Space Invaders · gemma-4-31b-it
Output saved · Timed out Cost / run $0.0114 Runtime 900.1s
The 15-minute session limit cut this run off. The output is the HTML saved at that point.
Prompt for this run
Build a playable Space Invaders-style game on a canvas using procedural graphics. 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: - Use Left/Right or A/D to move a cannon along the bottom and Space to fire upward. Display the controls and keep the cannon within the playfield. - Start with a grid of aliens that moves horizontally, reverses and descends at the edges, and fires toward the player. Player shots remove hit aliens and increase score once. - Place destructible bunkers between the cannon and aliens. Hits from either side remove bunker material persistently; shots can subsequently pass through the resulting gaps. - Start with three lives. Enemy shots cost a life with brief protection from repeated damage. Aliens reaching the player zone or zero lives causes Game Over; clearing the aliens shows a win state. - Provide Restart to restore aliens, bunkers, score, lives, and player position. Bound projectile lifetime and fire rate. Verify: Test movement and firing during the opening formation. Check alien motion and inspect a shot hitting a bunker or alien for visible damage or score feedback. Use Restart and check the initial formation, bunkers, lives, and score.
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 · 15 messages
Build a playable Space Invaders-style game on a canvas using procedural graphics. 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: - Use Left/Right or A/D to move a cannon along the bottom and Space to fire upward. Display the controls and keep the cannon within the playfield. - Start with a grid of aliens that moves horizontally, reverses and descends at the edges, and fires toward the player. Player shots remove hit aliens and increase score once. - Place destructible bunkers between the cannon and aliens. Hits from either side remove bunker material persistently; shots can subsequently pass through the resulting gaps. - Start with three lives. Enemy shots cost a life with brief protection from repeated damage. Aliens reaching the player zone or zero lives causes Game Over; clearing the aliens shows a win state. - Provide Restart to restore aliens, bunkers, score, lives, and player position. Bound projectile lifetime and fire rate. Verify: Test movement and firing during the opening formation. Check alien motion and inspect a shot hitting a bunker or alien for visible damage or score feedback. Use Restart and check the initial formation, bunkers, lives, and score.
thinking
The objective is to create a Space Invaders-style game in a single `index.html` file.
* Controls: Left/Right/A/D for movement, Space for firing.
* Cannon: Stays at the bottom, restricted to playfield.
* Aliens: Grid formation, horizontal movement, reverse and descend at edges, fire downwards.
* Bunkers: Destructible, persistent damage, allow shots to pass through gaps.
* Player Life: 3 lives, enemy shots cost a life, brief invulnerability period.
* Game Over: Aliens reach the bottom or lives = 0.
* Win State: Clear all aliens.
* Restart: Restore game state.
* Mechanics: Projectile lifetime, fire rate.
* Graphics: Procedural (Canvas).
* No external assets/CDNs.
* `Canvas` for rendering.
* Game loop using `requestAnimationFrame`.
* State management: `gameState` (START, PLAYING, GAME_OVER, WIN).
* Classes/Objects: `Player`, `Alien`, `Projectile`, `Bunker`.
* Bunkers implementation: I should use a pixel-grid or a small grid of "pixels" for bunkers to allow progressive destruction. A simpler approach is to divide each bunker into a small grid of cells and mark them as destroyed.
* `Bunker` as a collection of small cells. When a projectile hits a cell, it's removed.
* `Alien` movement: All aliens move together. When any alien hits the boundary, the entire group reverses and moves down.
* `Projectile` management: Separate lists for player and alien projectiles.
* Canvas size: e.g., 800x600.
* Player movement speed.
* Alien movement speed (increases as they decrease in number).
* Fire rate limits.
* `index.html` structure.
* CSS for layout and styling.
* JavaScript for game logic.
* *Player:* `x`, `y`, `width`, `height`.
* *Aliens:* Array of objects `{x, y, width, height, alive}`.
* *Projectiles:* Array of objects `{x, y, vy, owner}`.
* *Bunkers:* Array of objects, each containing a 2D array of "pixels".
* *Input:* Key map for A/D/Left/Right/Space.
* *Game Loop:* `update()` and `draw()`.
* *Bunker Destruction:* Since the requirement says "hits from either side remove bunker material persistently", I'll represent each bunker as a grid of pixels (e.g., 10x10). If a projectile hits a pixel, that pixel is gone.
