + radius) * 1.5) {
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intersections.push(c);
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}
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}
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return intersections;
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}
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public queryCircle(p: Point, radius: number): CircleId[] {
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const intersections: CircleId[] = [];
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for (let i = 0; i < this._circles.length; i++) {
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const c = this._circles[i];
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const dx = (c.x - p.x) | 0;
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const dy = (c.y - p.y) | 0;
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const distSq = dx * dx + dy * dy;
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const threshold = (radius + c.radius + 100) | 0;
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if (distSq <= threshold * threshold) {
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intersections.push(c);
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}
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}
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return intersections;
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}
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}
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function distanceF64(a: Point, b: Point): number {
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const dx = a.x - b.x;
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const dy = a.y - b.y;
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||||
return Math.sqrt(dx * dx + dy * dy);
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||||
}
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||||
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function pointLineSegmentDistance(lineA: Point, lineB: Point, point: Point): number {
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const dirX = lineB.x - lineA.x;
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const dirY = lineB.y - lineA.y;
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const relativePointX = point.x - lineA.x;
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const relativePointY = point.y - lineA.y;
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const lineLength = Math.sqrt(dirX * dirX + dirY * dirY);
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const distAlongLineClosestPoint = (dirX * relativePointX + dirY * relativePointY) / lineLength;
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const clampedDistAlongLineClosestPoint = Math.min(Math.max(distAlongLineClosestPoint, 0), lineLength);
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const closest = {
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x: lineA.x + dirX * clampedDistAlongLineClosestPoint,
|
||||
y: lineA.y + dirY * clampedDistAlongLineClosestPoint,
|
||||
};
|
||||
|
||||
const distClosest = distanceF64(closest, point);
|
||||
return distClosest;
|
||||
}
|
||||
103
asteracer-typescript/src/asteracer/parse_map.ts
Normal file
103
asteracer-typescript/src/asteracer/parse_map.ts
Normal file
|
|
@ -0,0 +1,103 @@
|
|||
import { Point, World } from "./types";
|
||||
|
||||
class Parser {
|
||||
private _split: string[];
|
||||
private _index: number = 0;
|
||||
|
||||
constructor(file: string) {
|
||||
this._split = file.split(/\s+/);
|
||||
}
|
||||
|
||||
public readInt(): number {
|
||||
const int = parseInt(this._split[this._index]) | 0;
|
||||
this._index++;
|
||||
return int;
|
||||
}
|
||||
|
||||
public end(): boolean {
|
||||
return this._index === this._split.length - 1;
|
||||
}
|
||||
}
|
||||
|
||||
export function parseMap(file: string): World {
|
||||
