gistfile1.txt

use { Vessel } from ksp::vessel
use { CONSOLE } from ksp::console
use { sleep } from ksp::game
use { GlobalDirection, Vec3, vec3 } from ksp::math
use { acos_deg, atan2_deg } from core::math
use { angle_to_360, angle_to_180 } from std::utils

pub fn main_flight(vessel: Vessel) -> Result<Unit, string> = {
    CONSOLE.clear()
    for(i in 0..100) {
        CONSOLE.print_at(1, 0, navball(vessel).to_fixed(2))
        sleep(0.5)
    }
}

sync fn navball(vessel: Vessel) -> Vec3 = {
    let roll = 90.0 - acos_deg(vessel.up * vessel.facing.right_vector)
    const up_angles = acos_deg(vessel.up * vessel.facing.up_vector)
    
    if (up_angles > 90) roll = 180 - roll

    const yaw = atan2_deg(vessel.east *  vessel.facing.vector, vessel.north * vessel.facing.vector)
    const pitch = 90 - acos_deg(vessel.up * vessel.facing.vector)

    vec3(pitch, angle_to_360(yaw), angle_to_180(roll))
}