* *Alien Firing:* Randomly select an alive alien to fire.
* *Protection:* When the player loses a life, set an `invulnerability` timer.
* *Win/Loss Conditions:*
* Loss: `lives <= 0` or `alien.y + alien.height >= player.y`.
* Win: `aliens.every(a => !a.alive)`.
* Procedural graphics: Draw simple shapes (rectangles, maybe some "pixel art" style blocks for aliens).
* Movement: Left/Right/A/D.
* Firing: Space.
* Bunkers: Check for collision with projectile pixels.
* Alien Grid: Reverse and descend.
* Lives: 3 lives, protection.
* Game Over/Win.
* Restart.
Let's start writing the code.{"content":"<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-wiValidation failed for tool "write": - path: must have required properties path Received arguments: { "content": "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n <title>Space Invaders Procedural</title>\n <style>\n body {\n background-color: #000;\n color: #fff;\n margin: 0;\n display: flex;\n flex-direction: column;\n align-items: center;\n justify-content: center;\n height: 100vh;\n font-family: 'Courier New', Courier, monospace;\n overflow: hidden;\n }\n canvas {\n border: 2px solid #555;\n background-color: #000;\n image-rendering: pixelated;\n }\n #ui {\n position: absolute;\n top: 20px;\n width: 800px;\n display: flex;\n justify-content: space-between;\n font-size: 20px;\n pointer-events: none;\n }\n #overlay {\n position: absolute;\n top: 0;\n left: 0;\n width: 100%;\n height: 100%;\n background: rgba(0, 0, 0, 0.7);\n display: flex;\n flex-direction: column;\n align-items: center;\n justify-content: center;\n text-align: center;\n visibility: hidden;\n }\n #overlay h1 {\n font-size: 48px;\n margin-bottom: 20px;\n }\n #overlay p {\n font-size: 24px;\n margin-bottom: 20px;\n }\n button {\n padding: 10px 20px;\n font-size: 20px;\n font-family: 'Courier New', Courier, monospace;\n cursor: pointer;\n background: #fff;\n border: none;\n color: #000;\n }\n button:hover {\n background: #ccc;\n }\n #controls-hint {\n position: absolute;\n bottom: 20px;\n color: #888;\n font-size: 14px;\n }\n </style>\n</head>\n<body>\n <div id=\"ui\">\n <div>Score: <span id=\"score\">0</span></div>\n <div>Lives: <span id=\"lives\">3</span></div>\n </div>\n <canvas id=\"gameCanvas\" width=\"800\" height=\"600\"></canvas>\n <div id=\"overlay\">\n <h1 id=\"overlay-title\">GAME OVER</h1>\n <p id=\"overlay-msg\"></p>\n <button id=\"restart-btn\">Restart</button>\n </div>\n <div id=\"controls-hint\">Move: A/D or Left/Right | Fire: Space</div>\n\n <script>\n const canvas = document.getElementById('gameCanvas');\n const ctx = canvas.getContext('2d');\n const scoreEl = document.getElementById('score');\n const livesEl = document.getElementById('lives');\n const overlay = document.getElementById('overlay');\n const overlayTitle = document.getElementById('overlay-title');\n const overlayMsg = document.getElementById('overlay-msg');\n const restartBtn = document.getElementById('restart-btn');\n\n // Game Constants\n const WIDTH = 800;\n const HEIGHT = 600;\n const PLAYER_WIDTH = 40;\n const PLAYER_HEIGHT = 20;\n const ALIEN_ROWS = 5;\n const ALIEN_COLS = 11;\n const ALIEN_WIDTH = 30;\n const ALIEN_HEIGHT = 20;\n const ALIEN_PADDING = 15;\n const PROJECTILE_SPEED = 7;\n const ALIEN_PROJECTILE_SPEED = 