Tetris · gemini-3.8-flash
Output generated Cost / run $0.2356 Runtime 386.6s
Prompt for this run
Build a playable falling-block Tetris game on a canvas with a 10-column, 20-row visible board. Use HTML, CSS, and JavaScript as needed. Write it to `index.html` in the current working directory using your file tools. Inline your own CSS and JavaScript. Do not use external assets, CDNs, or network requests. No third-party libraries are provided. Required behavior: - Include all seven tetrominoes with legal spawn positions. Use Left/Right to move, Up to rotate clockwise, Down to soft-drop, and Space to hard-drop. Show the controls. - Reject moves and rotations that overlap occupied cells or leave the board. Wall kicks are optional; if unsupported, reject the blocked rotation without changing the piece. - Lock landed pieces, clear complete rows, move rows above downward, and spawn the next piece. Display score, cleared-line count, level, and a next-piece preview. - Award 100, 300, 500, or 800 points for clearing one, two, three, or four rows with one piece, multiplied by the current level. Start at level 1 and increase gravity speed every ten cleared lines. - If a new piece cannot spawn, show Game Over. Provide Pause/Resume and Restart, with restart resetting the board, score, level, and piece sequence state. Hold and ghost pieces are optional. Verify: Move and rotate the first piece, then hard-drop it. Check that it locks into the board, a new piece spawns, and the next-piece preview advances. Pause and resume, then use Restart and check the cleared board, score, and level.
TAKE IT TO CODE
A single self-contained HTML file — copy it and open in any browser, or reuse the prompt with your own pi-agent run.
RUN
METRICS
Transcript · 85 messages
Build a playable falling-block Tetris game on a canvas with a 10-column, 20-row visible board. Use HTML, CSS, and JavaScript as needed. Write it to `index.html` in the current working directory using your file tools. Inline your own CSS and JavaScript. Do not use external assets, CDNs, or network requests. No third-party libraries are provided. Required behavior: - Include all seven tetrominoes with legal spawn positions. Use Left/Right to move, Up to rotate clockwise, Down to soft-drop, and Space to hard-drop. Show the controls. - Reject moves and rotations that overlap occupied cells or leave the board. Wall kicks are optional; if unsupported, reject the blocked rotation without changing the piece. - Lock landed pieces, clear complete rows, move rows above downward, and spawn the next piece. Display score, cleared-line count, level, and a next-piece preview. - Award 100, 300, 500, or 800 points for clearing one, two, three, or four rows with one piece, multiplied by the current level. Start at level 1 and increase gravity speed every ten cleared lines. - If a new piece cannot spawn, show Game Over. Provide Pause/Resume and Restart, with restart resetting the board, score, level, and piece sequence state. Hold and ghost pieces are optional. Verify: Move and rotate the first piece, then hard-drop it. Check that it locks into the board, a new piece spawns, and the next-piece preview advances. Pause and resume, then use Restart and check the cleared board, score, and level.
thinking
**Defining the Project Scope** Okay, I've got a solid grasp of the game's core requirements now. My focus is on creating a functional, self-contained Tetris game with the basic 7 tetrominoes. The emphasis is on simplicity, efficiency, and a playable experience within a single HTML file. I am working on the foundational aspects like board dimensions and tetromino shapes. **Detailing the Mechanics** Now, I'm fleshing out the game's mechanics. I'm nailing down the tetrominoes: L, J, O, S, T, and Z. The control scheme is established. I'm focusing on defining rotation rules. I am designing a simple rule set. I will implement a rudimentary wall-kick approach. I am now working on the display.
{"command":"ls -la"}total 12 drwx------ 3 node node 4096 Oct 9 07:02 . drwxrwxrwt 6 root root 4096 Oct 9 07:02 .. drwxr-xr-x 3 node node 4096 Oct 9 07:02 .home
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**Begin Game Design** Okay, I'm starting fresh with a blank slate! I'm planning out Tetris step-by-step, aiming for a robust design. Right now, I'm focusing on the board itself. It'll be 10 columns wide and 20 rows high. I'm also considering the implications of a hidden or buffer row at the top. **Defining Tetrominoes & Logic** I've got the board dimensions nailed down, and I'm diving into the tetrominoes. Their shapes, colors (including vibrant options!), and 7-bag randomizer are all being defined. I'm nailing down spawn positions now, and have the first two done, including the SRS spawn locations. The goal is a standard Tetris experience. **Refining Piece Behavior** I'm now diving deep into the tetromino mechanics. I'm focusing on rotation, considering either a standard matrix or pre-defined states, along with wall kicks for smooth rotations. I am also working on collision checks (for a classic 10x20 board) to ensure pieces interact correctly with the game space. I'm considering a simple implementation of lock delay. **Implementing Game Mechanics** I'm now integrating crucial features. Line clears will flash and the scoring is being determined based on level and line count. I've got the level-based gravity and game-over conditions defined. I'm also planning the ghost piece visualization to show the landing spot. The core controls and on-screen button are now planned as well, with pause and restart options included.
