Top-down alien shooter · deepseek-chat-v3.1

Using the pre-provided phaser.min.js (global Phaser), build a top-down alien shooter: move with WASD, aim and fire at waves of advancing aliens, with health, score, and increasing difficulty. Use ONLY procedurally generated graphics, no external image or audio assets.

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transcript · 55 messages

user

assistant

thinking

I'll first check the current directory to see what files are present, including the phaser.min.js file. Then I'll create a single index.html with embedded CSS and JS, using Phaser. The game should have: player movement (WASD), mouse aim and fire, waves of aliens, health, score, increasing difficulty. All graphics must be procedural (using Phaser's graphics API or shapes). No external assets.

Let's start by checking the directory.

→ bash {"command":"ls -la /tmp/ws"}

toolResult

total 1156 drwxr-sr-x. 2 node node 27 Aug 1 17:41 . drwxrwsrwx. 3 root node 16 Aug 1 17:41 .. -rw-r--r--. 1 node node 1181917 Aug 1 17:41 phaser.min.js

assistant

thinking

Great, phaser.min.js is present. Now I'll create index.html. I'll need to design the game with Phaser 3. Let's think about the structure: We'll have a preload scene (maybe just load nothing), a game scene, and UI overlay.

We'll create player as a rectangle or circle, aliens as shapes (maybe triangles), bullets as circles, explosions as particles.

I'll write the HTML with a canvas and script tag. The JS will be inline.

Let's write the entire file. First, I'll create a basic skeleton and then fill in the Phaser game config. Let's do it stepwise. I'll create index.html now.

→ write /tmp/ws/index.html (4446 bytes)

toolResult

Successfully wrote 4446 bytes to /tmp/ws/index.html

assistant

thinking

Now I need to write the Phaser game script. I'll create a single script tag with all the logic. Let's design:

- Preload: nothing needed (maybe generate textures later)
- Create: setup physics, player, aliens, bullets, collisions, input, wave manager.

I'll write the code in a modular fashion but all inside the script tag. Let's start writing. I'll edit the index.html file to replace the script content. First, read the file to see its exact content, then replace the script section. Let's read first.

→ read {"path":"/tmp/ws/index.html"}

toolResult

assistant

thinking

Now I need to replace the script content with the full game code. I'll do an edit. Let's write the game code. I'll create a Phaser game config, define scenes, etc. I'll aim for a classic top-down shooter.

Let's do it step by step in the edit. I'll write the entire script block. I'll be careful about quotes. Use template literals.

I'll start writing the code now. Let's edit the file: replace the script content from "// Game code will be inserted here" to the full code. Let's first create the code in a separate variable to ensure correctness. I'll write it here, then apply.

But first, I need to know the canvas ID: "gameCanvas". We'll use that in config.

Let's produce the code. I'll write it directly in the edit. Let's do it.

→ edit

{"path":"/tmp/ws/index.html","edits":[{"oldText":"    <script>\n        // Game code will be inserted here\n    </script>","newText":"    <s

toolResult

Successfully replaced 1 block(s) in /tmp/ws/index.html.

assistant

thinking

Now we need to ensure the game works. However, there are some issues: we are using graphics as children of physics objects, but we added graphics as separate objects and then added them as children using `alien.add(alien.gfx)`. However, Phaser's Graphics objects are not GameObjects that can be added as children of Arcade Physics bodies. Instead, we should draw directly on the alien's graphics each frame, or we can create a container. Let's simplify: we'll create a graphics object for each alien and bullet, and update their positions each frame in update loop.

Alternatively, we can use `this.add.graphics()` and store references, then set x,y each update. That's easier.

We'll modify the code: remove the adding of graphics as child, just store gfx property and in update loop set its position and rotation.

Also need to handle bullet graphics.

Let's adjust the code. I'll edit again, but we need to replace several parts. Better to rewrite the whole script? But we can do incremental edits. Let's start with the create function where we create aliens and bullets. We'll change to create graphics separately and link them.

Also need to update the drawing functions to accept graphics and draw at (0,0) relative to graphics object, because we'll move the graphics object itself.

We'll also need to update the update function to sync graphics positions.

Let's do a series of edits.

First, edit the drawPlayer, drawAlien, drawBullet functions to draw at origin (0,0). They already do that because they use relative coordinates. Good.

Now edit the create function where we create alien: we need to create graphics, drawAlien, set its position to alien position, and store reference.

Similarly for bullets.

We'll also need to clean up graphics when alien/bullet destroyed. We can store graphics as a property and destroy it together.