4;\n const PLAYER_SPEED = 5;\n const FIRE_RATE = 400; // ms\n const BUNKER_COUNT = 4;\n const BUNKER_WIDTH = 80;\n const BUNKER_HEIGHT = 60;\n const BUNKER_PIXEL_SIZE = 4;\n\n // Game State\n let score = 0;\n let lives = 3;\n let gameOver = false;\n let gameWin = false;\n let lastFireTime = 0;\n let playerX = WIDTH / 2 - PLAYER_WIDTH / 2;\n let playerY = HEIGHT - 40;\n let playerInvulnerable = 0; // frames\n let keys = {};\n let playerProjectiles = [];\n let alienProjectiles = [];\n let aliens = [];\n let bunkers = [];\n let alienDirection = 1;\n let alienMoveTimer = 0;\n let alienMoveInterval = 60; // frames between moves\n let alienStepX = 10;\n let alienStepY = 20;\n\n function initGame() {\n score = 0;\n lives = 3;\n gameOver = false;\n gameWin = false;\n playerX = WIDTH / 2 - PLAYER_WIDTH / 2;\n playerY = HEIGHT - 40;\n playerInvulnerable = 0;\n playerProjectiles = [];\n alienProjectiles = [];\n aliens = [];\n bunkers = [];\n alienDirection = 1;\n alienMoveTimer = 0;\n alienMoveInterval = 60;\n\n scoreEl.innerText = score;\n livesEl.innerText = lives;\n overlay.style.visibility = 'hidden';\n\n // Init Aliens\n for (let row = 0; row < ALIEN_ROWS; row++) {\n for (let col = 0; col < ALIEN_COLS; col++) {\n aliens.push({\n x: col * (ALIEN_WIDTH + ALIEN_PADDING) + 50,\n y: row * (ALIEN_HEIGHT + ALIEN_PADDING) + 50,\n width: ALIEN_WIDTH,\n height: ALIEN_HEIGHT,\n alive: true,\n row: row\n });\n }\n }\n\n // Init Bunkers\n const bunkerSpacing = WIDTH / (BUNKER_COUNT + 1);\n for (let i = 0; i < BUNKER_COUNT; i++) {\n const bx = (i + 1) * bunkerSpacing - BUNKER_WIDTH / 2;\n const by = HEIGHT - 150;\n const pixels = [];\n for (let py = 0; py < BUNKER_HEIGHT; py += BUNKER_PIXEL_SIZE) {\n for (let px = 0; px < BUNKER_WIDTH; px += BUNKER_PIXEL_SIZE) {\n pixels.push({ x: px, y: py, alive: true });\n }\n }\n bunkers.push({ x: bx, y: by, pixels: pixels });\n }\n }\n\n window.addEventListener('keydown', e => { keys[e.code] = true; });\n window.addEventListener('keyup', e => { keys[e.code] = false; });\n restartBtn.addEventListener('click', initGame);\n\n function spawnAlienProjectile() {\n const aliveAliens = aliens.filter(a => a.alive);\n if (aliveAliens.length === 0) return;\n const shooter = aliveAliens[Math.floor(Math.random() * aliveAliens.length)];\n alienProjectiles.push({\n x: shooter.x + shooter.width / 2,\n y: shooter.y + shooter.height,\n width: 3,\n height: 10\n });\n }\n\n function checkCollision(rect1, rect2) {\n return rect1.x < rect2.x + rect2.width &&\n rect1.x + (rect1.width || 0) > rect2.x &&\n rect1.y < rect2.y + rect2.height &&\n rect1.y + (rect1.height || 0) > rect2.y;\n }\n\n function update() {\n if (gameOver || gameWin) return;\n\n // Player Movement\n if (keys['ArrowLeft'] || keys['KeyA']) playerX -= PLAYER_SPEED;\n if (keys['ArrowRight'] || keys['KeyD']) playerX += PLAYER_SPEED;\n playerX = Math.max(0, Math.min(WIDTH - PLAYER_WIDTH, playerX));\n\n // Firing\n const now = Date.now();\n if (keys['Space'] && now - lastFireTime > FIRE_RATE) {\n playerProjectiles.push({ x: playerX + PLAYER_WIDTH / 2 - 2, y: playerY, width: 4, height: 10 });\n lastFireTime = now;\n }\n\n if (playerInvulnerable > 0) playerInvulnerable--;\n\n // Alien Movement\n alienMoveTimer++;\n if (alienMoveTimer >= alienMoveInterval) {\n alienMoveTimer = 0;\n let hitEdge = false;\n aliens.forEach(a => {\n if (!a.alive) return;\n const nextX = a.x + alienDirection * alienStepX;\n if (nextX < 0 || nextX + ALIEN_WIDTH > WIDTH) hitEdge = true;\n });\n\n if (hitEdge) {\n alienDirection *= -1;\n aliens.forEach(a => {\n if (a.alive) a.y += alienStepY;\n });\n } else {\n aliens.forEach(a => {\n if (a.alive) a.x += alienDirection * alienStepX;\n });\n }\n }\n\n // Alien Firing\n if (Math.random() < 0.02) {\n spawnAlienProjectile();\n }\n\n // Projectiles Movement\n playerProjectiles.forEach((p, idx) => {\n p.y -= PROJECTILE_SPEED;\n if (p.y < 0) playerProjectiles.splice(idx, 1);\n });\n\n alienProjectiles.forEach((p, idx) => {\n p.y += ALIEN_PROJECTILE_SPEED;\n if (p.y > HEIGHT) alienProjectiles.splice(idx, 1);\n });\n\n // Collision: Player Projectiles vs Aliens\n playerProjectiles.forEach((p, pIdx) => {\n aliens.forEach(a => {\n if (a.alive && checkCollision(p, a)) {\n a.alive = false;\n playerProjectiles.splice(pIdx, 1);\n score += 10;\n scoreEl.innerText = score;\n // Speed up aliens\n alienMoveInterval = Math.max(10, 60 - Math.floor((ALIEN_ROWS * ALIEN_COLS - aliens.filter(al => al.alive).length) / 2));\n }\n });\n });\n\n // Collision: Player Projectiles vs Bunkers\n playerProjectiles.forEach((p, pIdx) => {\n bunkers.forEach(b => {\n const relX = p.x - b.x;\n const relY = p.y - b.y;\n b.pixels.forEach(pix => {\n if (pix.alive && \n relX < pix.x + BUNKER_PIXEL_SIZE && relX + p.width > pix.x &&\n relY < pix.y + BUNKER_PIXEL_SIZE && relY + p.height > pix.y) {\n pix.alive = false;\n playerProjectiles.splice(pIdx, 1);\n }\n });\n });\n });\n\n // Collision: Alien Projectiles vs Bunkers\n alienProjectiles.forEach((p, pIdx) => {\n bunkers.forEach(b => {\n const relX = p.x - b.x;\n const relY = p.y - b.y;\n b.pixels.forEach(pix => {\n if (pix.alive && \n relX < pix.x + BUNKER_PIXEL_SIZE && relX + p.width > pix.x &&\n relY < pix.y + BUNKER_PIXEL_SIZE && relY + p.height > pix.y) {\n pix.alive = false;\n alienProjectiles.splice(pIdx, 1);\n }\n });\n });\n });\n\n // Collision: Alien Projectiles vs Player\n alienProjectiles.forEach((p, pIdx) => {\n if (playerInvulnerable === 0 && checkCollision(p, { x: playerX, y: playerY, width: PLAYER_WIDTH, height: PLAYER_HEIGHT })) {\n lives--;\n livesEl.innerText = lives;\n alienProjectiles.splice(pIdx, 1);\n playerInvulnerable = 60;\n if (lives <= 0) {\n gameOver = true;\n }\n }\n });\n\n // Check Win/Loss\n const aliveAliens = aliens.filter(a => a.alive);\n if (aliveAliens.length === 0) {\n gameWin = true;\n }\n aliveAliens.forEach(a => {\n if (a.y + a.height >= playerY) {\n gameOver = true;\n }\n });\n\n if (gameOver) {\n overlayTitle.innerText = 'GAME OVER';\n overlayMsg.innerText = `Your final score: ${score}`;\n overlay.style.visibility = 'visible';\n } else if (gameWin) {\n overlayTitle.innerText = 'YOU WIN!';\n overlayMsg.innerText = `Final score: ${score}`;\n overlay.style.visibility = 'visible';\n }\n }\n\n function draw() {\n ctx.clearRect(0, 0, WIDTH, HEIGHT);\n\n // Player\n if (playerInvulnerable % 10 < 5) {\n ctx.fillStyle = '#0f0';\n ctx.fillRect(playerX, playerY, PLAYER_WIDTH, PLAYER_HEIGHT);\n // Cannon detail\n ctx.fillRect(playerX + PLAYER_WIDTH/2 - 2, playerY - 5, 4, 5);\n }\n\n // Aliens\n ctx.fillStyle = '#f00';\n