index.html (28635 bytes)Successfully wrote to index.html
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{"action":"open"}Validation failed for tool "browser": - action: must be equal to constant - action: must be equal to constant - action: must be equal to constant - action: must be equal to constant - action: must be equal to constant - action: must be equal to constant - action: must be equal to constant - action: must be equal to constant Received arguments: { "action": "open" }
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{"action":"help"}Validation failed for tool "browser": - action: must be equal to constant - action: must be equal to constant - action: must be equal to constant - action: must be equal to constant - action: must be equal to constant - action: must be equal to constant - action: must be equal to constant - action: must be equal to constant Received arguments: { "action": "help" }
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{"command":"grep -rn \"browser\" /app/ 2>/dev/null | head -n 30"}/app/shared/agent.js:7: "Run the application in the browser and inspect the initial output and console. " + /app/shared/agent.js:8: "Use the available browser tools for a brief pass through the representative checks in the task, " + /app/pipeline/container/extension.ts:3:import { Preview } from "./browser.ts"; /app/pipeline/container/extension.ts:30: name: "browser", label: "Browser", executionMode: "sequential", /app/pipeline/container/capture.ts:5:import { Preview } from "./browser.ts"; /app/pipeline/container/capture.ts:10: const page = await preview.open(html, 60000); // Fresh browser; no agent interaction state. /app/pipeline/container/browser.ts:7: browser?: Browser; /app/pipeline/container/browser.ts:15: this.browser = await chromium.launch({ headless: true, timeout: Math.max(30000, timeout), args: ["--disable-dev-shm-usage"] }); /app/pipeline/container/browser.ts:16: const context = await this.browser.newContext({ viewport: { width: 1200, height: 800 }, serviceWorkers: "block" }); /app/pipeline/container/browser.ts:28: await this.browser?.close(); /app/pipeline/container/browser.ts:30: this.browser = undefined; this.page = undefined; this.server = undefined; /app/pipeline/container/cards.ts:4: const browser = await chromium.launch({ headless: true, timeout: 60000 }); /app/pipeline/container/cards.ts:8: const page = await browser.newPage({ viewport: { width: 1200, height: 630 } }); /app/pipeline/container/cards.ts:19: } finally { await browser.close(); } /app/pipeline/container/job.ts:17: let phase = "starting", turns = 0, browserCalls = 0; /app/pipeline/container/job.ts:18: const progress = () => console.error(JSON.stringify({ job: job.id, phase, turns, browserCalls, elapsedMs: Date.now() - start })); /app/pipeline/container/job.ts:64: if (event.type === "tool_execution_start" && event.toolName === "browser") { phase = "browser"; progress(); } /app/pipeline/container/job.ts:65: if (event.type === "tool_execution_end" && event.toolName === "browser") { browserCalls++; phase = "agent"; progress(); } /app/pipeline/container/job.ts:93: harness: job.fixture ? "offline fixture" : "pi 0.87.1 · browser iteration", metrics: { ...usage, latencyMs: Date.now() - start }, transcript, /app/pipeline/node_modules/playwright-core/package.json:4: "description": "A high-level API to automate web browsers", /app/pipeline/node_modules/playwright-core/types/protocol.d.ts:176: * The loadComplete event mirrors the load complete event sent by the browser to assistive /app/pipeline/node_modules/playwright-core/types/protocol.d.ts:1372:https://source.chromium.org/chromium/chromium/src/+/main:components/autofill/core/browser/field_types.cc;l=38 /app/pipeline/node_modules/playwright-core/types/protocol.d.ts:1898: * The Browser domain defines methods and events for browser managing. /app/pipeline/node_modules/playwright-core/types/protocol.d.ts:1904: * The state of the browser window. /app/pipeline/node_modules/playwright-core/types/protocol.d.ts:2082: * Context to override. When omitted, default browser context is used. /app/pipeline/node_modules/playwright-core/types/protocol.d.ts:2084: browserContextId?: BrowserContextID; /app/pipeline/node_modules/playwright-core/types/protocol.d.ts:2099: * BrowserContext to override permissions. When omitted, default browser context is used. /app/pipeline/node_modules/playwright-core/types/protocol.d.ts:2101: browserContextId?: BrowserContextID; /app/pipeline/node_modules/playwright-core/types/protocol.d.ts:2110: * BrowserContext to reset permissions. When omitted, default browser context is used. /app/pipeline/node_modules/playwright-core/types/protocol.d.ts:2112: browserContextId?: BrowserContextID;
