add line | add circle | zoom | selectable geometry | geometry define entities type

2026-04-11 10:48:59 +07:00
parent 4969c8cc57
commit 3023fa947c
15 changed files with 1435 additions and 212 deletions
--- a/lib/editingEngine.ts
+++ b/lib/editingEngine.ts
@@ -163,7 +163,7 @@ export function createEditingEngine(options: {
            ring.forEach((pt, idx) => {
                const dx = pt[0] - click[0];
                const dy = pt[1] - click[1];
-                const d = dx * dx + dy * dy;
+                const d = dx * dx + dy * dy; // Dùng khoảng cách Euclid bình phương để so sánh nhanh, không cần sqrt.
                if (d < bestDist) {
                    bestDist = d;
                    nearestIdx = idx;