Let's edit the script again, but we need to be careful about the size. I'll replace the whole script with a corrected version. Let's read the current script to see exactly what we have, then rewrite.

First, read the script section. Let's get the content from line where script starts to end. Let's read from line 100 to end. Use bash to get line numbers? Let's just read the whole file again and copy the script part. Let's read with offset maybe. Let's do a bash to get lines.

→ bash {"command":"grep -n \"<script>\" /tmp/ws/index.html"}

toolResult

152: <script>

assistant

thinking

Let's get line numbers of script start and end. Let's count lines. Let's write a quick python script to extract. But we can also just replace the whole script again with a corrected version. That's easier.

Let's create a new script with all fixes. I'll write it now.

But before that, let's test the current game in browser? We can't, but we can simulate by checking for errors. Let's quickly check if there are any obvious syntax errors. I'll run a quick node check? Might be heavy. Let's just rewrite.

I'll create a new script with proper graphics handling. Let's do it stepwise.

I'll create a new file with the script, then replace. Let's write the script in a separate file first for easier editing, then copy into index.html. Let's do that.

Create a temporary file: /tmp/ws/game.js. Then read it and replace.

Let's write the game.js.

→ write /tmp/ws/game.js (9775 bytes)

toolResult

Successfully wrote 9775 bytes to /tmp/ws/game.js

assistant

thinking

Now replace the script in index.html with this content. We'll read the exact old script block and replace. Let's get the exact lines again and replace. Use edit with oldText being the entire script block from "<script>" to "</script>" inclusive. Let's extract the exact old text from file. Let's read lines 152 to end. Let's do a bash to get line count and tail. Let's compute: let's write a small Python script, but easier: use sed to extract lines 152 to end. Let's do:

→ bash {"command":"sed -n '152,$p' /tmp/ws/index.html | head -n 200"}

toolResult

assistant

thinking

We need the whole script block. Let's get from line 152 to end of file. Let's count total lines:

→ bash {"command":"wc -l /tmp/ws/index.html"}

toolResult

481 /tmp/ws/index.html

assistant

thinking

So lines 152 to 481. Let's extract them exactly. Use sed to output lines 152-481. Let's capture into variable. Let's write a small script to get the exact old text. We'll do it with python but easier: use cat and tail/head. Let's do:

`tail -n +152 index.html > oldscript.txt`. Then we have the rest of file. That's the script block plus closing tags? Actually after script there is only </body></html>. That's fine.

Let's do that and then read the file. Let's do it in bash.

→ bash {"command":"tail -n +152 /tmp/ws/index.html > /tmp/ws/oldscript.txt"}

toolResult

(no output)

assistant

thinking

Now read that file to see its content.

→ read {"path":"/tmp/ws/oldscript.txt"}

toolResult

assistant

thinking

Great. So the old script block includes the entire script from line 152 to end of file. We need to replace from `<script>` to `</script>` but keep the closing body and html tags. Actually we can replace the entire oldscript.txt content with new script block plus the closing tags. Let's create new content: the script block (from game.js) plus `</body></html>`.

Let's read the game.js content and embed. We'll also need to ensure the script tag is exactly the same opening tag. We'll replace the entire block from `<script>` line to `</script>` line (including those lines). Let's find the exact oldText: from `    <script>` (including leading spaces) to `    </script>` (including leading spaces). Let's capture exactly with newline after script? We'll use the whole oldscript.txt but we need to keep the closing body and html tags after script. Actually oldscript.txt includes the script plus the two closing tags. We'll replace the entire oldscript.txt with new script plus those same closing tags.

Let's read the last two lines of oldscript.txt: they are `</body>` and `</html>`. Let's verify: we can tail -2. Let's do bash quickly. Let's compute: we'll write a small script to extract the closing tags. But we can just keep them as is: we'll replace the oldscript.txt content with new script plus `</body></html>`.

Let's get the new script content from game.js and prepend the indentation (4 spaces). We'll need to add the `<script>` and `</script>` lines as well. Actually we need to replace the script block inside the script tags, not the tags themselves. The oldscript.txt starts with `    <script>` and ends with `    </script>`. We'll keep those tags and replace everything between them (including the newline after opening tag and before closing tag). Let's produce new content: the same opening line, then new script lines, then closing line.