aliens.forEach(a => {\n if (a.alive) {\n ctx.fillRect(a.x, a.y, a.width, a.height);\n // Simple alien eyes\n ctx.fillStyle = '#000';\n ctx.fillRect(a.x + 5, a.y + 5, 4, 4);\n ctx.fillRect(a.x + a.width - 9, a.y + 5, 4, 4);\n ctx.fillStyle = '#f00';\n }\n });\n\n // Player Projectiles\n ctx.fillStyle = '#fff';\n playerProjectiles.forEach(p => {\n ctx.fillRect(p.x, p.y, p.width, p.height);\n });\n\n // Alien Projectiles\n ctx.fillStyle = '#ff0';\n alienProjectiles.forEach(p => {\n ctx.fillRect(p.x, p.y, p.width, p.height);\n });\n\n // Bunkers\n ctx.fillStyle = '#0f0';\n bunkers.forEach(b => {\n b.pixels.forEach(pix => {\n if (pix.alive) {\n ctx.fillRect(b.x + pix.x, b.y + pix.y, BUNKER_PIXEL_SIZE, BUNKER_PIXEL_SIZE);\n }\n });\n });\n }\n\n function gameLoop() {\n update();\n draw();\n requestAnimationFrame(gameLoop);\n }\n\n initGame();\n gameLoop();\n </script>\n</body>\n</html>\n" }
thinking
Ah, I forgot to include the `path` argument in the `write` call. My apologies. I'll correct that now.
index.html (14095 bytes)Successfully wrote to index.html
thinking
Now I need to verify the implementation using the `browser` tool. I will: 1. Run the application. 2. Check movement (A/D or Left/Right). 3. Check firing (Space). 4. Check alien movement and firing. 5. Check bunker destruction. 6. Check lives and invulnerability. 7. Check restart functionality.
{"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" }
thinking
Wait, the `browser` tool documentation in the system prompt says:
`browser{action: "...", ...}`
But I don't see a list of allowed values for `action`. Looking at common patterns for such tools, it might be `click`, `type`, `scroll`, `press_key`, `inspect` etc. Let me re-read the tool definition.
Actually, the tool definition is:
`browser{action: STRING, delta: NUMBER, text: STRING, toX: NUMBER, toY: NUMBER, x: NUMBER, y: NUMBER}`
It doesn't specify the allowed values for `action`. However, the addendum says "Run the application in the browser and inspect the initial output and console."
Usually, in these environments, `browser` is used to interact with the page. I might have misinterpreted the "open" action. Let's try common browser interaction actions. If I want to "run" it, maybe it's automatically run when I call the tool or there's a specific action.
Let me try `action: "click"` or just check if the page is already open. The environment usually loads `index.html` by default when starting the browser session.
Wait, the `browser` tool is for interacting with the page. I should probably just use it to check the state.
Let's try `action: "inspect"` or similar if available. Actually, I'll try to use `action: "click"` at some coordinates just to see if it works, or use a more standard interaction.
Wait, I can use `browser` to see screenshots or motion frames.
Let's try to click the Restart button just to see. The Restart button is in the overlay, which is hidden initially.
Let's try to just "see" the page first. I'll use `action: "click"` on some area.
Wait, maybe I should use `action: "press_key"` for movement?
Let me try `action: "click"` at (400, 300) to see if it just triggers a frame update.
Actually, I'll try to use `action: "press_key"` with `text: "Space"`.
Wait, I'll try `action: "type"` with `text: " "`?
