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This is the model's original HTML output. Its own controls are inside the frame.
Scorecard25 pts
Total
23.5 out of 25
Motion check
- Wheels rotate
- Yes
- Crank rotates
- Yes
- Feet track pedals
- Yes
- Scene moves
- Yes
Verdict
The only entry that actually solves the pedal problem. The pelican's feet are driven by inverse kinematics and stay locked to the crank; the wing holds the handlebar; wheel and crank rotation are derived from distance travelled. It also ships a real control panel: pause, speed slider, bell and spacebar. The art is cheerful rather than beautiful, and the body occasionally hides the hip, but as an animation system this is the most complete run.
What works
- Inverse-kinematics legs keep both feet on the pedals through the full cycle.
- Wheel and crank speed are tied to distance, not eyeballed.
- Complete bicycle plus a control panel: pause, speed, bell, spacebar.
What breaks
- The body sometimes covers the hip, making the legs look shorter than they are.
- Cheerful stock-cartoon art rather than a distinctive scene.
- No explicit contact shadow between saddle and body.
Spec
- Vendor
- ByteDance
- Access
- Consumer client, zero-shot
- Tested
- 2026-10-27
- Controls
- Pause, speed, bell
- File
- doubao-2-1-pro.html · 28.1 KB
- Rank
- 1 / 8
Editorial score, one run. The full rubric is in the methodology.