Let's construct new content string. We'll do it programmatically with edit. We'll create a variable with the new script content, then replace the old script block (from `<script>` to `</script>`). Let's write a new file with the entire HTML? That's heavy. Instead we'll do an edit with oldText being the entire oldscript.txt content (including script tags and closing body/html). That's safe because we know the exact content. We'll replace with new script block (including script tags) plus same closing body/html tags.

Let's read the game.js content and add indentation. Let's do in bash: `sed 's/^/        /' game.js` to add 8 spaces (two tabs?). Actually the script inside is indented with 8 spaces (two tabs). Let's check the existing indentation: each line inside script starts with 8 spaces. We'll replicate.

Let's generate new script lines with 8 spaces prefix. Let's do it with python quickly, but we can also do with bash and then embed into edit.

Let's write a small Node script to generate the replacement. But we can also just manually write the edit with the new script content we already have in game.js, but we need to add the script tags and indentation.

I'll write a new temporary file with the whole replacement, then read it and use edit. Let's do:

1. Create new file `newscript.txt` with:

```
    <script>
        // Phaser game configuration
        const config = {
            ...
        };
        ...
    </script>
</body>
</html>
```

We'll copy the game.js content and indent each line with 8 spaces. Let's do with bash: `cat game.js | sed 's/^/        /' > game_indented.js`. Then prepend "    <script>\n" and append "\n    </script>\n</body>\n</html>".

Let's do it step by step. First, create indented game.js.

→ bash {"command":"cd /tmp/ws && sed 's/^/ /' game.js > game_indented.js"}

toolResult

(no output)

assistant

thinking

Now create the full replacement. Let's write a small Python script. Let's do it in bash with cat.

`echo '    <script>' > newscript.txt`

`cat game_indented.js >> newscript.txt`

`echo '    </script>' >> newscript.txt`

`echo '</body>' >> newscript.txt`

`echo '</html>' >> newscript.txt`

Let's execute.

→ bash

{"command":"cd /tmp/ws && echo '    <script>' > newscript.txt && cat game_indented.js >> newscript.txt && echo '    </script>' >> newscript.

toolResult

(no output)

assistant

thinking

Now read newscript.txt to verify.

→ read {"path":"/tmp/ws/newscript.txt"}

toolResult

assistant

thinking

Great. Now we need to replace the oldscript.txt content in index.html with this new content. The oldscript.txt content starts at line 152 and continues to end of file. We'll replace from line 152 to end of file. We'll use edit with oldText being the entire oldscript.txt content (which we have). We'll need to match exactly including newline characters. We'll use the exact oldText we read earlier (the whole oldscript.txt). Let's capture it into a variable? We'll just use the oldText from the read earlier. We'll copy it exactly as string but we must be careful with newlines at end of file. The read gave us the exact text with newlines. We'll use that as oldText.

Let's write the edit now. We'll need to replace oldText with newText (the newscript.txt content). Let's read newscript.txt content as a string. Let's do bash to read file raw with cat and maybe escape newlines? We'll just use read with no offset/limit to get the whole file. Use read with limit large enough. Let's read newscript.txt.

→ read {"path":"/tmp/ws/newscript.txt"}

toolResult

assistant

thinking

Now we have oldText and newText. We'll apply edit. Let's do it. We'll need to ensure the oldText matches exactly. We'll use the entire oldscript.txt content as oldText. We'll copy it from the previous read (the whole oldscript.txt). We'll need to include the newline at end? The read output includes newline at end? It's fine.

Let's create the edit. We'll write oldText as a literal string but it's large. Better to read oldscript.txt content again and store as variable? We'll just use the exact string from the earlier read, but we need to be careful about escaping. Instead we can use edit with oldText being the entire oldscript.txt content we can get by reading the file again and using the raw string. Since we cannot pass variable, we'll rely on the exact match. Let's just use the exact text we saw earlier. However there may be hidden characters. Let's compute the length of oldscript.txt in bytes to ensure we match.

Let's do a quick check: `wc -c oldscript.txt`. Let's do.

→ bash {"command":"cd /tmp/ws && wc -c oldscript.txt"}

toolResult

11568 oldscript.txt

assistant

thinking

Now we need to ensure the oldText length matches. We'll use the exact content we read earlier (the whole output). We'll copy that into the edit. Since we cannot copy 11k characters manually, we'll use the edit tool with oldText read from file. But edit expects oldText as a parameter; we can read the file content and embed it as a string literal, but we must be careful about newline characters and escaping. The easiest is to replace the entire file from line 152 to end using a more precise method: we can replace the whole file from `<script>` to `</html>`? Actually we can replace from line 152 to end with new content. That's essentially replacing the tail.

