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

export interface ComponentProps {
    /**
     * Where the beam originates
     *
     * Accepts `{ x, y }` objects with values from 0 to 1, or CSS positions like `top center`.
     * @default {"x":0.18,"y":0.18}
     */
    position: Parameters<typeof transformPosition>[0];
    /**
     * Where the beam starts to fan out and split (projected onto the beam axis)
     *
     * Accepts `{ x, y }` objects with values from 0 to 1, or CSS positions like `top center`.
     * @default {"x":0.5,"y":0.42}
     */
    splitPosition: Parameters<typeof transformPosition>[0];
    /**
     * Thickness of the white beam
     *
     * @default 0.04
     */
    beamWidth: number;
    /**
     * How widely the rainbow diffuses as it travels past the split point
     *
     * @default 0.7
     */
    spread: number;
    /**
     * How quickly the white beam transitions into the rainbow
     *
     * @default 0.12
     */
    softness: number;
    /**
     * How softly the beam fades in at its source
     *
     * @default 0.15
     */
    startFalloff: number;
    /**
     * How quickly the rainbow fades out with distance
     *
     * @default 0.6
     */
    endFalloff: number;
    /**
     * Brightness (above 1 blows the core to white)
     *
     * @default 1.6
     */
    intensity: number;
    /**
     * Colour of the beam before it splits
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#ffffff"
     */
    beamColor: Parameters<typeof transformColor>[0];
    /**
     * Rainbow saturation — 0 = white, 1 = full colour
     *
     * @default 0.95
     */
    saturation: number;
    /**
     * Speed the hue slowly rotates through the rainbow (0 = static)
     *
     * Accepts a number between -1 and 1.
     * @default 0.1
     */
    speed: number;
}
export declare const componentDefinition: GpuShaderDefinition<ComponentProps>;
export default componentDefinition;
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