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{"offset":1,"limit":100,"path":"/app/pipeline/container/extension.ts"}import type { ExtensionAPI } from "@earendil-works/pi-coding-agent"; import { Type } from "@sinclair/typebox"; import { Preview } from "./browser.ts"; import { statSync } from "node:fs"; import { join } from "node:path"; import retry from "./retry.ts"; export default function extension(pi: ExtensionAPI) { retry(pi); const preview = new Preview(); let missingOutputNudges = 0; let reminder: ReturnType<typeof setTimeout>; pi.on("session_start", () => { missingOutputNudges = 0; clearTimeout(reminder); reminder = setTimeout(() => pi.sendUserMessage("10 minutes have elapsed. At most 5 minutes remain. Finalize the output as soon as possible: save index.html now, fix only essential issues, and finish.", { deliverAs: "steer" }), 10 * 60000).unref(); }); pi.on("session_shutdown", () => { clearTimeout(reminder); return preview.close(); }); pi.on("agent_before_settle", (event, ctx) => { if (event.outcome !== "completed") return; const output = statSync(join(ctx.cwd, "index.html"), { throwIfNoEntry: false }); if (output?.isFile() && output.size > 0) return; if (missingOutputNudges >= 2) return; missingOutputNudges++; pi.sendMessage({ customType: "missing-output", display: true, content: "The output file index.html has not been written, or is empty. Write the complete app to index.html in the current directory now. Use the remaining time to verify it, then finish. The original 15-minute deadline still applies." }, { triggerTurn: false }); return { continue: true }; }); pi.registerTool({ name: "browser", label: "Browser", executionMode: "sequential", description: "Run index.html, inspect DOM/console, interact, and see screenshots or motion frames. Reload after editing. Coordinates use a 1200×800 viewport.", parameters: Type.Object({ action: Type.Union(["reload", "inspect", "screenshot", "motion", "click", "drag", "key", "type", "scroll"].map(x => Type.Literal(x))), x: Type.Optional(Type.Number({ minimum: 0, maximum: 1200 })), y: Type.Optional(Type.Number({ minimum: 0, maximum: 800 })), toX: Type.Optional(Type.Number({ minimum: 0, maximum: 1200 })), toY: Type.Optional(Type.Number({ minimum: 0, maximum: 800 })), text: Type.Optional(Type.String({ maxLength: 2000 })), delta: Type.Optional(Type.Number({ minimum: -1600, maximum: 1600 })), }), async execute(_id, args, _signal, _update, ctx) { if (args.action === "reload" || !preview.page) await preview.reload(ctx.cwd); const p = preview.page!; if (args.action === "click") await p.mouse.click(args.x ?? 600, args.y ?? 400); if (args.action === "drag") { await p.mouse.move(args.x ?? 300, args.y ?? 400); await p.mouse.down(); try { await p.mouse.move(args.toX ?? 900, args.toY ?? 400, { steps: 12 }); } finally { await p.mouse.up(); } } if (args.action === "key") await p.keyboard.press(args.text ?? "Enter"); if (args.action === "type") await p.keyboard.insertText(args.text ?? ""); if (args.action === "scroll") await p.mouse.wheel(0, args.delta ?? 600); const content: ({ type: "text"; text: string } | { type: "image"; data: string; mimeType: string })[] = []; const frames = args.action === "motion" ? 4 : 1; const start = Date.now(); if (ctx.model?.input.includes("image")) for (let n = 0; n < frames; n++) { if (n) await p.waitForTimeout(500); content.push({ type: "text", text: `Frame ${n + 1}, +${Date.now() - start}ms` }); content.push({ type: "image", data: (await p.screenshot({ type: "jpeg", quality: 65, timeout: 5000 })).toString("base64"), mimeType: "image/jpeg" }); } content.push({ type: "text", text: JSON.stringify({ console: preview.logs, dom: (await p.locator("body").innerText()).slice(0, 10000), images: ctx.model?.input.includes("image") ? "attached" : "model does not support images" }) }); return { content, details: {} }; }, }); }
thinking
{"action":"reload"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nPAUSE\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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**Observing the Screenshot** I've got a clear image now! I see a standard 10x20 board with a dark grid, and a "T" piece is active at the top. There's also a ghost piece preview showing at the bottom. The next-piece panel shows an "O" tetromino, and the game status displays score, lines, and level at 0, 0, and 1, respectively.