We can use edit with oldText being the exact tail content (lines 152-481). We have that content in oldscript.txt. We'll read it as raw string and embed using JSON string escaping. We'll need to escape backslashes, quotes, newlines. That's tricky.

Better approach: we can rewrite the entire index.html with our new content, but we must keep the head and body up to line 151. Let's do that: we'll read the first 151 lines, then append our newscript.txt content. That's simpler. Let's do it with bash.

Let's get first 151 lines of index.html. Let's write a new file index_new.html.

`head -151 index.html > index_new.html`

`cat newscript.txt >> index_new.html`

Then replace index.html with index_new.html.

Let's do that.

→ bash {"command":"cd /tmp/ws && head -151 index.html > index_new.html && cat newscript.txt >> index_new.html"}

toolResult

(no output)

assistant

thinking

Now verify the new file length. Let's check line count.

→ bash {"command":"cd /tmp/ws && wc -l index_new.html"}

toolResult

498 index_new.html

assistant

thinking

Now replace index.html with index_new.html. We'll use write? Actually we can move file. Let's read index_new.html content and write to index.html. Let's read it first to ensure it's correct. Let's read first few lines.

→ read {"path":"/tmp/ws/index_new.html"}

toolResult

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Alien Shooter - Procedural Top-Down Shooter</title> <style> * { margin: 0; padding: 0; box-sizing: border-box; } body { background: #111; color: #eee; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100vh; overflow: hidden; } #gameContainer { width: 100%; max-width: 1000px; margin: 20px auto; text-align: center; } canvas { display: block; border: 2px solid #333; border-radius: 8px; background: #000; margin: 0 auto; } #ui { display: flex; justify-content: space-between; width: 100%; max-width: 1000px; margin-top: 20px; padding: 10px; background: #222; border-radius: 8px; } .ui-section { display: flex; flex-direction: column; align-items: center; padding: 0 20px; } .ui-title { font-size: 18px; color: #aaa; margin-bottom: 5px; } .ui-value { font-size: 28px; font-weight: bold; color: #fff; } #healthValue { color: #ff5555; } #scoreValue { color: #55ff55; } #waveValue { color: #5555ff; } #controls { margin-top: 20px; color: #aaa; font-size: 14px; line-height: 1.5; } #gameOver { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background: rgba(0, 0, 0, 0.9); color: white; padding: 40px; border-radius: 16px; text-align: center; display: none; z-index: 100; border: 2px solid #ff5555; } #gameOver h2 { font-size: 48px; color: #ff5555; margin-bottom: 20px; } #finalScore { font-size: 36px; color: #55ff55; margin: 20px 0; } button { background: #5555ff; color: white; border: none; padding: 15px 30px; font-size: 20px; border-radius: 8px; cursor: pointer; margin-top: 20px; transition: background 0.2s; } button:hover { background: #7777ff; } </style> </head> <body> <div id="gameContainer"> <canvas id="gameCanvas"></canvas> <div id="ui"> <div class="ui-section"> <div class="ui-title">HEALTH</div> <div id="healthValue" class="ui-value">100</div> </div> <div class="ui-section"> <div class="ui-title">SCORE</div> <div id="scoreValue" class="ui-value">0</div> </div> <div class="ui-section"> <div class="ui-title">WAVE</div> <div id="waveValue" class="ui-value">1</div> </div> <div class="ui-section"> <div class="ui-title">ALIENS LEFT</div> <div id="aliensValue" class="ui-value">0</div> </div> </div> <div id="controls"> <p><strong>WASD</strong> to move | <strong>Mouse</strong> to aim | <strong>Left Click</strong> to shoot</p> <p>Survive waves of aliens. Each wave increases alien speed and count. Don't let them touch you!</p> </div> </div> <div id="gameOver"> <h2>GAME OVER</h2> <p>You were overrun by aliens!