Rotating icosahedron · gpt-oss-120b
Output generated Cost / run $0.0017 Runtime 79.1s
Prompt for this run
Build a full-screen 3D scene featuring a rotating icosahedron using the provided Three.js library. 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. Use the provided `three.min.js` (global `THREE`) through a plain local script tag; the runner will inline it into the final artifact. Required behavior: - Show an icosahedron centered in view, with a material that visibly responds to two point lights of different colors. - Rotate the object continuously about at least two axes. Independently move the camera slowly around the object while keeping it in view. - Add a subtle procedural starfield behind the object. Keep lights, object, and stars distinguishable without external textures. - Provide Pause/Resume and Reset. Pause freezes both object and camera animation; Reset restores their initial transforms. - Resize the renderer and camera aspect ratio to the viewport. Use only the provided core global THREE library, without additional controls or postprocessing addons. Verify: Sample several moments to inspect the object orientation, camera movement, and colored lighting. Pause and check that both motions freeze, then reset and compare the object and camera with their initial poses.
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 · 23 messages
Build a full-screen 3D scene featuring a rotating icosahedron using the provided Three.js library. 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. Use the provided `three.min.js` (global `THREE`) through a plain local script tag; the runner will inline it into the final artifact. Required behavior: - Show an icosahedron centered in view, with a material that visibly responds to two point lights of different colors. - Rotate the object continuously about at least two axes. Independently move the camera slowly around the object while keeping it in view. - Add a subtle procedural starfield behind the object. Keep lights, object, and stars distinguishable without external textures. - Provide Pause/Resume and Reset. Pause freezes both object and camera animation; Reset restores their initial transforms. - Resize the renderer and camera aspect ratio to the viewport. Use only the provided core global THREE library, without additional controls or postprocessing addons. Verify: Sample several moments to inspect the object orientation, camera movement, and colored lighting. Pause and check that both motions freeze, then reset and compare the object and camera with their initial poses.
thinking
We need to create index.html with Three.js script tag local. Provide rotating icosahedron, two point lights, starfield using points geometry maybe. Pause/Resume, Reset buttons. We will need to verify behavior using browser tool. We'll write index.html then run browser to inspect. Let's write minimal HTML. We'll need to embed three.min.js - it's present in cwd. Use <script src="three.min.js"></script>. Then our script. Implement variables for rotation speed, camera angle, animation loop. Use requestAnimationFrame. Camera orbit: maybe use polar coordinates around Y axis. Starfield: create many points with random positions far away, small white material. Pause/resume: toggle a boolean paused; when paused, we skip updating rotation and camera. Reset: set rotation to 0, camera angle to start. Add event listeners to buttons. Responsive resize: on window resize, update renderer size and camera aspect. Let's implement. After writing, we need to run browser.
index.html (3614 bytes)Successfully wrote to index.html
thinking
Now verify via browser.
{"action":"load","url":"index.html"}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": "load", "url": "index.html" }
thinking
The browser tool expects specific actions like 'screenshot', 'click', 'type', 'wait', etc. Need to load page then interact. Probably load via action: "goto" with url. Let's try.
{"action":"goto","url":"index.html"}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": "goto", "url": "index.html" }
thinking
We need to read docs about browser tool to know actions. Probably action is something like "screenshot", "click", "type", "move", "scroll". Not sure. But perhaps we can use "load" to load page? The earlier description said "Run index.html, inspect DOM/console, interact, and see screenshots or motion frames. Reload after editing." Maybe action is something like "load" but not accepted? Actually validation said must be equal to constant; likely there is an enum of actions. Let's try "load" maybe not allowed. Search docs? Use read on README?
{"command":"ls -R"}.: index.html three.min.js
thinking
We need docs for browser tool. Maybe earlier spec: "Run index.html, inspect DOM/console, interact, and see screenshots or motion frames. Reload after editing. Coordinates use a 1200×800 viewport." Not details. Try action "screenshot". Probably loads page automatically then screenshot. Let's try screenshot without url, maybe defaults to index.html? Try.
{"action":"screenshot"}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing.","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels"],"dom":"Pause Reset","images":"model does not support images"}
thinking
The screenshot tool returned console and DOM. No image due to capability, but we have console warnings, and DOM shows "Pause Reset" (buttons). Good. We need to test pause/resume and reset. Use action "click". Probably we need coordinates or selector. Try click element by text? Maybe "click" with selector. Let's attempt click with selector "#pauseBtn".
{"action":"click","selector":"#pauseBtn"}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing.","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels (this message will no longer repeat)"],"dom":"Pause Reset","images":"model does not support images"}
thinking
Now paused is true; we need verify that animation froze. No visual but we can check console maybe? Not. We can wait some time and ensure title unchanged. Use wait action perhaps. Let's try wait 500ms.</think>
{"action":"wait","ms":500}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": "wait", "ms": 500 }
thinking
We need to know allowed actions. Let's list possible actions: maybe "screenshot", "click", "type", "move", "scroll". Wait may be "pause"? Let's try "sleep"? Unclear. We could simply take another screenshot and see if DOM changed? The pause button text changes to "Resume". Let's screenshot again.
{"action":"screenshot"}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing.","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels (this message will no longer repeat)"],"dom":"Pause Reset","images":"model does not support images"}
thinking
The DOM didn't change; button text is still "Pause". So clicking didn't toggle? Perhaps selector wrong; id is pauseBtn; but click maybe expects coordinates not selector. Could be need to specify x,y. Let's attempt click at location of button. Approx button at top left; coordinates maybe (50,20). Use click action with x,y.
{"action":"click","x":50,"y":20}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing.","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels (this message will no longer repeat)"],"dom":"Resume Reset","images":"model does not support images"}
thinking
Now button text changed to "Resume". Good. So paused. Now verify that motion stopped. Hard to see without visual but we can check that after clicking again (resume) button returns to Pause. Let's click again at same location.
{"action":"click","x":50,"y":20}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing.","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels","warning: [.WebGL-0x12040017c800]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels (this message will no longer repeat)"],"dom":"Pause Reset","images":"model does not support images"}
thinking
Now resumed. Now test reset button: click reset at coordinates maybe near 120? Let's approximate second button at x=120,y=20.