import { MethodBase, _Shader_MethodBase } from './MethodBase';
/**
 * EffectRimLightMethod provides a method to add rim lighting to a material.
 * This adds a glow-like effect to edges of objects.
 */
export declare class EffectRimLightMethod extends MethodBase {
    static ADD: string;
    static MULTIPLY: string;
    static MIX: string;
    private _color;
    private _strength;
    private _power;
    private _blendMode;
    static assetType: string;
    /**
     * @inheritDoc
     */
    get assetType(): string;
    /**
     * The color of the rim light.
     */
    get color(): number;
    set color(value: number);
    /**
     * The strength of the rim light.
     */
    get strength(): number;
    set strength(value: number);
    /**
     * The power of the rim light. Higher values will result in a higher edge fall-off.
     */
    get power(): number;
    set power(value: number);
    /**
     * The blend mode with which to add the light to the object.
     *
     * EffectRimLightMethod.MULTIPLY multiplies the rim light with the material's colour.
     * EffectRimLightMethod.ADD adds the rim light with the material's colour.
     * EffectRimLightMethod.MIX provides normal alpha blending.
     */
    get blendMode(): string;
    set blendMode(value: string);
    /**
     * Creates a new <code>EffectRimLightMethod</code> object.
     *
     * @param color The colour of the rim light.
     * @param strength The strength of the rim light.
     * @param power The power of the rim light. Higher values will result in a higher edge fall-off.
     * @param blend The blend mode with which to add the light to the object.
     */
    constructor(color?: number, strength?: number, power?: number, blend?: string);
}
import { ShaderRegisterCache, ShaderRegisterData, ShaderRegisterElement } from '@awayjs/stage';
import { ShaderBase, ChunkVO } from '@awayjs/renderer';
/**
 * _Shader_EffectRimLightMethod provides a method to add rim lighting to a material. This adds a glow-like effect to edges of objects.
 */
export declare class _Shader_EffectRimLightMethod extends _Shader_MethodBase {
    private _method;
    private _shader;
    private _rimColorIndex;
    /**
     * Creates a new EffectEnvMapChunk.
     */
    init(method: EffectRimLightMethod, shader: ShaderBase): void;
    /**
     * @inheritDoc
     */
    _initVO(chunkVO: ChunkVO): void;
    /**
     * @inheritDoc
     */
    _activate(): void;
    /**
     * @inheritDoc
     */
    _getFragmentCode(targetReg: ShaderRegisterElement, registerCache: ShaderRegisterCache, sharedRegisters: ShaderRegisterData): string;
}
//# sourceMappingURL=EffectRimLightMethod.d.ts.map