</p> <div id="finalScore">Score: 0</div> <button onclick="restartGame()">PLAY AGAIN</button> </div> <script src="phaser.min.js"></script> <script> // Phaser game configuration const config = { type: Phaser.AUTO, width: 1000, height: 700, parent: 'gameContainer', canvas: document.getElementById('gameCanvas'), physics: { default: 'arcade', arcade: { gravity: { x: 0, y: 0 }, debug: false } }, scene: { preload: preload, create: create, update: update } }; // Game variables let game = new Phaser.Game(config); let player; let cursors; let mouse; let bullets; let aliens; let score = 0; let health = 100; let wave = 1; let aliensAlive = 0; let lastFireTime = 0; let fireRate = 300; // ms between shots let gameOver = false; let waveTimer = null; let alienSpeed = 80; let alienSpawnCount = 5; let graphics; // UI elements const healthText = document.getElementById('healthValue'); const scoreText = document.getElementById('scoreValue'); const waveText = document.getElementById('waveValue'); const aliensText = document.getElementById('aliensValue'); const gameOverScreen = document.getElementById('gameOver'); const finalScoreText = document.getElementById('finalScore'); function preload() { // No external assets, everything procedural } function create() { // Create graphics layer for drawing graphics = this.add.graphics(); // Create player (a triangle) player = this.add.graphics(); drawPlayer(player, 0x00aa00); player.x = config.width / 2; player.y = config.height / 2; this.physics.add.existing(player); player.body.setCircle(20); player.body.setCollideWorldBounds(true); // Bullets group bullets = this.physics.add.group({ defaultKey: null, createCallback: function(bullet) { bullet.body.setCircle(5); } }); // Aliens group aliens = this.physics.add.group({ defaultKey: null, createCallback: function(alien) { alien.body.setCircle(25); } }); // Collisions this.physics.add.overlap(bullets, aliens, bulletHitAlien, null, this); this.physics.add.overlap(player, aliens, playerHitAlien, null, this); // Input cursors = this.input.keyboard.createCursorKeys(); mouse = this.input.activePointer; this.input.keyboard.addKeys('W,A,S,D'); this.input.on('pointerdown', shoot, this); // Start first wave startWave(this); // Update UI updateUI(); } function update() { if (gameOver) return; // Player movement with WASD const speed = 200; const vel = { x: 0, y: 0 }; if (cursors.up.isDown || this.input.keyboard.addKeys('W').isDown) vel.y -= 1; if (cursors.down.isDown || this.input.keyboard.addKeys('S').isDown) vel.y += 1; if (cursors.left.isDown || this.input.keyboard.addKeys('A').isDown) vel.x -= 1; if (cursors.right.isDown || this.input.keyboard.addKeys('D').isDown) vel.x += 1; // Normalize diagonal if (vel.x !== 0 && vel.y !== 0) { vel.x *= 0.7071; vel.y *= 0.7071; } player.body.setVelocity(vel.x * speed, vel.y * speed); // Rotate player to face mouse const angle = Phaser.Math.Angle.Between(player.x, player.y, mouse.x + this.cameras.main.scrollX, mouse.y + this.cameras.main.scrollY); player.rotation = angle; // Update alien movement towards player aliens.getChildren().forEach(alien => { this.physics.moveToObject(alien, player, alienSpeed); // Rotate alien to face direction of movement if (alien.body.velocity.x !== 0 || alien.body.velocity.y !== 0) { alien.rotation = Phaser.Math.Angle.Between(0, 0, alien.body.velocity.x, alien.body.velocity.y); } // Sync graphics position if (alien.gfx) { alien.gfx.x = alien.x; alien.gfx.y = alien.y; alien.gfx.rotation = alien.rotation; } }); // Update bullet graphics positions bullets.getChildren().forEach(bullet => { if (bullet.gfx) { bullet.gfx.x = bullet.x; bullet.gfx.y = bullet.y; bullet.gfx.rotation = bullet.rotation; } // Clean up bullets off screen if (bullet.x < -50 || bullet.x > config.width + 50 || bullet.y < -50 || bullet.y > config.height + 50) { if (bullet.gfx) bullet.gfx.destroy(); bullet.destroy(); } }); // Update aliens alive count aliensAlive = aliens.getChildren().length; if (aliensAlive === 0 && !waveTimer) { // Wave cleared, start next wave after a delay waveTimer = this.time.delayedCall(2000, () => { wave++; alienSpeed += 10; alienSpawnCount += 3; startWave(this); waveTimer = null; }, [], this); } updateUI(); } function drawPlayer(gfx, color) { gfx.clear(); gfx.fillStyle(color, 1); gfx.lineStyle(2, 0xffffff, 1); // Draw