/**
 * A shader effect that pixelates the sprite by snapping UV coordinates
 * to a grid. Commonly used for teleport effects, transitions, or retro styling.
 * @category Effects
 * @see {@link Renderable.shader} for usage
 * @example
 * // moderate pixelation
 * mySprite.shader = new PixelateEffect(renderer, { size: 8.0 });
 * @example
 * // animate the pixelation (e.g. for teleport)
 * pixelate.setSize(pixelate.size + dt / 50);
 */
export default class PixelateEffect extends ShaderEffect {
    /**
     * @param {import("../webgl_renderer.js").default} renderer - the current renderer instance
     * @param {object} [options] - effect options
     * @param {number} [options.size=4.0] - pixel size in texels (higher = more pixelated)
     * @param {number[]} [options.textureSize=[256, 256]] - texture dimensions [width, height]
     */
    constructor(renderer: import("../webgl_renderer.js").default, options?: {
        size?: number | undefined;
        textureSize?: number[] | undefined;
    });
    size: number;
    /**
     * set the pixel size
     * @param {number} size - pixel size in texels
     */
    setSize(size: number): void;
    /**
     * set the texture size
     * @param {number} width - texture width in pixels
     * @param {number} height - texture height in pixels
     */
    setTextureSize(width: number, height: number): void;
}
import ShaderEffect from "../shadereffect.js";
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