import { PerspectiveProjection, AssetBase, Transform } from '@awayjs/core';
import { TextureBase } from '@awayjs/renderer';
/**
 * TextureProjector is an object in the scene that can be used to project textures onto geometry. To do so,
 * the object's material must have a ProjectiveTextureMethod method added to it with a TextureProjector object
 * passed in the constructor.
 * This can be used for various effects apart from acting like a normal projector, such as projecting fake shadows
 * unto a surface, the impact of light coming through a stained glass window, ...
 *
 * @see away3d.materials.methods.ProjectiveTextureMethod
 */
export declare class TextureProjector extends AssetBase {
    private _transform;
    static assetType: string;
    private _projection;
    private _texture;
    get transform(): Transform;
    set transform(value: Transform);
    /**
     * Creates a new TextureProjector object.
     * @param texture The texture to be projected on the geometry. Since any point that is projected out of the range
     * of the projector's cone is clamped to the texture's edges, the edges should be entirely neutral.
     */
    constructor(texture: TextureBase, transform?: Transform);
    /**
     *
     */
    get projection(): PerspectiveProjection;
    get assetType(): string;
    /**
     * The texture to be projected on the geometry.
     * IMPORTANT: Since any point that is projected out of the range of the projector's cone is clamped to the texture's edges,
     * the edges should be entirely neutral. Depending on the blend mode, the neutral color is:
     * White for MULTIPLY,
     * Black for ADD,
     * Transparent for MIX
     */
    get texture(): TextureBase;
    set texture(value: TextureBase);
}
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