import { GpuShaderDefinition } from '../../gpu/porters';
import { transformColor, transformPosition } from '../../utilities/transformations';

export interface ComponentProps {
    /**
     * Anchor point of the leak — the light beams from here toward the canvas centre
     *
     * Accepts `{ x, y }` objects with values from 0 to 1, or CSS positions like `top center`.
     * @default {"x":0.95,"y":0.4}
     */
    position: Parameters<typeof transformPosition>[0];
    /**
     * How far the light bleeds into the frame
     *
     * @default 0.55
     */
    spread: number;
    /**
     * Exposure strength of the leak
     *
     * @default 0.15
     */
    intensity: number;
    /**
     * Strength of the parallel streak bands further into the frame
     *
     * @default 0.6
     */
    streaks: number;
    /**
     * Core color where the leak is fully overexposed
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#fff3c4"
     */
    colorHot: Parameters<typeof transformColor>[0];
    /**
     * Main body color of the leak
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#ff7a2f"
     */
    colorMid: Parameters<typeof transformColor>[0];
    /**
     * Outer fringe color where the light fades out
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#a63d8f"
     */
    colorFringe: Parameters<typeof transformColor>[0];
    /**
     * Breathing of the leak intensity
     *
     * @default 0.35
     */
    flicker: number;
    /**
     * Speed of the breathing, drift and evolution. 0 freezes the leak.
     *
     * Accepts a number between 0 and 4.
     * @default 1
     */
    speed: number;
    /**
     * Random seed — re-rolls the drift and breathing pattern
     *
     * @default 0
     */
    seed: number;
}
export declare const componentDefinition: GpuShaderDefinition<ComponentProps>;
export default componentDefinition;
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