Brick breaker · gpt-oss-20b
Using the pre-provided phaser.min.js (global Phaser), build a playable brick-breaker game with a paddle (arrow keys or mouse), a bouncing ball, and a wall of breakable bricks with a score. Use ONLY procedurally generated graphics via the Phaser Graphics API or generated textures — no external image or audio assets whatsoever.
transcript · 6 messages
Using the pre-provided phaser.min.js (global Phaser), build a playable brick-breaker game with a paddle (arrow keys or mouse), a bouncing ball, and a wall of breakable bricks with a score. Use ONLY procedurally generated graphics via the Phaser Graphics API or generated textures — no external image or audio assets whatsoever.
thinking
We need to create index.html with the entire game. Must load phaser.min.js file; it's present in directory. Steps: use bash to list files.
{"command":"ls -la","timeout":5}total 2116 drwxrwxrwx 3 node node 96 Jul 22 17:32 . drwxr-xr-x 1 root root 4096 Jul 22 17:32 .. -rw-r--r-- 1 node node 1181917 Jul 22 17:32 phaser.min.js
thinking
Now need to write index.html. Should contain <script src="phaser.min.js"></script> then script to create game. Use code to create canvas, set up physics, create graphics. No external assets. We'll use Phaser's graphics to draw rectangles textures. For bricks, create an array of bricks or a group. For paddle, use rectangle. For ball, circle. Use simple physics. We'll need to generate textures using Phaser's BitmapTexture. But simpler: use built-in physics bodies from shapes: we can use the built-in shape of rectangle and circle directly with Arcade physics. But need visuals, we can draw with graphics each frame or better pre-render a texture.
We'll create paddle texture using graphics: create a graphics, fill with color, generate texture name 'paddle', then use sprite. Similarly for ball 'ball', for brick 'brick'. Use color styling.
Set score text.
Arrows/mouse: use pointer movement to set paddle x, clamp. Or use cursor keys: left/right arrow.
Ball bounce: simple Arcade physics bounce with restitution.
Break bricks: group, set 'brick' sprites with setData('score') or setScale. On collision, destroy brick, add score.
Game scale 800x600.
Let's craft the html.
We'll produce file content via write.index.html (2943 bytes)Successfully wrote 2943 bytes to index.html
thinking
Check if any syntax issues. In brick loop: x calculation wrong maybe double pad. Let's keep simple using offsetX + j*(80+padX). correct.
Also brush of generate texture: gfx.generateTexture('paddle', 120, 20); need to f. similar.
Also ball bounce? setBounce(1,1) good.
Collision with world bounds: ball.setCollideWorldBounds(true, 1, 1). In Phaser 3, the second argument is bounceX? Actually signature: setCollideWorldBounds(value, collideX, collideY). Use true. setBounce(1). So fine.
Also pointer event: we used this.input active pointer, clamp within world bounds edges. Ensure paddle width 120, so boundaries 60 and 740.
But we set paddle x can be set to pointer.x; clamp. Works.
Make sure ball resets after losing: we check ball.y>600. Good.
We need to import array tests? Use arcade physics.
Also need world boundaries to clamp paddle movement; setCollideWorldBounds true already.
Everything good.
Let's run tests by reading index.html to ensure no errors. But might need to create bricks coordinate. Not perfect but fine.
Edge: bricks positions: we computed offsetX + j * (80 + padX) + j*padX double. Should change to offsetX + j * (80 + padX). Let's update.
Also rows of 5, cols 10; we set 6. Good.
Also group static group: need to call bricks.setScale? Not needed.
Also ball bounce off walls: need to set ball.setCollideWorldBounds(true); ball.setBounce(1); Already fine.
Potential bug: ball.setVelocity(200,-200) will bounce. ball's velocity in Y may be 0? Good.
Let's patch.
{"path":"index.html","edits":[{"oldText":" for(let i=0;i<rows;i++){\n for(let j=0;j<cols;j++){\n const x = offsetX + j * (80 + padX) + j*padX;\n const y = offsetY + i * (30 + padY) + i*padY;\n const brick = bricks.create(x, y, 'brick');\n brick.setData('score', 10);\n }\n }","newText":" for(let i=0;i<rows;i++){\n for(let j=0;j<cols;j++){\n const x = offsetX + j * (80 + padX);\n const y = offsetY + i * (30 + padY);\n const brick = bricks.create(x, y, 'brick');\n brick.setData('score', 10);\n }\n }"}]})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
EVALUATION
Brick breaker renders with paddle, ball, bricks, but score shows NaN and bricks vanish rapidly, breaking the game logic.
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.