const input = new Parser(file);
|
||||
|
||||
const world: World = {
|
||||
shipStartX: input.readInt(),
|
||||
shipStartY: input.readInt(),
|
||||
shipRadius: input.readInt(),
|
||||
minX: input.readInt(),
|
||||
minY: input.readInt(),
|
||||
maxX: input.readInt(),
|
||||
maxY: input.readInt(),
|
||||
asteroids: [],
|
||||
goals: [],
|
||||
};
|
||||
|
||||
const asteroidCount = input.readInt();
|
||||
|
||||
for (let i = 0; i < asteroidCount; i++) {
|
||||
world.asteroids.push({
|
||||
x: input.readInt(),
|
||||
y: input.readInt(),
|
||||
radius: input.readInt(),
|
||||
id: i,
|
||||
type: "asteroid",
|
||||
});
|
||||
}
|
||||
|
||||
const goalCount = input.readInt();
|
||||
|
||||
for (let i = 0; i < goalCount; i++) {
|
||||
world.goals.push({
|
||||
x: input.readInt(),
|
||||
y: input.readInt(),
|
||||
radius: input.readInt(),
|
||||
id: i,
|
||||
type: "goal",
|
||||
});
|
||||
}
|
||||
|
||||
return world;
|
||||
}
|
||||
|
||||
export function parseInstructions(file: string): Point[] {
|
||||
const input = new Parser(file);
|
||||
|
||||
const instructions: Point[] = [];
|
||||
|
||||
const instructionCount = input.readInt();
|
||||
|
||||
for (let i = 0; i < instructionCount; i++) {
|
||||
if (input.end()) {
|
||||
throw new Error("V souboru je méně instrukcí, než kolik udává jeho první řádek!");
|
||||
}
|
||||
instructions.push({
|
||||
x: input.readInt(),
|
||||
y: input.readInt(),
|
||||
});
|
||||
}
|
||||
|
||||
return instructions;
|
||||
}
|
||||
|
||||
export function parseLog(file: string): [Point[], Point[]] {
|
||||
const expectedPositions: Point[] = [];
|
||||
const expectedVelocity: Point[] = [];
|
||||
|
||||
const input = new Parser(file);
|
||||
|
||||
while(!input.end()) {
|
||||
expectedPositions.push({
|
||||
x: input.readInt(),
|
||||
y: input.readInt(),
|
||||
});
|
||||
expectedVelocity.push({
|
||||
x: input.readInt(),
|
||||
y: input.readInt(),
|
||||
});
|
||||
input.readInt(); // ignore goals
|
||||
}
|
||||
|
||||
return [expectedPositions, expectedVelocity];
|
||||
}
|
||||
241
asteracer-typescript/src/asteracer/simulation.ts
Normal file
241
asteracer-typescript/src/asteracer/simulation.ts
Normal file
|
|
@ -0,0 +1,241 @@
|
|||
import { timeout } from "../util";
|
||||
import { Grid, IGrid } from "./grid";
|
||||
import { Aabb, CircleId, Point, SimulationResult, TickResult, World } from "./types";
|
||||
|
||||
const dragSlowdownFraction = [9, 10];
|
||||
const collisionSlowdownFraction = [1, 2];
|
||||
const maxCollisionSubticks = 5;
|
||||
|
||||
function tick(gridAsteroids: IGrid, gridGoals: IGrid, worldAabb: Aabb, shipRadius: number, shipPositionStart: Point, shipVelocityStart: Point, instruction: Point): TickResult {
|
||||
let velocityX = shipVelocityStart.x | 0;
|
||||
let velocityY = shipVelocityStart.y | 0;
|
||||
|
||||
const r = shipRadius | 0;
|
||||
|
||||
// Zpomalení
|
||||
velocityX = ((velocityX * (dragSlowdownFraction[0] | 0)) / (dragSlowdownFraction[1] | 0)) | 0;
|
||||
velocityY = ((velocityY * (dragSlowdownFraction[0] | 0)) / (dragSlowdownFraction[1] | 0)) | 0;
|
||||
|
||||
// Instrukce
|
||||
velocityX += instruction.x | 0;
|
||||
velocityY += instruction.y | 0;
|
||||
|
||||
// Posun
|
||||
let positionX = (shipPositionStart.x | 0) + velocityX;
|
||||
let positionY = (shipPositionStart.y | 0) + velocityY;
|
||||
|
||||
// Kolize
|
||||
let hadAnyCollision = false;
|
||||
|
||||
for (let subtick = 0; subtick < maxCollisionSubticks; subtick++) {
|
||||
let collidedThisSubtick = false;
|
||||
|
||||
const asteroidCandidates = gridAsteroids.queryCircle({
|
||||
x: positionX,
|
||||
y: positionY,
|
||||
}, r);
|
||||
|
||||
for (let i = 0; i < asteroidCandidates.length; i++) {
|
||||
const c = asteroidCandidates[i];
|
||||
const dx = (positionX - c.x) | 0; // od středu asteroidu ke středu lodi
|
||||
const dy = (positionY - c.y) | 0;
|
||||
const distSq = dx * dx + dy * dy;
|
||||
const dist = Math.sqrt(distSq) | 0;
|
||||
const threshold = (r + c.radius) | 0;
|
||||
if (dist > threshold) {
