/**
 * A shader effect that applies a sine wave distortion to the sprite.
 * Commonly used for underwater, heat haze, or dream sequence effects.
 * The `time` uniform should be updated each frame for animation.
 * @category Effects
 * @see {@link Renderable.shader} for usage
 * @example
 * const wave = new WaveEffect(renderer, { amplitude: 0.01, frequency: 10.0 });
 * mySprite.shader = wave;
 * // update each frame
 * wave.setTime(performance.now() / 1000);
 */
export default class WaveEffect extends ShaderEffect {
    /**
     * @param {import("../webgl_renderer.js").default} renderer - the current renderer instance
     * @param {object} [options] - effect options
     * @param {number} [options.amplitude=0.01] - wave displacement strength (in UV space, 0.01 = subtle)
     * @param {number} [options.frequency=10.0] - number of waves across the sprite
     * @param {number} [options.speed=2.0] - wave animation speed
     */
    constructor(renderer: import("../webgl_renderer.js").default, options?: {
        amplitude?: number | undefined;
        frequency?: number | undefined;
        speed?: number | undefined;
    });
    /**
     * set the current time (call each frame for animation)
     * @param {number} time - time in seconds
     */
    setTime(time: number): void;
    /**
     * set the wave amplitude
     * @param {number} amplitude - displacement strength in UV space
     */
    setAmplitude(amplitude: number): void;
    /**
     * set the wave frequency
     * @param {number} frequency - number of waves
     */
    setFrequency(frequency: number): void;
}
import ShaderEffect from "../shadereffect.js";
//# sourceMappingURL=wave.d.ts.map