import * as _angular_core from '@angular/core';

/**
 * Splash cursor — a WebGL fluid simulation that splashes colourful dye
 * wherever the pointer moves or clicks. Renders as a fixed, full-viewport,
 * click-through overlay; mount it once on a page (it follows the pointer
 * everywhere) and it tears down with the component.
 *
 * Renders nothing under `prefers-reduced-motion` or when WebGL is
 * unavailable.
 *
 * @example
 * ```html
 * <wr-splash-cursor />
 * <wr-splash-cursor [rainbow]="false" color="#5227ff" />
 * ```
 *
 * @see https://ngwr.dev/animations/splash-cursor
 */
declare class WrSplashCursor {
    /**
     * `true` overlays the whole viewport (reactbits behaviour); `false`
     * fills the nearest positioned ancestor instead — handy for demo boxes,
     * and the dye collides with the box walls. @default true
     */
    readonly fullscreen: _angular_core.InputSignalWithTransform<boolean, any>;
    /** Velocity / pressure grid resolution. @default 128 */
    readonly simResolution: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Dye texture resolution — the visible detail. @default 1440 */
    readonly dyeResolution: _angular_core.InputSignalWithTransform<number, unknown>;
    /** How fast the dye fades, higher = shorter trails. @default 3.5 */
    readonly densityDissipation: _angular_core.InputSignalWithTransform<number, unknown>;
    /** How fast motion settles. @default 2 */
    readonly velocityDissipation: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Pressure retained between frames, 0..1. @default 0.1 */
    readonly pressure: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Jacobi iterations for the pressure solve. @default 20 */
    readonly pressureIterations: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Vorticity confinement — swirliness. @default 3 */
    readonly curl: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Splat size. @default 0.2 */
    readonly splatRadius: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Velocity a pointer move injects. @default 6000 */
    readonly splatForce: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Pseudo-3D shading on the dye. @default true */
    readonly shading: _angular_core.InputSignalWithTransform<boolean, any>;
    /** How fast the splat colour cycles. @default 10 */
    readonly colorUpdateSpeed: _angular_core.InputSignalWithTransform<number, unknown>;
    /** Cycle splat colours through the rainbow. @default true */
    readonly rainbow: _angular_core.InputSignalWithTransform<boolean, any>;
    /** Fixed splat colour when `rainbow` is off. @default '#ff0000' */
    readonly color: _angular_core.InputSignal<string>;
    private readonly canvasRef;
    private readonly zone;
    private readonly platform;
    private readonly isBrowser;
    constructor();
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<WrSplashCursor, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<WrSplashCursor, "wr-splash-cursor", never, { "fullscreen": { "alias": "fullscreen"; "required": false; "isSignal": true; }; "simResolution": { "alias": "simResolution"; "required": false; "isSignal": true; }; "dyeResolution": { "alias": "dyeResolution"; "required": false; "isSignal": true; }; "densityDissipation": { "alias": "densityDissipation"; "required": false; "isSignal": true; }; "velocityDissipation": { "alias": "velocityDissipation"; "required": false; "isSignal": true; }; "pressure": { "alias": "pressure"; "required": false; "isSignal": true; }; "pressureIterations": { "alias": "pressureIterations"; "required": false; "isSignal": true; }; "curl": { "alias": "curl"; "required": false; "isSignal": true; }; "splatRadius": { "alias": "splatRadius"; "required": false; "isSignal": true; }; "splatForce": { "alias": "splatForce"; "required": false; "isSignal": true; }; "shading": { "alias": "shading"; "required": false; "isSignal": true; }; "colorUpdateSpeed": { "alias": "colorUpdateSpeed"; "required": false; "isSignal": true; }; "rainbow": { "alias": "rainbow"; "required": false; "isSignal": true; }; "color": { "alias": "color"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}

/**
 * @license
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/thekhegay/ngwr/blob/main/LICENSE
 *
 * WebGL fluid simulation behind `<wr-splash-cursor>`. Port of the engine
 * used by reactbits.dev's SplashCursor (itself based on Pavel Dobryakov's
 * WebGL-Fluid-Simulation, MIT).
 *
 * Framework-free on purpose: `createFluidSimulation(canvas, config)` boots
 * the sim and returns a teardown, or `null` when WebGL isn't available.
 */
interface WrFluidConfig {
    readonly simResolution: number;
    readonly dyeResolution: number;
    readonly densityDissipation: number;
    readonly velocityDissipation: number;
    readonly pressure: number;
    readonly pressureIterations: number;
    readonly curl: number;
    readonly splatRadius: number;
    readonly splatForce: number;
    readonly shading: boolean;
    readonly colorUpdateSpeed: number;
    /** Cycle splat colours through the rainbow; `false` uses `color`. */
    readonly rainbow: boolean;
    /** Fixed splat colour (hex) when `rainbow` is off. */
    readonly color: string;
}

export { WrSplashCursor };
export type { WrFluidConfig };