import { ShaderRegisterCache } from '@awayjs/stage';
import { ShaderBase, AnimationRegisterData } from '@awayjs/renderer';
import { ParticleRotateToHeadingState } from '../states/ParticleRotateToHeadingState';
import { ParticleAnimationSet } from '../ParticleAnimationSet';
import { AnimatorBase } from '../AnimatorBase';
import { ParticleNodeBase } from './ParticleNodeBase';
/**
 * A particle animation node used to control the rotation of a particle to match its heading vector.
 */
export declare class ParticleRotateToHeadingNode extends ParticleNodeBase {
    /**
     * Creates a new <code>ParticleBillboardNode</code>
     */
    constructor();
    /**
     * @inheritDoc
     */
    getAGALVertexCode(shader: ShaderBase, animationSet: ParticleAnimationSet, registerCache: ShaderRegisterCache, animationRegisterData: AnimationRegisterData): string;
    /**
     * @inheritDoc
     */
    getAnimationState(animator: AnimatorBase): ParticleRotateToHeadingState;
    /**
     * @inheritDoc
     */
    _iProcessAnimationSetting(particleAnimationSet: ParticleAnimationSet): void;
}
//# sourceMappingURL=ParticleRotateToHeadingNode.d.ts.map