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29 lines
1.0 KiB
29 lines
1.0 KiB
import type { Point } from '../../types';
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import { CrosshairBase } from './base';
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import { PolygonCrosshairOptions, PolygonCrosshairStyleProps } from './types';
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export type { PolygonCrosshairStyleProps, PolygonCrosshairOptions };
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export declare class PolygonCrosshair extends CrosshairBase<Required<PolygonCrosshairStyleProps>> {
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static tag: string;
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protected static defaultOptions: {
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style: Partial<PolygonCrosshairStyleProps>;
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};
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protected get crosshairPath(): any[];
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constructor(options: PolygonCrosshairOptions);
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update(cfg: Partial<PolygonCrosshairStyleProps>): void;
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/**
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* 得到从中心出发，各个点方向的单位向量
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*/
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private get points();
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/**
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* 1. 判断point位于哪一个扇区
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* 2. 计算中心到point的线段与所在扇区的边的交点
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* 3. 计算等效半径
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*/
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setPointer([x, y]: Point): void;
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protected adjustLayout(): void;
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private createPolygonPath;
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/**
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* 求点与扇区单位边的交点
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*/
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private intersection;
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}
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