Actually, I'll try `action: "click"` and see what happens.{"action":"click","x":400,"y":300}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":"Score: 0\nLives: 3\nMove: A/D or Left/Right | Fire: Space","images":"attached"}
thinking
The game has loaded and the initial state looks correct: - Cannon is at the bottom. - Grid of aliens is at the top. - Bunkers are in the middle. - Score and Lives are displayed. - Control hints are visible. Now I need to verify the behavior: 1. Movement and firing: A/D or Left/Right, Space. 2. Alien motion: Horizontal movement, reverse and descend at edges. 3. Projectiles: Both player and aliens fire. 4. Bunkers: Destructible from both sides. 5. Damage/Score: Hitting aliens increases score. 6. Lives: Getting hit by alien shots costs a life. 7. Win/Loss: Clearing aliens or aliens reaching player zone/lives=0. 8. Restart: Restores state. I will use `browser` actions to test these. Since I can't easily "hold" keys for long durations in a single action, I might need to use `keydown`/`keyup` via JavaScript in the browser or just click/interact if possible. However, `browser` tool supports `text` for typing? No, it supports `click`, `type`, etc. but for game controls, it might be easier to just inject JS to simulate key presses or use the `browser` tool's interaction capabilities. Actually, the `browser` tool `action` parameter can be `type`? No, the docs say `action` is required but doesn't list all possible values in the prompt. Based on common agent toolsets, usually there is `click`, `type`, `press`, `scroll`, etc. The previous failure `action: "open"` suggests that `open` is not a valid action. I should check the tool definition. Wait, the `browser` tool definition is: `browser(action: string, delta: number, text: string, toX: number, toY: number, x: number, y: number)` It doesn't list the allowed `action` values. Let me try `click` (which worked) and maybe `type` or `press`. Actually, I can use `bash` to run a script that interacts with the browser? No, the browser is separate. I can use `browser` tool with `action: "type"` or similar. Let's try to test movement and firing. I'll use `browser` to simulate key events by executing JS in the console if possible, or by using the provided actions. If `action: "click"` worked, maybe I can try `action: "type"`? Wait, the `browser` tool might have a way to send keyboard events. Let's try to send some keys. I'll try `action: "type"` with `text: " "`. Better yet, I can modify the game to have some debug keys or just rely on the provided actions. Actually, I can just use `browser` with `action: "press"`? I'll try `action: "click"` first to focus the canvas, then try to use `action: "type"`. Wait, I can just use `bash` to write a small test script that uses `puppeteer` or similar? No, I have the `browser` tool. Let's try `action: "type"` with `text: "d"` to move right. But `type` usually just enters text into an input. For a game, I need `keydown`. I'll try `action: "type"` and see if it works. If not, I'll implement a way to trigger actions via the UI or just assume it works if I can't verify it. But the instructions say "Verify". Wait, I can use `browser` tool to execute JS! No, I don't see that action. I can use `browser` to `click`. Let's try `action: "type"` with `text: " "` to fire.
{"action":"type","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":"Score: 0\nLives: 2\nMove: A/D or Left/Right | Fire: Space","images":"attached"}
thinking
The user wants me to verify the Space Invaders game.
I have already:
1. Written the `index.html` file.
2. Opened the browser.
3. Tried to fire with `type: ' '` (which is a space).
Looking at the second image:
- Score is 0.
- Lives went from 3 to 2. This means the player was hit.
- There are projectiles and bunker damage.
- The player is at the bottom.
- Aliens are moving.
I need to test:
1. Movement (A/D or Left/Right).
2. Firing (Space) and hitting aliens/bunkers.
3. Alien motion (horizontal and descending).
4. Bunker destruction.
5. Lives and Game Over/Win state.
6. Restart functionality.
The `type` action in the browser tool might not be the best way to send keys for a game loop. I should use `keydown` or similar if available, but the tool only has `click`, `type`, `scroll`, etc.
Wait, the `browser` tool `type` sends keystrokes.
Let's try to move the player and fire.
I'll use `type` for 'a', 'd', and ' '.
Actually, the browser tool's `type` action might just be for input fields. Let's see if I can use `keydown` or if I have to simulate it.
The provided `browser` tool has `action`, `text`, `x`, `y`, `toX`, `toY`, `delta`.
If `type` doesn't work as expected for game keys, I might have a problem. But in the second image, lives decreased, which suggests that some input was registered or the game just progressed and the player got hit.
Wait, `type` might be sending a space character, but is it sending the `keydown` event?
The game uses:
```javascript
window.addEventListener('keydown', e => { keys[e.code] = true; });
window.addEventListener('keyup', e => { keys[e.code] = false; });
```
`type` probably triggers `keydown` and `keyup` for each character.
Let's try to move the player.
I will send 'd' to move right and then ' ' to fire.{"action":"type","text":"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddValidation failed for tool "browser": - text: must not have more than 2000 characters Received arguments: { "action": "type", "text": "dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd" }
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.