VERSION

@@ -1 +1 @@
-0.3.77-beta
+0.3.78-beta

public/css/teach.css

@@ -126,7 +126,7 @@
   /* live-laag van de markeerstift: dekkend getekend, doorschijnend getoond;
      bij het loslaten wordt de haal in één keer op de inktlaag gezet */
   #boardMark{position:absolute; inset:0; pointer-events:none; z-index:4000; opacity:.32;}
-  body.pen #boardInk{pointer-events:auto; cursor:crosshair;}
+  body.pen #boardInk{pointer-events:auto; cursor:crosshair; touch-action:none;}
   body.pen.pen-text #boardInk{cursor:text;}
   body.pen.pen-hand #boardInk{pointer-events:none;} /* hand tool: interact with everything */
   /* ---------- Leerling-omgeving ---------- */

public/js/board.js

@@ -941,19 +941,19 @@ function toolEdges(){
       const dx = x - t.offsetWidth/2, dy = y - t.offsetHeight/2;
       return [cx + dx*cosA - dy*sinA, cy + dx*sinA + dy*cosA];
     };
-    t._edges.forEach(seg=>edges.push([rot(seg[0]), rot(seg[1])]));
+    t._edges.forEach(seg=>edges.push({ a:rot(seg[0]), b:rot(seg[1]), locked:!!t._locked }));
   });
   return edges;
 }
 function nearestEdge(px, py){
   let best = null;
-  toolEdges().forEach(([a,b])=>{
+  toolEdges().forEach(({a, b, locked})=>{
     const ux = b[0]-a[0], uy = b[1]-a[1], len = Math.hypot(ux,uy);
     if(len < 1) return;
     const along = Math.max(0, Math.min(len, ((px-a[0])*ux + (py-a[1])*uy)/len));
     const qx = a[0] + ux/len*along, qy = a[1] + uy/len*along;
     const d = Math.hypot(px-qx, py-qy);
-    if(!best || d < best.d) best = { d, ax:a[0], ay:a[1], ux:ux/len, uy:uy/len, len };
+    if(!best || d < best.d) best = { d, ax:a[0], ay:a[1], ux:ux/len, uy:uy/len, len, locked };
   });
   return best;
 }
@@ -988,6 +988,10 @@ function startInkStroke(e, fromTool = false){
     const hit = nearestEdge(bx/k, by/k);
     if(fromTool){
       if(hit && hit.d <= 24) bSnap = hit;
+    }else if(hit && hit.locked && hit.d <= 28){
+      /* vastgezet gereedschap = "hier teken ik langs": altijd direct kleven,
+         zonder richtingstoets - dat is waar het slot voor is */
+      bSnap = hit;
     }else if(hit && hit.d <= 22){
       bPend = { x0:bx, y0:by, hit };
       return;   /* nog niets tekenen; de eerste beweging beslist (flush hieronder) */
@@ -1008,11 +1012,13 @@ bInk.addEventListener("pointermove", e=>{
     if(bPend){
       const k = bInk.width / board.clientWidth;
       const dx = rx - bPend.x0, dy = ry - bPend.y0;
-      if(Math.hypot(dx, dy)/k < 7) return;   /* nog te weinig beweging om te beslissen */
+      /* een vinger wiebelt in de eerste millimeters: meet de richting over
+         een langere basis (10px) en wees ruimhartig met de hoek (≤40°) */
+      if(Math.hypot(dx, dy)/k < 10) return;
       const move = Math.atan2(dy, dx), edge = Math.atan2(bPend.hit.uy, bPend.hit.ux);
       let diff = Math.abs(move - edge) % Math.PI;
       diff = Math.min(diff, Math.PI - diff);
-      if(diff <= Math.PI/6) bSnap = bPend.hit;
+      if(diff <= Math.PI/4.5) bSnap = bPend.hit;
       const [sx, sy] = snapPoint(bPend.x0, bPend.y0);
       bx = sx; by = sy; bMidX = bMidY = null;
       bStroke(sx+0.01, sy+0.01, ev.pressure, ev.pointerType);

public/js/core.js

@@ -2,7 +2,7 @@
 "use strict";
 /* version — shown until /api/version resolves (or if the fetch fails, e.g. offline).
    Kept in sync by hand with the VERSION file at the repo root on every release. */
-const VERSION = "0.3.77-beta";
+const VERSION = "0.3.78-beta";
 (function(){
   const tag = document.getElementById("verTag");
   tag.textContent = "v"+VERSION;