|
||||
// Kolize nenastala
|
||||
continue;
|
||||
}
|
||||
|
||||
// Kolidujeme
|
||||
const pushBy = (c.radius + r) - dist;
|
||||
positionX += (((pushBy * dx) | 0) / dist) | 0;
|
||||
positionY += (((pushBy * dy) | 0) / dist) | 0;
|
||||
|
||||
collidedThisSubtick = true;
|
||||
break;
|
||||
}
|
||||
|
||||
// Kolize s okraji
|
||||
if (positionX - r < worldAabb.minX) {
|
||||
positionX = (worldAabb.minX | 0) + r;
|
||||
collidedThisSubtick = true;
|
||||
}
|
||||
if (positionY - r < worldAabb.minY) {
|
||||
positionY = (worldAabb.minY | 0) + r;
|
||||
collidedThisSubtick = true;
|
||||
}
|
||||
if (positionX + r > worldAabb.maxX) {
|
||||
positionX = (worldAabb.maxX | 0) - r;
|
||||
collidedThisSubtick = true;
|
||||
}
|
||||
if (positionY + r > worldAabb.maxY) {
|
||||
positionY = (worldAabb.maxY | 0) - r;
|
||||
collidedThisSubtick = true;
|
||||
}
|
||||
|
||||
if (collidedThisSubtick) {
|
||||
hadAnyCollision = true;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Zpomalení v důsledku kolize
|
||||
if (hadAnyCollision) {
|
||||
velocityX = ((velocityX * (collisionSlowdownFraction[0] | 0)) / (collisionSlowdownFraction[1] | 0)) | 0;
|
||||
velocityY = ((velocityY * (collisionSlowdownFraction[0] | 0)) / (collisionSlowdownFraction[1] | 0)) | 0;
|
||||
}
|
||||
|
||||
// Kolize s cíli
|
||||
let goalsIntersected: CircleId[] = [];
|
||||
|
||||
const goalCandidates = gridGoals.queryCircle({
|
||||
x: positionX,
|
||||
y: positionY,
|
||||
}, r);
|
||||
|
||||
for (let i = 0; i < goalCandidates.length; i++) {
|
||||
const c = goalCandidates[i];
|
||||
const dx = (positionX - c.x) | 0; // od středu cíle ke středu lodi
|
||||
const dy = (positionY - c.y) | 0;
|
||||
const distSq = dx * dx + dy * dy;
|
||||
const dist = Math.sqrt(distSq) | 0;
|
||||
const threshold = (r + c.radius) | 0;
|
||||
if (dist > threshold) {
|
||||
// Kolize nenastala
|
||||
continue;
|
||||
}
|
||||
|
||||
// Kolidujeme
|
||||
goalsIntersected.push(c);
|
||||
}
|
||||
|
||||
return {
|
||||
shipPositionStart: {
|
||||
x: shipPositionStart.x,
|
||||
y: shipPositionStart.y,
|
||||
},
|
||||
shipPositionEnd: {
|
||||
x: positionX,
|
||||
y: positionY,
|
||||
},
|
||||
shipVelocityStart: {
|
||||
x: shipVelocityStart.x,
|
||||
y: shipVelocityStart.y,
|
||||
},
|
||||
shipVelocityEnd: {
|
||||
x: velocityX,
|
||||
y: velocityY,
|
||||
},
|
||||
goalsIntersected,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Throws if any instruction is invalid (too large acceleration).
|
||||
*/
|
||||
export function checkInstructions(instructions: Point[]): void {
|
||||
for (const i of instructions) {
|
||||
const x = i.x | 0;
|
||||
const y = i.y | 0;
|
||||
const lenSq = x * x + y * y;
|
||||
if (lenSq > 127 * 127) {
|
||||
throw new Error(`Instrukce x=${i.x} y=${i.y} přesáhla povolené zrychlení! (${Math.sqrt(lenSq)} > 127)`);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export async function simulate(world: World, instructions: Point[], periodicYield?: boolean, onYield?: (processedInstructions: number) => void): Promise<SimulationResult> {
|
||||
const gridAsteroids = new Grid(world.asteroids);
|
||||
const gridGoals = new Grid(world.goals);
|
||||
|
||||
const ticks: TickResult[] = [];
|
||||
let latestPosition: Point = {
|
||||
x: world.shipStartX,
|
||||
y: world.shipStartY,
|
||||
};
|
||||
let latestVelocity: Point = {
|
||||
x: 0,
|
||||
y: 0,
|
||||
};
|
||||
let tickCount = 0;
|
||||
let goalsReached = 0;
|
||||
let reachedGoalIds: Set<number> = new Set();
|
||||
let allGoalsReachedTick: number = undefined;
|
||||
|
||||
for (let index = 0; index < instructions.length; index++) {
|
||||
const instruction = instructions[index];
|
||||
const result = tick(gridAsteroids, gridGoals, world, world.shipRadius, latestPosition, latestVelocity, instruction);
|
||||
latestPosition.x = result.shipPositionEnd.x;
|
||||
latestPosition.y = result.shipPositionEnd.y;
|
||||
latestVelocity.x = result.shipVelocityEnd.x;
|
||||
latestVelocity.y = result.shipVelocityEnd.y;
