Reference · Journey mode: transfers, launch windows and flip-and-burn trips
ignitionfunction
The ignition count: IGNITION IN 3, 2, 1, then 0 from lift-off, with how far round the ring dial has gone.
Import it
import { ignition } from "@johnmorrisdotca/uchusen-rockets/journey";Definition
function ignition(missionS: number): { count: number; ring: number; }Parameters
| Name | Type | Description |
|---|---|---|
missionS | number | Mission seconds from lift-off (negative before). |
Returns
{ count: number; ring: number; }
The number to show (3, 2, 1 or 0) and the ring's sweep (0 to 1).
Examples
import { ignition } from "@johnmorrisdotca/uchusen-rockets/journey";
console.log(ignition(-2.2), ignition(0));{ count: 3, ring: 0.2666666666666666 } { count: 0, ring: 1 }What it prints (run when this page was built)