{"action":"key","text":"ArrowRight"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nPAUSE\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"action":"key","text":"ArrowUp"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nPAUSE\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"action":"key","text":" "}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nPAUSE\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"text":"p","action":"key"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nPAUSED\n\nGame is currently paused\n\nRESUME\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nRESUME\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"text":"p","action":"key"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nPAUSE\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"text":"r","action":"key"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nPAUSE\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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**Calculating Game Score** Okay, I've got the initial game state down: board clear, zero score, zero lines, level one. I'm now diving into the line clearing and scoring mechanics. It looks like it's a level-based multiplier, awarding different points based on the number of rows cleared in a single piece placement: 100, 300, 500, or 800.
{"edits":[{"oldText":" .overlay {\n position: absolute;\n top: 0;\n left: 0;\n width: 100%;\n height: 100%;\n Successfully replaced 1 block(s) in index.html.
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{"action":"reload"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nPAUSE\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"text":"p","action":"key"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nPAUSED\n\nGame is currently paused\n\nRESUME\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nRESUME\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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**Testing UI Element Placement** I've just confirmed the paused overlay now looks great. My next focus is clicking the RESUME button. I'll be simulating a mouse click to test it. I know the RESUME button is in the center, and the board canvas seems to be roughly around x:415, y:485 on the screen. Let's start the test.
{"x":636,"action":"click","y":660}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nPAUSED\n\nGame is currently paused\n\nRESUME\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nRESUME\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"y":532,"x":415,"action":"click"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nPAUSED\n\nGame is currently paused\n\nRESUME\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nRESUME\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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**Investigating Click Failure** I'm now zeroing in on why the click didn't register. I'm focusing on the position of the "RESUME" button in the DOM. I'm also examining the `extension.ts` code, specifically the click trigger logic, checking the `args.x` and `args.y` values passed to the mouse click.
{"action":"inspect"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nPAUSED\n\nGame is currently paused\n\nRESUME\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nRESUME\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"offset":1,"limit":100,"path":"/app/pipeline/container/browser.ts"}import { chromium, type Browser, type Page } from "playwright"; import { serveArtifact } from "../../shared/capture-server.js"; import { bundleWorkdir } from "../../runner/bundle.mjs"; // Agent inspection and publication use exactly the same origin/CSP/viewport. export class Preview { browser?: Browser; page?: Page; server?: Awaited<ReturnType<typeof serveArtifact>>; logs: string[] = []; async open(html: string, timeout = 20000) { await this.close(); this.logs = []; this.server = await serveArtifact(html); this.browser = await chromium.launch({ headless: true, timeout: Math.max(30000, timeout), args: ["--disable-dev-shm-usage"] }); const context = await this.browser.newContext({ viewport: { width: 1200, height: 800 }, serviceWorkers: "block" }); await context.route("**/*", route => route.request().url() === this.server!.url ? route.continue() : route.abort()); this.page = await context.newPage(); this.page.setDefaultTimeout(5000); this.page.on("console", m => this.log(`${m.type()}: ${m.text()}`)); this.page.on("pageerror", e => this.log(`error: ${e.message}`)); await this.page.goto(this.server.url, { waitUntil: "load", timeout }); return this.page; } log(text: string) { if (this.logs.length < 100) this.logs.push(text.slice(0, 1000)); } async reload(cwd: string) { return this.open(bundleWorkdir(cwd)); } async close() { await this.browser?.close(); await this.server?.close(); this.browser = undefined; this.page = undefined; this.server = undefined; } }
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**Analyzing iframe sandboxing** I've been examining how `serveArtifact(html)` handles serving HTML, specifically that it uses an iframe. This caught my attention because the `allow-scripts` and `allow-same-origin` sandbox attributes create a potential escape risk. Now I'm considering what impact that has when we inject it into the Playwright context, and how to proceed regarding the `p.mouse.click(x` function call.