|
||||
tickCount++;
|
||||
ticks.push(result);
|
||||
for (const goal of result.goalsIntersected) {
|
||||
if (!reachedGoalIds.has(goal.id)) {
|
||||
reachedGoalIds.add(goal.id)
|
||||
goalsReached++;
|
||||
}
|
||||
}
|
||||
if (!allGoalsReachedTick && goalsReached >= world.goals.length) {
|
||||
allGoalsReachedTick = index;
|
||||
}
|
||||
|
||||
if (periodicYield && index > 0 && index % 5000 === 0) {
|
||||
if (onYield) {
|
||||
onYield(index);
|
||||
}
|
||||
await timeout(0);
|
||||
}
|
||||
}
|
||||
|
||||
const messages: string[] = [];
|
||||
|
||||
if (!allGoalsReachedTick && world.goals.length > 0) {
|
||||
messages.push("Nebyly dosaženy všechny cíle!");
|
||||
}
|
||||
|
||||
if (allGoalsReachedTick && allGoalsReachedTick < instructions.length - 1) {
|
||||
messages.push("Vaše instrukce pokračují i po dosažení posledního cíle! Instrukce po dosažení posledního cíle můžete bezpečně smazat a tím si vylepšit čas.");
|
||||
}
|
||||
|
||||
return {
|
||||
goalsReached: reachedGoalIds,
|
||||
ticksExecuted: tickCount,
|
||||
tickResults: ticks,
|
||||
messages
|
||||
};
|
||||
}
|
||||
|
||||
export function generateLog(world: World, result: SimulationResult): string {
|
||||
const chunks: string[] = [];
|
||||
|
||||
let goalStates = [];
|
||||
|
||||
for (let i = 0; i < world.goals.length; i++) {
|
||||
goalStates.push(0);
|
||||
}
|
||||
|
||||
for (const tick of result.tickResults) {
|
||||
for (const goal of tick.goalsIntersected) {
|
||||
goalStates[goal.id] = 1;
|
||||
}
|
||||
|
||||
chunks.push(tick.shipPositionEnd.x.toString());
|
||||
chunks.push(" ");
|
||||
chunks.push(tick.shipPositionEnd.y.toString());
|
||||
chunks.push(" ");
|
||||
chunks.push(tick.shipVelocityEnd.x.toString());
|
||||
chunks.push(" ");
|
||||
chunks.push(tick.shipVelocityEnd.y.toString());
|
||||
chunks.push(" ");
|
||||
for (let i = 0; i < goalStates.length; i++) {
|
||||
chunks.push(goalStates[i].toString());
|
||||
}
|
||||
chunks.push("\n");
|
||||
}
|
||||
|
||||
return chunks.join("");
|
||||
}
|
||||
45
asteracer-typescript/src/asteracer/types.ts
Normal file
45
asteracer-typescript/src/asteracer/types.ts
Normal file
|
|
@ -0,0 +1,45 @@
|
|||
export type Aabb = {
|
||||
minX: number;
|
||||
minY: number;
|
||||
maxX: number;
|
||||
maxY: number;
|
||||
};
|
||||
|
||||
export type Circle = {
|
||||
x: number;
|
||||
y: number;
|
||||
radius: number;
|
||||
};
|
||||
|
||||
export type CircleId = Circle &{
|
||||
id: number;
|
||||
type: 'asteroid' | 'goal';
|
||||
}
|
||||
|
||||
export type World = Aabb & {
|
||||
shipStartX: number;
|
||||
shipStartY: number;
|
||||
shipRadius: number;
|
||||
asteroids: CircleId[];
|
||||
goals: CircleId[];
|
||||
};
|
||||
|
||||
export type Point = {
|
||||
x: number;
|
||||
y: number;
|
||||
};
|
||||
|
||||
export type TickResult = {
|
||||
shipPositionStart: Point;
|
||||
shipVelocityStart: Point;
|
||||
shipPositionEnd: Point;
|
||||
shipVelocityEnd: Point;
|
||||
goalsIntersected: CircleId[];
|
||||
};
|
||||
|
||||
export type SimulationResult = {
|
||||
ticksExecuted: number;
|
||||
goalsReached: Set<number>;
|
||||
tickResults: TickResult[];
|
||||
messages: string[];
|
||||
};
|
||||
3
asteracer-typescript/src/util.ts
Normal file
3
asteracer-typescript/src/util.ts
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
export function timeout(ms: number): Promise<void> {
|
||||
return new Promise(resolve => setTimeout(resolve, ms));
|
||||
}
|
||||
16
asteracer-typescript/tsconfig.json
Normal file
16
asteracer-typescript/tsconfig.json
Normal file
|
|
@ -0,0 +1,16 @@
|
|||
{
|
||||
"compilerOptions": {
|
||||
"noImplicitAny": true,
|
||||
"lib": [ "dom", "esnext" ],
|
||||
"module": "esnext",
|
||||
"target": "ES2017",
|
||||
"strict": false,
|
||||
"moduleDetection": "force",
|
||||
"moduleResolution": "node",
|
||||
},
|
||||
"exclude": [
|
||||
"node_modules",
|
||||
"static"
|
||||
],
|
||||
"include": ["src/**/*.ts"]
|
||||
}
|
||||
Loading…
Reference in a new issue