/**
 * Domain models for Ember background
 */
import type { HeatIntensity, DensityPreset } from "../constants/ember-constants.js";
/** Glowing coal in the coal bed */
export interface Coal {
    x: number;
    y: number;
    size: number;
    glowRadius: number;
    pulsePhase: number;
    pulseSpeed: number;
    baseIntensity: number;
    currentIntensity: number;
    isFlaring: boolean;
    flareTimer: number;
    color: {
        r: number;
        g: number;
        b: number;
    };
}
export type EmberType = "normal" | "spiral" | "micro" | "lazy";
/** Rising ember particle */
export interface Ember {
    x: number;
    y: number;
    size: number;
    vx: number;
    vy: number;
    opacity: number;
    glowRadius: number;
    flickerOffset: number;
    color: {
        r: number;
        g: number;
        b: number;
    };
    emberType: EmberType;
    angularVelocity?: number;
    spiralRadius?: number;
    spiralPhase?: number;
    isPhoenix?: boolean;
}
/** Smoke particle - larger, slower, darker, with billowing behavior */
export interface SmokeParticle {
    x: number;
    y: number;
    size: number;
    baseSize: number;
    vx: number;
    vy: number;
    opacity: number;
    baseOpacity: number;
    color: {
        r: number;
        g: number;
        b: number;
    };
    driftOffset: number;
    driftFrequency: number;
    spawnY: number;
}
/** Trail point for spark trails */
export interface SparkTrailPoint {
    x: number;
    y: number;
    opacity: number;
}
/** Spark particle - small, fast, bright, short-lived */
export interface SparkParticle {
    x: number;
    y: number;
    size: number;
    vx: number;
    vy: number;
    opacity: number;
    lifetime: number;
    maxLifetime: number;
    color: {
        r: number;
        g: number;
        b: number;
    };
    trail: SparkTrailPoint[];
}
/** Layer visibility toggles */
export interface EmberLayers {
    gradient: boolean;
    coalBed: boolean;
    smoke: boolean;
    embers: boolean;
    sparks: boolean;
    vignette: boolean;
    bottomGlow: boolean;
    sparkTrails: boolean;
    breathing: boolean;
}
/** Stats for lab display */
export interface EmberStats {
    embers: number;
    smoke: number;
    sparks: number;
    coals: number;
    heatIntensity: HeatIntensity;
    densityPreset: DensityPreset;
}
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