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Clustered middle markers

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muerwre 2019-03-04 12:46:30 +07:00
parent d4c839a422
commit 7aed6bea01
3 changed files with 33 additions and 19 deletions
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18
src/utils/geom.ts
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@ -1,4 +1,4 @@
import { LatLng, LatLngLiteral, Point } from "leaflet";
import { LatLng, LatLngLiteral, Point, PointExpression } from "leaflet";
interface ILatLng {
lat: number,
@ -84,4 +84,18 @@ export const distToSegment = (A: LatLng, B: LatLng, C: LatLng): number => Math.s
// if C between A and B
export const pointBetweenPoints = (A: LatLng, B: LatLng, C: LatLng): boolean => (distToSegment(A, B, C) < 0.01);
export const angleBetweenPoints = (A: Point, B: Point): number => parseFloat(((Math.atan2(B.y - A.y, B.x - A.x))* 180 / Math.PI).toFixed(6));
export const angleBetweenPoints = (A: Point, B: Point): number => parseFloat(((Math.atan2(B.y - A.y, B.x - A.x))* 180 / Math.PI).toFixed());
export const angleBetweenPointsRad = (A: Point, B: Point): number => ((Math.atan2(B.x - A.x, B.y - A.y)));
export const pointOnDistance = (A: Point, B: Point, shift: number): Point => {
const c = Math.sqrt((((B.x - A.x) ** 2) + ((B.y - A.y) ** 2)));
const angle = angleBetweenPointsRad(A, B);
// console.log({ angle, c, shift });
const x = Math.floor(B.x - c * Math.sin(angle) * shift);
const y = Math.floor(B.y - c * Math.cos(angle) * shift);
// console.log({ x, y });
return new Point(x, y);
};