@visactor/vutils - npm Package Compare versions

Comparing version 0.18.8 to 0.18.9

cjs/angle.d.ts

@@ -14,1 +14,9 @@ import type { IPointLike } from './data-structure/point';
 export declare function normalizeAngle(angle: number): number;
+export declare function findBoundaryAngles(startAngle: number, endAngle: number): number[];
+export declare function calculateMaxRadius(rect: {
+    width: number;
+    height: number;
+}, center: {
+    x: number;
+    y: number;
+}, startAngle: number, endAngle: number): number;

cjs/angle.js

@@ -5,3 +5,3 @@ "use strict";
     value: !0
-}), exports.normalizeAngle = exports.getAngleByPoint = exports.polarToCartesian = exports.clampAngleByDegree = exports.clampDegree = exports.clampAngleByRadian = exports.clampRadian = exports.radianToDegree = exports.degreeToRadian = void 0;
+}), exports.calculateMaxRadius = exports.findBoundaryAngles = exports.normalizeAngle = exports.getAngleByPoint = exports.polarToCartesian = exports.clampAngleByDegree = exports.clampDegree = exports.clampAngleByRadian = exports.clampRadian = exports.radianToDegree = exports.degreeToRadian = void 0;
 
@@ -30,5 +30,8 @@ const math_1 = require("./math");
 function polarToCartesian(center, radius, angleInRadian) {
-    return {
+    return radius ? {
         x: center.x + radius * Math.cos(angleInRadian),
         y: center.y + radius * Math.sin(angleInRadian)
+    } : {
+        x: center.x,
+        y: center.y
     };
@@ -47,4 +50,24 @@ }
 
+function findBoundaryAngles(startAngle, endAngle) {
+    const deltaAngle = Math.abs(endAngle - startAngle);
+    if (deltaAngle >= 2 * Math.PI || 2 * Math.PI - deltaAngle < 1e-6) return [ 0, Math.PI / 2, Math.PI, 1.5 * Math.PI ];
+    const normalMin = normalizeAngle(Math.min(startAngle, endAngle)), normalMax = normalMin + deltaAngle, steps = [ normalMin, normalMax ];
+    let directionAngle = Math.floor(normalMin / Math.PI) * Math.PI / 2;
+    for (;directionAngle < normalMax; ) directionAngle > normalMin && steps.push(directionAngle), 
+    directionAngle += Math.PI / 2;
+    return steps;
+}
+
+function calculateMaxRadius(rect, center, startAngle, endAngle) {
+    const {x: x, y: y} = center, steps = findBoundaryAngles(startAngle, endAngle), {width: width, height: height} = rect, radiusList = [];
+    return steps.forEach((step => {
+        const sin = Math.sin(step), cos = Math.cos(step);
+        1 === sin ? radiusList.push(height - y) : -1 === sin ? radiusList.push(y) : 1 === cos ? radiusList.push(width - x) : -1 === cos ? radiusList.push(x) : (sin > 0 ? radiusList.push(Math.abs((height - y) / cos)) : radiusList.push(Math.abs(y / cos)), 
+        cos > 0 ? radiusList.push(Math.abs((width - x) / sin)) : radiusList.push(Math.abs(x / sin)));
+    })), Math.min.apply(null, radiusList);
+}
+
 exports.clampDegree = clampDegree, exports.clampAngleByDegree = exports.clampDegree, 
 exports.polarToCartesian = polarToCartesian, exports.getAngleByPoint = getAngleByPoint, 
-exports.normalizeAngle = normalizeAngle;
+exports.normalizeAngle = normalizeAngle, exports.findBoundaryAngles = findBoundaryAngles, 
+exports.calculateMaxRadius = calculateMaxRadius;

es/angle.d.ts

@@ -14,1 +14,9 @@ import type { IPointLike } from './data-structure/point';
 export declare function normalizeAngle(angle: number): number;
+export declare function findBoundaryAngles(startAngle: number, endAngle: number): number[];
+export declare function calculateMaxRadius(rect: {
+    width: number;
+    height: number;
+}, center: {
+    x: number;
+    y: number;
+}, startAngle: number, endAngle: number): number;

es/angle.js

@@ -23,5 +23,8 @@ import { tau } from "./math";
 export function polarToCartesian(center, radius, angleInRadian) {
-    return {
+    return radius ? {
         x: center.x + radius * Math.cos(angleInRadian),
         y: center.y + radius * Math.sin(angleInRadian)
+    } : {
+        x: center.x,
+        y: center.y
     };
@@ -38,2 +41,21 @@ }
     return angle;
+}
+
+export function findBoundaryAngles(startAngle, endAngle) {
+    const deltaAngle = Math.abs(endAngle - startAngle);
+    if (deltaAngle >= 2 * Math.PI || 2 * Math.PI - deltaAngle < 1e-6) return [ 0, Math.PI / 2, Math.PI, 1.5 * Math.PI ];
+    const normalMin = normalizeAngle(Math.min(startAngle, endAngle)), normalMax = normalMin + deltaAngle, steps = [ normalMin, normalMax ];
+    let directionAngle = Math.floor(normalMin / Math.PI) * Math.PI / 2;
+    for (;directionAngle < normalMax; ) directionAngle > normalMin && steps.push(directionAngle), 
+    directionAngle += Math.PI / 2;
+    return steps;
+}
+
+export function calculateMaxRadius(rect, center, startAngle, endAngle) {
+    const {x: x, y: y} = center, steps = findBoundaryAngles(startAngle, endAngle), {width: width, height: height} = rect, radiusList = [];
+    return steps.forEach((step => {
+        const sin = Math.sin(step), cos = Math.cos(step);
+        1 === sin ? radiusList.push(height - y) : -1 === sin ? radiusList.push(y) : 1 === cos ? radiusList.push(width - x) : -1 === cos ? radiusList.push(x) : (sin > 0 ? radiusList.push(Math.abs((height - y) / cos)) : radiusList.push(Math.abs(y / cos)), 
+        cos > 0 ? radiusList.push(Math.abs((width - x) / sin)) : radiusList.push(Math.abs(x / sin)));
+    })), Math.min.apply(null, radiusList);
 }

package.json

 {
   "name": "@visactor/vutils",
-  "version": "0.18.8",
+  "version": "0.18.9",
   "main": "cjs/index.js",
@@ -31,5 +31,5 @@ "module": "es/index.js",
     "@internal/bundler": "0.0.1",
-    "@internal/eslint-config": "0.0.1",
     "@internal/ts-config": "0.0.1",
-    "@internal/jest-config": "0.0.1"
+    "@internal/jest-config": "0.0.1",
+    "@internal/eslint-config": "0.0.1"
   },
@@ -36,0 +36,0 @@ "dependencies": {

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Improved metrics

Total package byte prevSize

1835013

increased by0.85%

Lines of code

17721

increased by0.69%

No dependency changes