fix a corner case where pointer interaction generates two points

Author: Fil

src/interactions/pointer.js

@@ -84,8 +84,8 @@ function pointerK(kx, ky, {x, y, px, py, maxRadius = 40, channels, render, ...op
             facetState.set(index.fi, ri);
             f = requestAnimationFrame(() => {
               f = null;
-              for (const r of facetState.values()) {
-                if (r < ri) {
+              for (const [fi, r] of facetState) {
+                if (r < ri || (r === ri && fi < index.fi)) {
                   ii = null;
                   break;
                 }