@antv/g-math

--- package/package.json (excerpt) ---
{
  "name": "@antv/g-math",
  "version": "3.1.0",
  "description": "Geometry util",
  "keywords": [
    "antv",
    "g"
  ],
  "homepage": "https://github.com/antvis/g#readme",
  "bugs": {
    "url": "https://github.com/antvis/g/issues"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/antvis/g.git"
  },
  "license": "MIT",
  "author": "https://github.com/orgs/antvis/people",
  "exports": {
    "types": "./types/index.d.ts",
    "import": "./dist/index.esm.js",
    "default": "./dist/index.js"
  },
  "main": "dist/index.js",
  "unpkg": "dist/index.umd.min.js",
  "module": "dist/index.esm.js",
  "types": "types/index.d.ts",
  "files": [
    "package.json",
    "dist",
    "types",
    "LICENSE",
    "README.md"
  ],
  "dependencies": {
    "@antv/util": "^3.3.5",
    "@babel/runtime": "^7.25.6",
    "gl-matrix": "^3.4.3",
    "tslib": "^2.5.3"
  },
  "publishConfig": {
    "access": "public"
  },
  "gitHead": "89a517f161e783e64278a4f0d800850db6b5b420",
  "scripts": {
    "build:js": "rimraf dist && rollup -c",
    "build:types": "rimraf types && tsc --emitDeclarationOnly --noCheck",
    "build": "npm run build:js && npm run build:types",
    "sync": "tnpm sync",
    "watch": "rollup -c -w"
  }
}

--- package.json (entry) ---
{
  "name": "@antv/g-math",
  "version": "3.1.0",
  "description": "Geometry util",
  "keywords": [
    "antv",
    "g"
  ],
  "homepage": "https://github.com/antvis/g#readme",
  "bugs": {
    "url": "https://github.com/antvis/g/issues"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/antvis/g.git"
  },
  "license": "MIT",
  "author": "https://github.com/orgs/antvis/people",
  "exports": {
    "types": "./types/index.d.ts",
    "import": "./dist/index.esm.js",
    "default": "./dist/index.js"
  },
  "main": "dist/index.js",
  "unpkg": "dist/index.umd.min.js",
  "module": "dist/index.esm.js",
  "types": "types/index.d.ts",
  "files": [
    "package.json",
    "dist",
    "types",
    "LICENSE",
    "README.md"
  ],
  "dependencies": {
    "@antv/util": "^3.3.5",
    "@babel/runtime": "^7.25.6",
    "gl-matrix": "^3.4.3",
    "tslib": "^2.5.3"
  },
  "publishConfig": {
    "access": "public"
  },
  "gitHead": "89a517f161e783e64278a4f0d800850db6b5b420",
  "scripts": {
    "build:js": "rimraf dist && rollup -c",
    "build:types": "rimraf types && tsc --emitDeclarationOnly --noCheck",
    "build": "npm run build:js && npm run build:types",
    "sync": "tnpm 

--- index.js (entry) ---
/*!
 * @antv/g-math
 * @description Geometry util
 * @version 3.1.0
 * @date 12/22/2025, 3:02:36 AM
 * @author AntVis
 * @docs https://g.antv.antgroup.com/
 */
'use strict';

var _slicedToArray = require('@babel/runtime/helpers/slicedToArray');
var _toConsumableArray = require('@babel/runtime/helpers/toConsumableArray');
var util = require('@antv/util');
var glMatrix = require('gl-matrix');

function distance(x1, y1, x2, y2) {
  var dx = x1 - x2;
  var dy = y1 - y2;
  return Math.sqrt(dx * dx + dy * dy);
}
function getBBoxByArray(xArr, yArr) {
  var minX = Math.min.apply(Math, _toConsumableArray(xArr));
  var minY = Math.min.apply(Math, _toConsumableArray(yArr));
  var maxX = Math.max.apply(Math, _toConsumableArray(xArr));
  var maxY = Math.max.apply(Math, _toConsumableArray(yArr));
  return {
    x: minX,
    y: minY,
    width: maxX - minX,
    height: maxY - minY
  };
}
function piMod(angle) {
  return (angle + Math.PI * 2) % (Math.PI * 2);
}

function copysign(v1, v2) {
  var absv = Math.abs(v1);
  return v2 > 0 ? absv : absv * -1;
}
function nearestPoint$4(x, y, rx, ry, x0, y0) {
  var a = rx;
  var b = ry;
  // 假如椭圆半径为0则返回圆心
  if (a === 0 || b === 0) {
    return {
      x: x