{"command":"cat /app/shared/capture-server.js"}import { createServer } from 'node:http'; import { ARTIFACT_HEADERS } from './security.js'; // A single artifact origin with production response restrictions. No directory // listing or filesystem routing; capture cannot turn this into a file server. export async function serveArtifact(html) { const server = createServer((req, res) => { if (req.method !== 'GET' || req.url !== '/') { res.writeHead(404); res.end(); return; } res.writeHead(200, { ...ARTIFACT_HEADERS, 'cache-control': 'no-store' }); res.end(html); }); await new Promise((resolve, reject) => { server.once('error', reject); server.listen(0, '127.0.0.1', resolve); }); return { url: `http://127.0.0.1:${server.address().port}/`, close: () => new Promise((resolve, reject) => { server.close(error => error ? reject(error) : resolve()); server.closeAllConnections(); }), }; }
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**Investigating Unexpected Behavior** I'm now diving into the logging output, trying to understand why a warning message related to iframes and sandboxing appeared. It seems like Playwright or Chrome might have flagged a potential security issue. Next, I'm shifting focus to troubleshoot why the resume button click didn't execute as expected. **Calculating Button Coordinates** I've been calculating the precise coordinates of the "Resume" button. Based on the viewport and layout details, I believe the y-coordinate is roughly between 420-440px. The x-coordinate should be around 498px, which is the center of the board. This is a significant refinement from my previous attempt and should address the incorrect click behavior I observed earlier.
{"x":500,"y":430,"action":"click"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nPAUSE\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
thinking
{"y":562,"action":"click","x":790}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nPAUSE\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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**Analyzing Visual Coordinates** I've been examining the vertical coordinates of elements. The level card's bottom is approximately at y = 620. The PAUSE button registers around y = 660, and the Restart button is around y = 710. The image's board extends from y = 92 to y = 692. I'm focusing on the relative positions now.
{"action":"click","y":660,"x":759}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nPAUSE\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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**Analyzing the Visual Data** I've got it! The "PAUSE" button is at Y = 660, not where I was initially clicking! Now I understand why it didn't pause. I can see the "NEXT PIECE", "SCORE", "LINES", and "LEVEL" cards in the sidebar too, plus "RESTART", and "CONTRO" buttons. **Investigating the Layout Shift** I've determined the page is scrolling due to the `min-height: 100vh` setting, causing overflow because the content is taller than the viewport. This means I'm looking at a centered, potentially scrolled, view. I've re-measured the "PAUSE" button's location to y = 660, but am still not sure why a click there didn't work. The layout height is around 900px, which confirms a scrollable page. The board's top is near y = 92.
{"x":702,"action":"click","y":615}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\nPAUSE\nRESTART\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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**Analyzing Layout Discrepancies** I'm currently investigating a potential discrepancy in the page layout. I've been examining the `index.html` file to understand the positioning of the sidebar. I've noted that `.board-wrapper` has a width of 300 while `.sidebar` has a width of 180. I'm also puzzled as to why the "Controls" card is visually below the "Restart" button. I'm now checking the height of `.sidebar`, starting with "Panel 1 (Next piece):" to further understand the layout. **Revising Sidebar Dimensions** I've calculated the sidebar's total height at approximately 618px, exceeding the board wrapper's 606px. My initial click coordinate tests seem inconsistent, and I'm investigating the layout's hitboxes, starting with `#resumeBtn`. I'm now considering alternative sidebar layouts, perhaps splitting it into two columns. My goal is a streamlined, compact design that avoids scrolling and fits standard viewports, for example, combining stats and the "next piece" preview. Now, I will look at condensing score, lines, and levels.
