@ssgoi/core/dist/animator/ticker.d.ts

Core animation engine for SSGOI - Native app-like page transitions with spring physics

/**
 * Ticker - Singleton requestAnimationFrame manager
 * Prevents multiple RAF calls by batching all animation updates into a single loop
 * Inspired by GSAP's ticker with mobile optimizations
 */
type TickerCallback = (deltaTime: number, elapsed: number) => void;
declare class Ticker {
    private listeners;
    private rafId;
    private isRunning;
    private startTime;
    private lastUpdate;
    private elapsed;
    private lagThreshold;
    private adjustedLag;
    private maxDeltaTime;
    private gap;
    private nextTime;
    private tick;
    subscribe(callback: TickerCallback): () => void;
    unsubscribe(callback: TickerCallback): void;
    /**
     * Configure lag smoothing behavior
     * @param threshold - Time threshold to detect lag (default: 500ms)
     * @param adjustedLag - Max time jump when lag detected (default: 33ms)
     */
    lagSmoothing(threshold: number, adjustedLag: number): void;
    /**
     * Set maximum FPS
     * @param fps - Target FPS (default: 240)
     */
    fps(fps: number): void;
    getListenerCount(): number;
    getElapsed(): number;
}
export declare const ticker: Ticker;
export {};
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