bevy_lights 0.5.0

Practical lights for Bevy: fires that flicker and flare as they kindle, a budgeted pool of real lights placed over thousands of virtual ones, and billboard shader flames.
Documentation 
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//! The engine-free half of the crate: plain `f32` maths with no `bevy` in it.
//!
//! `tests/leaf.rs` enforces that. The point is that the shapes of these curves — how a flame
//! flickers, how a light takes hold, how far a raised light reaches, how a flame's height and phase
//! are packed — are testable without an app, a window or a GPU, and are the part of the crate a
//! host is most likely to want to reuse in its own systems.

pub mod bed;
pub mod char;
pub mod cinematography;
pub mod fire;
pub mod fire_colour;
pub mod motion;
pub mod pool;
pub mod problem;
pub mod reach;
pub mod tag;
pub mod tongue;
pub mod wind;

pub use bed::{
    BED_BREATH, BED_COOL_KELVIN, BED_PEAK, BED_RAMP_FIELD, BED_RAMP_HEAT, BED_TILE, BED_VISIBLE_SHARE,
    BED_WARM_SECONDS, DEFAULT_BED_COOLING, bed_drawn_heat, bed_heat_step, bed_offset, bed_radiance, bed_ramp,
    bed_visible_heat, pack_bed_tag, unpack_bed_tag,
};
pub use char::{EMBER_AT, TILE_LUMPS, char_field, char_radiance, char_tile, coal_radiance};
pub use cinematography::{
    HIGH_KEY, LOW_KEY, MIN_RADIANCE_KELVIN, MOON_KEY, blackbody_colour, blackbody_luminance,
    blackbody_radiance, fill_for, fire_lumens, fire_lux, fire_reach, ground_lux, ground_ramp, ground_reach,
    key_to_fill, stops, white_balanced,
};
pub use fire::{
    CALM_FLICKER_DEPTH, DEFAULT_FIRE_DIAMETER, FLAME_TILT_LIMIT, FLICKER_DEPTH, KINDLE_SECONDS,
    MAX_FLICKER_DEPTH, PUFFING_CONSTANT, SMOKE_TAIL_SECONDS, SNUFF_SECONDS, WHIPPING_FLICKER_DEPTH,
    fire_phase, flame_tilt, flicker_depth, flicker_factor, flicker_factor_of, flicker_mean, flicker_rate,
    flicker_swing, kindle_gain, snuff_gain,
};
pub use fire_colour::{FIRE_KELVIN, flame_mid, retint};
pub use motion::{MAX_TRACKED_SPEED, MIN_TRACKED_SPEED, MOTION_RESPONSE, relative_air, smooth_velocity};
pub use pool::{
    FADE_SECONDS, HYSTERESIS, fade_factor, fade_out_factor, focus_quota, hand_off, preferred, quota_cutoff,
    shadow_set, shared_value,
};
pub use problem::{Problem, ProblemKind};
pub use reach::{RANGE_MARGIN, flame_light_offset, lean_light_shift, raised_light};
pub use tag::{
    FLAME_REACH, ember_cull_extents, ember_reach, flame_cull_extents, pack_flame_tag, set_flame_brightness,
    unpack_flame_tag,
};
pub use tongue::{MAX_TONGUES, MERGE_RATIO, Tongue, flame_tongue};
pub use wind::{GUST_INTENSITY, GUST_TERMS, GUST_TIMESCALE, gust_unit, gust_velocity};