{"command":"node -e 'console.log(process.version)'"}v24.18.0
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{"command":"NODE_PATH=/app/pipeline/node_modules node -e 'const { chromium } = require(\"playwright\"); console.log(typeof chromium.launch);function
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**Testing Game Requirements** I've confirmed Playwright's availability and am moving forward. I'm developing a test script to cover all game requirements. This includes verifying the seven tetrominoes, their spawn positions, and functionality for movement, rotation, soft drop, and hard drop. Additionally, I am designing checks for illegal moves and rotations that overlap occupied cells. **Defining Game Functionality** I'm now focusing on defining the precise game functionality. I'm detailing the lock-down mechanics for landed pieces and the process for clearing rows and spawning new pieces. I'm working through the scoring system and level progression, including the gravity speed increases. Furthermore, I've got a system for detecting the game-over condition when a new piece can't spawn. I've also incorporated pause/resume and restart. **Designing UI Interactions** I'm now detailing the user interface and interactions. I've sketched a panel layout, considering the screen height, and finalized button handlers. I've planned the controls for both keyboard and mouse/touch inputs. My progress is now on pause, restart, and also the game loop updates when paused or resumed. I've incorporated `isPaused` and the related game state changes. I've also detailed the `resetGame()` process that will happen upon restart. **Finalizing Game Over** I've just solidified the game-over conditions. The game ends immediately if a new piece spawns and collides. Otherwise, game-over also triggers if locked blocks reach row zero. I've also incorporated the overlay with "GAME OVER", score, and restart. I'm also reviewing wall kick and rotation rules. I am working through the logic of rotation when a piece is near a wall. **Verifying Wall Kicks** I'm now diving into wall kicks. I'm testing CW rotations from (0,0) which failed, so now I am trying (-1,0) and (-2,0) to check if moving left works before rejecting. I'm considering scenarios where blocks are trapped. If all kicks fail, the rotation will be rejected. I've also verified the scoring requirements, specifically the point multipliers for row clears, and the level progression based on cleared lines. I'm ensuring all is working as specified. **Calculating Point Multipliers** I've been calculating how to implement the point multipliers for row clears. I'm choosing to multiply the base points by the level during the line clear event, as it aligns with the specifications. This is good! Also, I have validated that the drop speed formula, which is a key part of the level progression, is working correctly. I'm now implementing the UI elements. I'm focusing on a three-column layout for desktops. I'm finalizing elements for controls, the game board, the next piece preview, score display, level, and pause/restart buttons. I'm working on a clean arcade aesthetic with perfect alignments.
index.html (28504 bytes)Successfully wrote to index.html
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{"action":"reload"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\nPAUSE\nRESTART\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
thinking
**Analyzing the Layout** I've been analyzing the layout, specifically ensuring it's balanced and fits the 1200x800 viewport without needing scrolling. The arrangement is looking solid: controls on the left, the main board in the center, game stats on the right, and touch controls at the bottom.
{"command":"NODE_PATH=/app/pipeline/node_modules node -e '\nconst { chromium } = require(\"playwright\");\nconst fs = require(\"fs\");\n\n(aChecking initial state... Test: Move Left and Right... Test: Rotate... Piece rotated: L Test: Hard drop... Locked cells count: 4 Next piece spawned successfully Test: Pause and Resume via keyboard... Test: Restart via R key... Test: Scoring for 1, 2, 3, 4 lines... Scoring and level progression verified! Test: Game Over on blocked spawn... [eval]:146 if (!sOver.isGameOver) throw new Error("Game over not triggered when spawn blocked"); ^ Error: Game over not triggered when spawn blocked at [eval]:146:32 Node.js v24.18.0 Command exited with code 1
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**Analyzing Test Failure** I'm currently investigating a failing test: "Game over not triggered when spawn blocked." The test fills the top rows of the Tetris board, presumably to simulate a blocked spawn. I'm focusing on the `page.evaluate` portion to understand how the board state is being manipulated and why the game-over condition isn't being detected. I'll need to examine the interactions within the board state to determine the discrepancy.
{"command":"NODE_PATH=/app/pipeline/node_modules node -e '\nconst { chromium } = require(\"playwright\");\n\n(async () => {\n const browserTest: Game Over on blocked spawn (partial row, spawn cols blocked)... Game over correctly triggered: true
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**Testing Rotation Failures** I've confirmed game over functionality is working as designed. My focus has shifted to the edge cases of rotation and wall collisions. Specifically, I'm investigating what happens when a piece attempts to rotate while up against a wall, and rotation "kicks" fail. I'm planning a test script to address scenarios where a piece is completely blocked by walls on both sides.
