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polygonLines중 intersection 포인트가 있는 경우 처리 추가

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This commit is contained in:
hyojun.choi 2025-05-08 09:59:09 +09:00
parent 78258fc9c1
commit 14764d295c
1 changed files with 22 additions and 20 deletions
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42
src/hooks/usePolygon.js
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@ -869,14 +869,15 @@ export const usePolygon = () => {
const divideLines = polygonLines.filter((line) => line.intersections?.length > 0) const divideLines = polygonLines.filter((line) => line.intersections?.length > 0)
let newLines = [] let newLines = []
polygonLines = polygonLines.filter((line) => !line.intersections || line.intersections.length === 0)
divideLines.forEach((line) => { for (let i = divideLines.length - 1; i >= 0; i--) {
const line = divideLines[i]
const { intersections, startPoint, endPoint } = line const { intersections, startPoint, endPoint } = line
if (intersections.length === 1) { if (intersections.length === 1) {
// 한 점만 교차하는 경우
const newLinePoint1 = [line.x1, line.y1, intersections[0].x, intersections[0].y] const newLinePoint1 = [line.x1, line.y1, intersections[0].x, intersections[0].y]
const newLinePoint2 = [intersections[0].x, intersections[0].y, line.x2, line.y2] const newLinePoint2 = [intersections[0].x, intersections[0].y, line.x2, line.y2]
const newLine1 = new QLine(newLinePoint1, { const newLine1 = new QLine(newLinePoint1, {
stroke: 'blue', stroke: 'blue',
strokeWidth: 3, strokeWidth: 3,
@ -891,28 +892,27 @@ export const usePolygon = () => {
attributes: line.attributes, attributes: line.attributes,
name: 'newLine', name: 'newLine',
}) })
newLine1.attributes = { newLine1.attributes = {
...line.attributes, ...line.attributes,
planeSize: Math.round(Math.sqrt(Math.pow(newLine1.x1 - newLine1.x2, 2) + Math.pow(newLine1.y1 - newLine1.y2, 2))) * 10, planeSize: Math.round(Math.hypot(newLine1.x1 - newLine1.x2, newLine1.y1 - newLine1.y2)) * 10,
actualSize: Math.round(Math.sqrt(Math.pow(newLine1.x1 - newLine1.x2, 2) + Math.pow(newLine1.y1 - newLine1.y2, 2))) * 10, actualSize: Math.round(Math.hypot(newLine1.x1 - newLine1.x2, newLine1.y1 - newLine1.y2)) * 10,
} }
newLine2.attributes = { newLine2.attributes = {
...line.attributes, ...line.attributes,
planeSize: Math.round(Math.sqrt(Math.pow(newLine2.x1 - newLine2.x2, 2) + Math.pow(newLine2.y1 - newLine2.y2, 2))) * 10, planeSize: Math.round(Math.hypot(newLine2.x1 - newLine2.x2, newLine2.y1 - newLine2.y2)) * 10,
actualSize: Math.round(Math.sqrt(Math.pow(newLine2.x1 - newLine2.x2, 2) + Math.pow(newLine2.y1 - newLine2.y2, 2))) * 10, actualSize: Math.round(Math.hypot(newLine2.x1 - newLine2.x2, newLine2.y1 - newLine2.y2)) * 10,
} }
newLines.push(newLine1)
newLines.push(newLine2)
} else {
// 두 점 이상 교차하는 경우
//1. intersections중에 startPoint와 가장 가까운 점을 찾는다.
//2. 가장 가까운 점을 기준으로 line을 나눈다.
newLines.push(newLine1, newLine2)
divideLines.splice(i, 1) // 기존 line 제거
} else {
let currentPoint = startPoint let currentPoint = startPoint
while (intersections.length !== 0) { while (intersections.length !== 0) {
const minDistancePoint = findAndRemoveClosestPoint(currentPoint, intersections) const minDistancePoint = findAndRemoveClosestPoint(currentPoint, intersections)
const newLinePoint = [currentPoint.x, currentPoint.y, minDistancePoint.x, minDistancePoint.y] const newLinePoint = [currentPoint.x, currentPoint.y, minDistancePoint.x, minDistancePoint.y]
const newLine = new QLine(newLinePoint, { const newLine = new QLine(newLinePoint, {
stroke: 'blue', stroke: 'blue',
strokeWidth: 3, strokeWidth: 3,
@ -920,11 +920,13 @@ export const usePolygon = () => {
attributes: line.attributes, attributes: line.attributes,
name: 'newLine', name: 'newLine',
}) })
newLine.attributes = { newLine.attributes = {
...line.attributes, ...line.attributes,
planeSize: Math.round(Math.sqrt(Math.pow(newLine.x1 - newLine.x2, 2) + Math.pow(newLine.y1 - newLine.y2, 2))) * 10, planeSize: Math.round(Math.hypot(newLine.x1 - newLine.x2, newLine.y1 - newLine.y2)) * 10,
actualSize: Math.round(Math.sqrt(Math.pow(newLine.x1 - newLine.x2, 2) + Math.pow(newLine.y1 - newLine.y2, 2))) * 10, actualSize: Math.round(Math.hypot(newLine.x1 - newLine.x2, newLine.y1 - newLine.y2)) * 10,
} }
newLines.push(newLine) newLines.push(newLine)
currentPoint = minDistancePoint currentPoint = minDistancePoint
} }
@ -939,18 +941,18 @@ export const usePolygon = () => {
}) })
newLine.attributes = { newLine.attributes = {
...line.attributes, ...line.attributes,
planeSize: Math.round(Math.sqrt(Math.pow(newLine.x1 - newLine.x2, 2) + Math.pow(newLine.y1 - newLine.y2, 2))) * 10, planeSize: Math.round(Math.hypot(newLine.x1 - newLine.x2, newLine.y1 - newLine.y2)) * 10,
actualSize: Math.round(Math.sqrt(Math.pow(newLine.x1 - newLine.x2, 2) + Math.pow(newLine.y1 - newLine.y2, 2))) * 10, actualSize: Math.round(Math.hypot(newLine.x1 - newLine.x2, newLine.y1 - newLine.y2)) * 10,
} }
newLines.push(newLine) newLines.push(newLine)
divideLines.splice(i, 1) // 기존 line 제거
} }
}) }
//polygonLines에서 divideLines를 제거하고 newLines를 추가한다. //polygonLines에서 divideLines를 제거하고 newLines를 추가한다.
newLines = newLines.filter((line) => !(Math.abs(line.startPoint.x - line.endPoint.x) < 1 && Math.abs(line.startPoint.y - line.endPoint.y) < 1)) newLines = newLines.filter((line) => !(Math.abs(line.startPoint.x - line.endPoint.x) < 1 && Math.abs(line.startPoint.y - line.endPoint.y) < 1))
polygonLines = polygonLines.filter((line) => !line.intersections || line.intersections.length === 0)
polygonLines = [...polygonLines, ...newLines] polygonLines = [...polygonLines, ...newLines]
let allLines = [...polygonLines, ...innerLines] let allLines = [...polygonLines, ...innerLines]