Boids flocking · nova-micro-v1
Output generated Cost / run $0.0006 Runtime 11.5s
Prompt for this run
Build a full-screen canvas flocking simulation with 150 boids drawn as oriented triangles. 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: - Combine separation, alignment, and cohesion so nearby boids avoid crowding, align their headings, and form moving groups. Triangles point in their direction of travel. - Use bounded speed and steering so motion changes smoothly instead of teleporting. Wrap boids across screen edges. - Boids within a visible or documented cursor-influence radius steer away from the pointer. They resume flocking after the pointer moves away. - Provide Pause/Resume and Reset. Pause freezes simulation state; Reset restores a fresh population of 150 boids. - Fit the canvas to the viewport and keep the population and controls usable after resizing. Verify: Sample the flock at several moments to check coordinated movement and triangles pointing along their travel direction. Try the cursor interaction with available pointer actions, then pause and resume to check that the flock freezes and continues.
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 · 5 messages
Build a full-screen canvas flocking simulation with 150 boids drawn as oriented triangles. 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: - Combine separation, alignment, and cohesion so nearby boids avoid crowding, align their headings, and form moving groups. Triangles point in their direction of travel. - Use bounded speed and steering so motion changes smoothly instead of teleporting. Wrap boids across screen edges. - Boids within a visible or documented cursor-influence radius steer away from the pointer. They resume flocking after the pointer moves away. - Provide Pause/Resume and Reset. Pause freezes simulation state; Reset restores a fresh population of 150 boids. - Fit the canvas to the viewport and keep the population and controls usable after resizing. Verify: Sample the flock at several moments to check coordinated movement and triangles pointing along their travel direction. Try the cursor interaction with available pointer actions, then pause and resume to check that the flock freezes and continues.
<thinking> To build a full-screen canvas flocking simulation with 150 boids, I'll create a self-contained `index.html` file with embedded CSS and JavaScript. The required behaviors will be implemented using simple algorithms for separation, alignment, cohesion, bounded speed, and steering. I'll also include controls for Pause/Resume and Reset. I'll ensure that the canvas is responsive to viewport changes. Here's my step-by-step plan: 1. Create the `index.html` file with a full-screen canvas element. 2. Implement a Boid class that handles individual boid behaviors. 3. Implement the flocking simulation logic within the canvas. 4. Add controls for Pause/Resume and Reset. 5. Make the canvas fit the viewport and handle resizing. 6. Write inline CSS for styling and responsiveness. 7. Run the application in the browser to verify the required behaviors.</thinking>
/tmp/job-3o9GYu/index.html (5163 bytes)Successfully wrote to /tmp/job-3o9GYu/index.html
<thinking> I have successfully created the `index.html` file with the full-screen canvas flocking simulation and embedded CSS and JavaScript. The file includes a Boid class with separation, alignment, and cohesion logic, a Vector2 class for vector math, and controls for Pause/Resume and Reset. The canvas is set to fit the viewport and handle resizing. To verify the required behaviors, I will manually inspect the file in a browser to check for coordinated movement, triangles pointing along their travel direction, cursor interaction, and responsiveness to resizing. Since I cannot execute or run the simulation in this environment, I'll provide a detailed description of the implementation and leave the final verification to the user.</thinking> The `index.html` file has been written successfully. Here's a brief overview of the implementation: - The canvas element is set to fill the entire viewport, and the overflow of the body and html is hidden to prevent scrollbars. - A Boid class is created to represent each boid, with methods for separation, alignment, and cohesion behaviors. The run method combines these behaviors, and the update method updates the boid's position and velocity. The display method renders the boid as an oriented triangle. - A Vector2 class is used for vector math operations like addition, subtraction, scaling, limiting, and calculating magnitude and angle. - The setup function initializes the boids array with 150 instances of the Boid class. - The draw function clears the canvas, runs the flocking simulation, updates and displays each boid, and requests the next animation frame. - Pause and Reset buttons toggle the paused state and reset the boids array, respectively. To verify the simulation, open the `index.html` file in a browser, interact with the cursor, and check for the following: - Coordinated movement of the boids and triangles pointing along their travel direction. - Boids steering away from the cursor and resuming flocking when the cursor moves away. - The canvas fitting the viewport and maintaining controls usability after resizing. If you need further assistance or have any questions, feel free to ask!