a triangle pointing up gfx.beginPath(); gfx.moveTo(0, -20); gfx.lineTo(-15, 15); gfx.lineTo(15, 15); gfx.closePath(); gfx.fillPath(); gfx.strokePath(); } function drawAlien(gfx, color) { gfx.clear(); gfx.fillStyle(color, 1); gfx.lineStyle(2, 0xffaa00, 1); // Draw a spiky alien shape (a hexagon with spikes) gfx.beginPath(); gfx.moveTo(0, -25); gfx.lineTo(-10, -10); gfx.lineTo(-25, -5); gfx.lineTo(-15, 10); gfx.lineTo(-10, 25); gfx.lineTo(10, 25); gfx.lineTo(15, 10); gfx.lineTo(25, -5); gfx.lineTo(10, -10); gfx.closePath(); gfx.fillPath(); gfx.strokePath(); } function drawBullet(gfx, color) { gfx.clear(); gfx.fillStyle(color, 1); gfx.lineStyle(1, 0xffff00, 1); gfx.fillCircle(0, 0, 5); gfx.strokeCircle(0, 0, 5); } function shoot() { if (gameOver) return; const now = Date.now(); if (now - lastFireTime < fireRate) return; lastFireTime = now; const bullet = bullets.create(player.x, player.y); if (!bullet) return; // Create graphics for bullet const bulletGfx = this.add.graphics(); drawBullet(bulletGfx, 0xffff00); bullet.gfx = bulletGfx; bulletGfx.x = bullet.x; bulletGfx.y = bullet.y; // Shoot towards mouse const angle = Phaser.Math.Angle.Between(player.x, player.y, mouse.x + this.cameras.main.scrollX, mouse.y + this.cameras.main.scrollY); const speed = 400; this.physics.velocityFromRotation(angle, speed, bullet.body.velocity); bullet.rotation = angle; bulletGfx.rotation = angle; } function bulletHitAlien(bullet, alien) { // Create explosion effect createExplosion(bullet.scene, alien.x, alien.y); // Remove bullet and alien graphics if (bullet.gfx) bullet.gfx.destroy(); if (alien.gfx) alien.gfx.destroy(); bullet.destroy(); alien.destroy(); // Increase score score += 10; aliensAlive--; updateUI(); } function playerHitAlien(player, alien) { if (gameOver) return; // Damage player health -= 10; if (health <= 0) { health = 0; gameOver = true; showGameOver(); } // Create explosion on player createExplosion(this, player.x, player.y, 0xff5555); // Remove alien graphics if (alien.gfx) alien.gfx.destroy(); alien.destroy(); aliensAlive--; updateUI(); } function createExplosion(scene, x, y, color = 0xffaa00) { const particles = scene.add.graphics(); particles.fillStyle(color, 1); for (let i = 0; i < 10; i++) { const angle = Math.random() * Math.PI * 2; const dist = Math.random() * 30; const size = Math.random() * 8 + 4; particles.fillCircle(x + Math.cos(angle) * dist, y + Math.sin(angle) * dist, size); } scene.time.delayedCall(300, () => particles.destroy()); } function startWave(scene) { // Spawn aliens around the edges for (let i = 0; i < alienSpawnCount; i++) { let side = Phaser.Math.Between(0, 3); let x, y; switch (side) { case 0: // top x = Phaser.Math.Between(0, config.width); y = -50; break; case 1: // right x = config.width + 50; y = Phaser.Math.Between(0, config.height); break; case 2: // bottom x = Phaser.Math.Between(0, config.width); y = config.height + 50; break; case 3: // left x = -50; y = Phaser.Math.Between(0, config.height); break; } const alien = aliens.create(x, y); if (!alien) continue; const alienGfx = scene.add.graphics(); drawAlien(alienGfx, 0xaa00aa); alien.gfx = alienGfx; alienGfx.x = alien.x; alienGfx.y = alien.y; alien.body.setVelocity(0); } aliensAlive = aliens.getChildren().length; updateUI(); } function updateUI() { healthText.textContent = health; scoreText.textContent = score; waveText.textContent = wave; aliensText.textContent = aliensAlive; } function showGameOver() { finalScoreText.textContent = `Score: ${score}`; gameOverScreen.style.display = 'block'; } function restartGame() { gameOverScreen.style.display = 'none'; // Reset game state score = 0; health = 100; wave = 1; aliensAlive = 0; alienSpeed = 80; alienSpawnCount = 5; gameOver = false; // Clear all objects bullets.clear(true, true); aliens.clear(true, true); // Reset player position player.x = config.width / 2; player.y = config.height / 2; player.body.setVelocity(0); // Start wave if (waveTimer) waveTimer.remove(); waveTimer = null; startWave(game.scene.scenes[0]); updateUI(); } </script> </body> </html>

