Struct DayNightCycle 

pub struct DayNightCycle {
    pub time_of_day: f32,
    pub day_duration: f32,
    pub day_count: u32,
    pub speed: f32,
    pub paused: bool,
}

Full day/night cycle state.

Fields

time_of_day: f32

Time of day in range [0, 1) — 0=midnight, 0.25=6am, 0.5=noon, 0.75=6pm.

day_duration: f32

Duration of a full day in real seconds.

day_count: u32

Current day number.

speed: f32

Speed multiplier (1.0 = real-time).

paused: bool

Implementations

impl DayNightCycle

pub fn new(day_duration: f32) -> Self

pub fn tick(&mut self, dt: f32)

pub fn hour(&self) -> f32

Hours since midnight (0–24).

pub fn is_daytime(&self) -> bool

pub fn is_dawn(&self) -> bool

pub fn is_dusk(&self) -> bool

pub fn is_night(&self) -> bool

pub fn sun_direction(&self) -> Vec3

Sun direction (Vec3, normalized).

pub fn moon_direction(&self) -> Vec3

Moon direction (opposite of sun, slightly offset).

pub fn sky_color(&self) -> Vec4

Sky color based on time of day.

pub fn ambient_intensity(&self) -> f32

Ambient light intensity (0–1).

pub fn sun_intensity(&self) -> f32

Sun light intensity.

pub fn set_hour(&mut self, h: f32)

Trait Implementations

impl Clone for DayNightCycle

fn clone(&self) -> DayNightCycle

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DayNightCycle

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for DayNightCycle

fn default() -> Self

Returns the “default value” for a type.