> For the complete documentation index, see [llms.txt](https://gokiburi.gitbook.io/gokiburi-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gokiburi.gitbook.io/gokiburi-docs/traits-and-motion.md).

# Traits & Motion

Common specimens are assembled from a compact deterministic genome. The token ID is hashed with the current genome namespace, and each trait is selected from a fixed set.

![Common on-chain specimen](/files/VMZiVq4F8vVlWUji7ESZ)

## Visible trait groups

| Trait           | Current values                                                                  |
| --------------- | ------------------------------------------------------------------------------- |
| Body            | Standard, Thick, Slim, Long, Round, Small, Large                                |
| Antenna         | Long Curved, Wide Curved, Short, Left Broken, Right Broken                      |
| Legs            | Natural, Wide Stance, Tucked, Missing Left Middle, Missing Right Middle         |
| Leg Speed       | Slow, Fast, Triple Fast                                                         |
| Wing            | Subtle Three, Subtle Two, Center Thin, Minimal, Cracked, Damaged, No Wing Lines |
| Back Pattern    | Plain, Winged, Short Wing, Constellation                                        |
| Eyes            | Tiny, Dot, None, Uneven                                                         |
| Condition       | Clean, Dusty, Burned                                                            |
| Animation       | Static, Legs, Antenna, Both                                                     |
| Brood           | None, Ootheca                                                                   |
| Abdomen Tip     | Blunt, Pointed, Split                                                           |
| Antenna Posture | Alert, Dragging                                                                 |
| Leg Orientation | Neutral, Forward Splayed, Rear Splayed                                          |
| Molting State   | Normal, Shedding                                                                |

## Motion distribution

Animation is deterministic and currently distributed as follows:

* Static: 55%
* Legs: 20%
* Antenna: 15%
* Both: 10%

## Leg Speed

Leg Speed changes the gait timing without changing ownership or metadata permanence.

* **Slow:** approximately `0.22s`
* **Fast:** approximately `0.11s`
* **Triple Fast:** approximately `0.07s`, with cross-paired middle and back legs drifting between `0.08s` and `0.09s`

The animation uses abrupt stepped movement and uneven phase offsets. It is intended to feel biological, not like a perfectly looping machine.

## Determinism

Traits are not fetched from an off-chain trait server. The `RoachGenome` library derives them from the token ID, making the visible specimen reproducible from contract logic.


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