assistant

thinking

Looks good. Now we need to replace the original index.html with this new content. Let's write it.

→ write /tmp/ws/index.html (16931 bytes)

toolResult

Successfully wrote 16931 bytes to /tmp/ws/index.html

assistant

thinking

Great. Now we have a single self-contained HTML file with all CSS and JS, using Phaser from the local file. Let's test quickly if there are any obvious syntax errors. We'll run a quick node syntax check by loading the script as a module? Not needed.

Now we should also ensure the game works as expected. There may be some bugs: the player is a graphics object with physics added, but we also have a separate graphics layer (graphics) that's unused. That's fine.

One issue: we are using `this.input.keyboard.addKeys('W,A,S,D')` but we are not storing the result; we need to store it to check key states. Actually we are using `this.input.keyboard.addKeys('W,A,S,D')` each frame, which returns an object, but we are not storing it. That's inefficient but okay. However we need to check the keys correctly. Let's store the keys object in create.

We'll adjust: create a variable `keys` and assign `this.input.keyboard.addKeys('W,A,S,D')`. Then in update, check `keys.W.isDown` etc.

Also we need to handle the cursor keys vs WASD: we already have cursors for arrow keys. We'll keep both.

Let's edit the script to fix that. Also we need to ensure the player graphics rotation is correct (triangle pointing up). The drawPlayer draws a triangle pointing up (0, -20) as tip. That's fine.

Now we need to also ensure aliens graphics are destroyed when aliens are cleared (in restart). We already call `aliens.clear(true, true)` which should destroy the alien objects and their graphics? Actually the graphics are separate objects not part of the group; they are added to scene as separate graphics. We need to destroy them as well. We'll need to iterate over aliens and destroy graphics before clear. Let's adjust restartGame to destroy graphics.

We'll also need to destroy bullet graphics similarly.

Let's make a few edits. Instead of rewriting the whole script again, we can make targeted edits. Let's read the script section again and identify lines to change.

We'll edit the create function to store keys. We'll also edit update to use stored keys. We'll edit restartGame to clear graphics.

Let's do multiple edits in one edit call. We'll need to find exact old text for each section.

Let's first read the script part again to get exact strings. We'll open the file and search for the lines. Let's use bash to extract lines containing specific patterns. But we can do manual editing with careful oldText.

We'll do three separate edits for simplicity, but we can combine.

Let's start with create function: locate the line after input keyboard addKeys. We'll change that block.

Let's read lines around create function. Let's write a quick python script to locate. But we can do with bash:

`grep -n "this.input.keyboard.addKeys" index.html`

Let's do.

→ bash {"command":"cd /tmp/ws && grep -n \"this.input.keyboard.addKeys\" index.html"}

toolResult

241: this.input.keyboard.addKeys('W,A,S,D'); 257: if (cursors.up.isDown || this.input.keyboard.addKeys('W').isDown) vel.y -= 1; 258: if (cursors.down.isDown || this.input.keyboard.addKeys('S').isDown) vel.y += 1; 259: if (cursors.left.isDown || this.input.keyboard.addKeys('A').isDown) vel.x -= 1; 260: if (cursors.right.isDown || this.input.keyboard.addKeys('D').isDown) vel.x += 1;

assistant

thinking

We need to store keys at line 241. Let's see the surrounding lines. Let's view lines 235-250. Let's read the file with sed. Let's do:

→ bash {"command":"cd /tmp/ws && sed -n '235,250p' index.html"}

toolResult

this.physics.add.overlap(bullets, aliens, bulletHitAlien, null, this); this.physics.add.overlap(player, aliens, playerHitAlien, null, this); // Input cursors = this.input.keyboard.createCursorKeys(); mouse = this.input.activePointer; this.input.keyboard.addKeys('W,A,S,D'); this.input.on('pointerdown', shoot, this); // Start first wave startWave(this); // Update UI updateUI(); }

assistant

thinking

We'll replace the line `this.input.keyboard.addKeys('W,A,S,D');` with `keys = this.input.keyboard.addKeys('W,A,S,D');` and declare keys variable at top of script. Let's add `let keys;` near other game variables. We'll also need to add keys to the global scope (or at least accessible in update). We'll add `let keys;` after `let graphics;`.

Let's find the line where graphics is declared. Let's search for `let graphics;`.

→ bash {"command":"cd /tmp/ws && grep -n \"let graphics\" index.html"}

toolResult

191: let graphics; 287: // Update bullet graphics positions

assistant

thinking

We'll add after line 191. Let's edit.

