tupali/librerias/gantt/code/es-modules/mixins/geometry.js
2020-05-23 15:45:54 -05:00

56 lines
1.7 KiB
JavaScript

/* *
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
/**
* Calculates the center between a list of points.
* @private
* @param {Array<Highcharts.PositionObject>} points
* A list of points to calculate the center of.
* @return {Highcharts.PositionObject}
* Calculated center
*/
var getCenterOfPoints = function getCenterOfPoints(points) {
var sum = points.reduce(function (sum, point) {
sum.x += point.x;
sum.y += point.y;
return sum;
}, { x: 0, y: 0 });
return {
x: sum.x / points.length,
y: sum.y / points.length
};
};
/**
* Calculates the distance between two points based on their x and y
* coordinates.
* @private
* @param {Highcharts.PositionObject} p1
* The x and y coordinates of the first point.
* @param {Highcharts.PositionObject} p2
* The x and y coordinates of the second point.
* @return {number}
* Returns the distance between the points.
*/
var getDistanceBetweenPoints = function getDistanceBetweenPoints(p1, p2) {
return Math.sqrt(Math.pow(p2.x - p1.x, 2) + Math.pow(p2.y - p1.y, 2));
};
/**
* Calculates the angle between two points.
* @todo add unit tests.
* @private
* @param {Highcharts.PositionObject} p1 The first point.
* @param {Highcharts.PositionObject} p2 The second point.
* @return {number} Returns the angle in radians.
*/
var getAngleBetweenPoints = function getAngleBetweenPoints(p1, p2) {
return Math.atan2(p2.x - p1.x, p2.y - p1.y);
};
var geometry = {
getAngleBetweenPoints: getAngleBetweenPoints,
getCenterOfPoints: getCenterOfPoints,
getDistanceBetweenPoints: getDistanceBetweenPoints
};
export default geometry;