--- bundled output (OSV-MAL flagged — LLM scope expansion) ---

--- dist/index.esm.js (bundled) ---
/*!
 * @antv/g-math
 * @description Geometry util
 * @version 3.1.0
 * @date 12/22/2025, 3:02:36 AM
 * @author AntVis
 * @docs https://g.antv.antgroup.com/
 */
import _slicedToArray from '@babel/runtime/helpers/slicedToArray';
import _toConsumableArray from '@babel/runtime/helpers/toConsumableArray';
import { isNumberEqual } from '@antv/util';
import { vec2 } from 'gl-matrix';

function distance(x1, y1, x2, y2) {
  var dx = x1 - x2;
  var dy = y1 - y2;
  return Math.sqrt(dx * dx + dy * dy);
}
function getBBoxByArray(xArr, yArr) {
  var minX = Math.min.apply(Math, _toConsumableArray(xArr));
  var minY = Math.min.apply(Math, _toConsumableArray(yArr));
  var maxX = Math.max.apply(Math, _toConsumableArray(xArr));
  var maxY = Math.max.apply(Math, _toConsumableArray(yArr));
  return {
    x: minX,
    y: minY,
    width: maxX - minX,
    height: maxY - minY
  };
}
function piMod(angle) {
  return (angle + Math.PI * 2) % (Math.PI * 2);
}

function copysign(v1, v2) {
  var absv = Math.abs(v1);
  return v2 > 0 ? absv : absv * -1;
}
function nearestPoint$4(x, y, rx, ry, x0, y0) {
  var a = rx;
  var b = ry;
  // 假如椭圆半径为0则返回圆心
  if (a === 0 || b === 0) {
    return {
      x: x,
      y: y
    };
  }
  // 转换成 0， 0 为中心的椭圆计算
  var relativeX = x0 - x;
  var relativeY = y0 - y;
  var px = Math.abs(relativeX);
  var py = Math.abs(relativeY);
  var squareA = a * a;
  var squareB = b * b;
  // const angle0 = Math.atan2(relativeY, relativeX);
  var t = Math.PI / 4;
  var nearestX = 0; // 椭圆上的任一点
  var nearestY = 0;
  // 迭代 4 次
  for (var i = 0; i < 4; i++) {
    nearestX = a * Math.cos(t);
    nearestY = b * Math.sin(t);
    var ex = (squareA - squareB) * Math.pow(Math.cos(t), 3) / a;
    var ey = (squareB - squareA) * Math.pow(Math.sin(t), 3) / b;
    var rx1 = nearestX - ex;
    var ry1 = nearestY - ey;
    var qx = px - ex;
    var qy = py - ey;
    var r = Math.hypot(ry1, rx1);
    var q = Math.hypot(qy, qx);
    var delta_c = r * Math.asin((rx1 * qy - ry1 * qx) / (r * q));
    v

--- dist/index.js (bundled) ---
/*!
 * @antv/g-math
 * @description Geometry util
 * @version 3.1.0
 * @date 12/22/2025, 3:02:36 AM
 * @author AntVis
 * @docs https://g.antv.antgroup.com/
 */
'use strict';

var _slicedToArray = require('@babel/runtime/helpers/slicedToArray');
var _toConsumableArray = require('@babel/runtime/helpers/toConsumableArray');
var util = require('@antv/util');
var glMatrix = require('gl-matrix');

function distance(x1, y1, x2, y2) {
  var dx = x1 - x2;
  var dy = y1 - y2;
  return Math.sqrt(dx * dx + dy * dy);
}
function getBBoxByArray(xArr, yArr) {
  var minX = Math.min.apply(Math, _toConsumableArray(xArr));
  var minY = Math.min.apply(Math, _toConsumableArray(yArr));
  var maxX = Math.max.apply(Math, _toConsumableArray(xArr));
  var maxY = Math.max.apply(Math, _toConsumableArray(yArr));
  return {
    x: minX,
    y: minY,
    width: maxX - minX,
    height: maxY - minY
  };
}
function piMod(angle) {
  return (angle + Math.PI * 2) % (Math.PI * 2);
}

function copysign(v1, v2) {
  var absv = Math.abs(v1);
  return v2 > 0 ? absv : absv * -1;
}
function nearestPoint$4(x, y, rx, ry, x0, y0) {
  var a = rx;
  var b = ry;
  // 假如椭圆半径为0则返回圆心
  if (a === 0 || b === 0) {
    return {
      x: x,
      y: y
    };
  }
  // 转换成 0， 0 为中心的椭圆计算
  var relativeX = x0 - x;
  var relativeY = y0 - y;
  var px = Math.abs(relativeX);
  var py = Math.abs(relativeY);
  var squareA = a * a;
  var squareB = b * b;
  // const angle0 = Math.atan2(relativeY, relativeX);
  var t = Math.PI / 4;
  var nearestX = 0; // 椭圆上的任一点
  var nearestY = 0;
  // 迭代 4 次
  for (var i = 0; i < 4; i++) {
    nearestX = a * Math.cos(t);
    nearestY = b * Math.sin(t);
    var ex = (squareA - squareB) * Math.pow(Math.cos(t), 3) / a;
    var ey = (squareB - squareA) * Math.pow(Math.sin(t), 3) / b;
    var rx1 = nearestX - ex;
    var ry1 = nearestY - ey;
    var qx = px - ex;
    var qy = py - ey;
    var r = Math.hypot(ry1, rx1);
    var q = Math.hypot(qy, qx);
    var delta_c = r * Math.asin((rx1 * qy - ry1 * qx) / (

--- dist/index.umd.min.js (bundled) ---
/*!
 * @antv/g-math
 * @description Geometry util
 * @version 3.1.0
 * @date 12/22/2025, 3:02:36 AM
 * @author AntVis
 * @docs https://g.antv.antgroup.com/
 */
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