First edit: add `let keys;` after graphics. Let's locate the exact line numbers. We'll read a block around line 180-200 to get context. Let's do:

→ read {"path":"/tmp/ws/index.html","offset":180,"limit":30}

toolResult

let aliens; let score = 0; let health = 100; let wave = 1; let aliensAlive = 0; let lastFireTime = 0; let fireRate = 300; // ms between shots let gameOver = false; let waveTimer = null; let alienSpeed = 80; let alienSpawnCount = 5; let graphics; // UI elements const healthText = document.getElementById('healthValue'); const scoreText = document.getElementById('scoreValue'); const waveText = document.getElementById('waveValue'); const aliensText = document.getElementById('aliensValue'); const gameOverScreen = document.getElementById('gameOver'); const finalScoreText = document.getElementById('finalScore'); function preload() { // No external assets, everything procedural } function create() { // Create graphics layer for drawing graphics = this.add.graphics(); // Create player (a triangle) [290 more lines in file. Use offset=210 to continue.]

assistant

thinking

We'll add `let keys;` after `let graphics;`. Let's do edit.

→ edit

{"edits":[{"newText":"        let alienSpawnCount = 5;\n        let graphics;\n        let keys;","oldText":"        let alienSpawnCount = 5

toolResult

Successfully replaced 1 block(s) in /tmp/ws/index.html.

assistant

thinking

Now edit the create function to store keys. Replace the line `this.input.keyboard.addKeys('W,A,S,D');` with `keys = this.input.keyboard.addKeys('W,A,S,D');`. Let's locate the exact line again and replace. Let's get the exact line with surrounding context to ensure uniqueness. We'll replace the whole block from "// Input" to the line before "this.input.on". Let's do a more precise replacement: replace the line exactly. Let's find the exact line with indentation (12 spaces?). Let's capture the line: "            this.input.keyboard.addKeys('W,A,S,D');". We'll replace with "            keys = this.input.keyboard.addKeys('W,A,S,D');". Let's do edit.

→ edit

{"edits":[{"oldText":"            this.input.keyboard.addKeys('W,A,S,D');","newText":"            keys = this.input.keyboard.addKeys('W,A,S,

toolResult

Successfully replaced 1 block(s) in /tmp/ws/index.html.

assistant

thinking

Now edit the update function to use keys instead of calling addKeys each frame. We'll replace the four lines that reference `this.input.keyboard.addKeys`. Let's replace each line individually. We'll do one edit with multiple replacements.

First, find the exact lines:

`if (cursors.up.isDown || this.input.keyboard.addKeys('W').isDown) vel.y -= 1;`

`if (cursors.down.isDown || this.input.keyboard.addKeys('S').isDown) vel.y += 1;`

`if (cursors.left.isDown || this.input.keyboard.addKeys('A').isDown) vel.x -= 1;`

`if (cursors.right.isDown || this.input.keyboard.addKeys('D').isDown) vel.x += 1;`

We'll change each to use `keys.W.isDown` etc.

Let's create a single edit with four replacements. We'll ensure each oldText is unique. They are unique due to the letter difference. Let's do.

We'll also need to ensure we don't break anything else. Let's write the edit.

→ edit

{"edits":[{"newText":"            if (cursors.up.isDown || keys.W.isDown) vel.y -= 1;","oldText":"            if (cursors.up.isDown || this.

toolResult

Successfully replaced 4 block(s) in /tmp/ws/index.html.

assistant

thinking

Now we need to fix restartGame to destroy alien and bullet graphics before clearing groups. Let's locate the restartGame function. Let's search for "function restartGame".

→ bash {"command":"cd /tmp/ws && grep -n \"function restartGame\" index.html"}

toolResult

475: function restartGame() {

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

modeldeepseek-chat-v3.1

vendorDeepSeek

harnesspi-agent

generated2026-08-01

EVALUATION

★★★★★ 1/5 broken

Only a black canvas with static UI (health/score/wave) shows; Phaser failed to init due to a JS error, no game visible.

off-prompt

Vision grade · anthropic/claude-sonnet-5

MEASUREMENTS

Raw readings from the capture, not a verdict — the grade above is the only judgement. Percentages are how much of the screen changed; the measure under-reports sparse motion on a dark background.

idle motion0.0%

on click0.0%

on drag0.3%

on wheel0.0%

on enter + space0.0%

on arrow keys0.0%

on w/a/s/d0.0%

frame spread9.5 / 255

console errors0

js errors

Must set explicit renderType in custom environment

METRICS

runtime599.6s

tokens in543k

tokens out17k

cached393k

cost / run$0.1050