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

export interface ComponentProps {
    /**
     * Reference edge the center position is measured from (center default). Lets you pin the shape relative to a corner or the canvas centre.
     *
     * @default "center"
     */
    origin: BoundingBoxOrigin;
    /**
     * Center position of the ice shape
     *
     * Accepts `{ x, y }` objects with values from 0 to 1, or CSS positions like `top center`.
     * @default {"x":0.5,"y":0.5}
     */
    center: Parameters<typeof transformPosition>[0];
    /**
     * Scale of the ice shape (1 = default size)
     *
     * Accepts a number between 0.1 and 3.
     * @default 1
     */
    scale: number;
    /**
     * Rotation of the ice shape in degrees
     *
     * Accepts a number between 0 and 360.
     * @default 0
     */
    rotation: number;
    /**
     * Ice tint — the colour deep ice saturates toward (thin edges stay near white)
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#0597fc"
     */
    iceColor: Parameters<typeof transformColor>[0];
    /**
     * Surface sheen — the broad soft icy specular
     *
     * Accepts a number between 0 and 1.
     * @default 0.6
     */
    gloss: number;
    /**
     * Cool ambient fill so shadowed ice never goes black
     *
     * Accepts a number between 0 and 1.
     * @default 0
     */
    ambient: number;
    /**
     * Softness of the shape boundary edge
     *
     * Accepts a number between 0 and 1.
     * @default 0.05
     */
    edgeSoftness: number;
    /**
     * Optical depth multiplier — how thick and deep the ice reads
     *
     * Accepts a number between 0 and 10.
     * @default 5
     */
    density: number;
    /**
     * Beer–Lambert absorption strength — higher drives a deeper blue-teal core
     *
     * Accepts a number between 0 and 2.
     * @default 1
     */
    absorption: number;
    /**
     * Forward back-lit glow transmitted through thin ice
     *
     * Accepts a number between 0 and 1.
     * @default 0.5
     */
    scatter: number;
    /**
     * Overall density of the rim frost crystals
     *
     * Accepts a number between 0 and 1.
     * @default 0.8
     */
    frostAmount: number;
    /**
     * How far the frost creeps inward from the rim
     *
     * Accepts a number between 0 and 1.
     * @default 0.4
     */
    frostDepth: number;
    /**
     * Crystal size — higher = finer, busier frost
     *
     * Accepts a number between 0.3 and 4.
     * @default 1
     */
    frostScale: number;
    /**
     * Feathery roughness of the frost crystal surface
     *
     * Accepts a number between 1 and 5.
     * @default 3
     */
    frostRoughness: number;
    /**
     * Tiny bright crystal glints catching the light at the rim
     *
     * Accepts a number between 0 and 1.
     * @default 0.5
     */
    sparkle: number;
    /**
     * Cold rim glow on grazing surfaces
     *
     * Accepts a number between 0 and 1.
     * @default 0.02
     */
    fresnel: number;
    /**
     * Key light direction in degrees
     *
     * Accepts a number between 0 and 360.
     * @default 300
     */
    lightAngle: number;
    /**
     * Sparkle twinkle speed. 0 freezes the sparkle.
     *
     * Accepts a number between 0 and 2.
     * @default 0.3
     */
    speed: number;
    /**
     * Serialized shape configuration (JSON)
     *
     * @default "DEFAULT_SHAPE_CONFIG"
     */
    shape: string | Record<string, unknown>;
    /**
     * URL to a pre-generated SDF .bin file
     *
     * @default ""
     */
    shapeSdfUrl: string;
    /**
     * Active SDF shape type
     *
     * @default ""
     */
    shapeType: string;
}
export declare const componentDefinition: GpuShaderDefinition<ComponentProps>;
export default componentDefinition;
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