0a5f6a8047
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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
52 lines
1.7 KiB
JavaScript
52 lines
1.7 KiB
JavaScript
export function getPixelRatio() {
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return window ? window.devicePixelRatio : 1;
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}
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/**
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* 两点之间的距离
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* @param {number} x1 起始点 x
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* @param {number} y1 起始点 y
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* @param {number} x2 结束点 x
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* @param {number} y2 结束点 y
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*/
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export function distance(x1, y1, x2, y2) {
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var dx = x1 - x2;
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var dy = y1 - y2;
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return Math.sqrt(dx * dx + dy * dy);
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}
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/**
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* 是否在包围盒内
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* @param {number} minX 包围盒开始的点 x
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* @param {number} minY 包围盒开始的点 y
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* @param {number} width 宽度
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* @param {number} height 高度
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* @param {[type]} x 检测点的 x
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* @param {[type]} y 监测点的 y
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*/
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export function inBox(minX, minY, width, height, x, y) {
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return x >= minX && x <= minX + width && y >= minY && y <= minY + height;
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}
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export function intersectRect(box1, box2) {
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return !(box2.minX > box1.maxX || box2.maxX < box1.minX || box2.minY > box1.maxY || box2.maxY < box1.minY);
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}
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// 合并两个区域
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export function mergeRegion(region1, region2) {
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if (!region1 || !region2) {
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return region1 || region2;
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}
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return {
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minX: Math.min(region1.minX, region2.minX),
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minY: Math.min(region1.minY, region2.minY),
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maxX: Math.max(region1.maxX, region2.maxX),
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maxY: Math.max(region1.maxY, region2.maxY),
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};
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}
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/**
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* 判断两个点是否重合，点坐标的格式为 [x, y]
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* @param {Array} point1 第一个点
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* @param {Array} point2 第二个点
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*/
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export function isSamePoint(point1, point2) {
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return point1[0] === point2[0] && point1[1] === point2[1];
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}
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export { isNil, isString, isFunction, isArray, each, toRadian, mod, isNumberEqual, requestAnimationFrame, clearAnimationFrame, } from '@antv/util';
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//# sourceMappingURL=util.js.map
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