{"command":"NODE_PATH=/app/pipeline/node_modules node -e '\nconst { chromium } = require(\"playwright\");\n\n(async () => {\n const browserLeft wall bounds check: PASS (x = 0) Right wall bounds check: PASS (x = 7) Rotation in tight space handled: Kicked successfully
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**Verifying Rotation Block** I'm now focusing on a specific scenario: complete blockage. I need to confirm that when all kick attempts are thwarted – imagine being boxed in on all sides – rotation is strictly disallowed. It's crucial that the game state remains unchanged in such an impossible situation, and I am currently verifying this.
{"command":"NODE_PATH=/app/pipeline/node_modules node -e '\nconst { chromium } = require(\"playwright\");\n\n(async () => {\n const browserStrict rejection of blocked rotation: PASS
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{"action":"reload"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\nPAUSE\nRESTART\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"action":"key","text":"ArrowLeft"}Frame 1, +0ms
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{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\nPAUSE\nRESTART\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"text":"ArrowUp","action":"key"}Frame 1, +0ms
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{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\nPAUSE\nRESTART\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"action":"key","text":" "}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\nPAUSE\nRESTART\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"text":"p","action":"key"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\nRESUME\nRESTART\nPAUSED\n\nGame is paused\n\nRESUME\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"action":"key","text":"p"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\nPAUSE\nRESTART\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"action":"key","text":"r"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"TETRIS\nCONTROLS\n← / →\nMove\n↑\nRotate CW\n↓\nSoft Drop\nSpace\nHard Drop\nP / Esc\nPause\nR\nRestart\nPAUSE\nRESTART\nNEXT PIECE\nSCORE\n0\nLINES\n0\nLEVEL\n1\n← Left\n↻ Rotate\nRight →\n↓ Soft Drop\n⤓ Hard Drop","images":"attached"}
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{"command":"ls -la"}total 40 drwx------ 3 node node 4096 Oct 9 07:03 . drwxrwxrwt 8 root root 4096 Oct 9 07:08 .. drwxr-xr-x 4 node node 4096 Oct 9 07:03 .home -rw-r--r-- 1 node node 28522 Oct 9 07:06 index.html
I have built and verified the falling-block Tetris web application in a self-contained `index.html`. ### What Was Built: - **Canvas Board & Tetrominoes**: A 10-column by 20-row visible board canvas featuring all 7 standard tetrominoes (I, J, L, O, S, T, Z) with legal spawn positions and 7-bag randomizer distribution. - **Controls & Collision**: - `←` / `→` to move laterally (bounded by walls and occupied blocks). - `↑` to rotate clockwise with wall kick offsets; blocked rotations reject cleanly without altering piece state or matrix. - `↓` to soft-drop. - `Space` to hard-drop instantly. - Visible control cards and on-screen clickable buttons for all actions. - **Line Clearing & Scoring**: - Full rows clear, rows above collapse downward, and the next piece spawns. - Scores awarded: 100, 300, 500, or 800 points for 1, 2, 3, or 4 cleared rows, multiplied by the current level. - Cleared-line counter, score counter, and level counter displayed. - Level advances and gravity speed increases every 10 cleared lines. - **Next-Piece Preview & Overlays**: - Next piece preview canvas dynamically displays the upcoming tetromino. - Ghost piece projection showing landing spot. - Pause / Resume modal overlay (`P` / `Esc` or button). - Game Over modal overlay when a spawned piece is blocked, with final score and restart options. - Restart (`R` or button) resetting board, score, lines, level, and piece bag sequence. ### Verification Performed: - Verified move and clockwise rotation of initial piece (`ArrowLeft`, `ArrowRight`, `ArrowUp`). - Verified hard drop (`Space`), confirming piece locked into the board, next piece spawned at the top, and next-piece preview advanced. - Verified pausing and resuming (`p` and button). - Verified restart (`r` and button), checking the board was completely cleared, score reset to 0, lines reset to 0, and level reset to 1. - Verified automated scoring tests for single, double, triple, and tetris line clears, level progression at 10 lines, wall bounds rejection, blocked rotation rejection, and game over on blocked spawns.