fix wheel problem

static/poseEditor.js

@@ -125,8 +125,11 @@ function drawBodyPose() {
   ctx.globalAlpha = 1.0;
 }
 
+let lastWheeling = 0;
+
 function drawUI() {
-  if (keyDownFlags['Space'] || keyDownFlags['BracketLeft'] || keyDownFlags['BracketRight']) {
+  if (keyDownFlags['Space'] || keyDownFlags['BracketLeft'] || keyDownFlags['BracketRight'] || 
+      new Date().getTime() - lastWheeling < 100) {
     ctx.beginPath();
     ctx.arc(mouseCursor[0], mouseCursor[1], dragRange, 0, 2 * Math.PI);
     ctx.strokeStyle = 'rgb(255,255,255)';
@@ -322,11 +325,12 @@ function ModifyDragRange(delta) { dragRange = Math.max(dragRangeDelta, Math.min(
 
 document.addEventListener('wheel', function(event) {
   const deltaY = event.deltaY;
-  if (deltaY < 0) {ModifyDragRange(dragRangeDelta);}
-  if (0 < deltaY) {ModifyDragRange(-dragRangeDelta);}
+  if (deltaY < 0) {ModifyDragRange(-dragRangeDelta);}
+  if (0 < deltaY) {ModifyDragRange(dragRangeDelta);}
+  lastWheeling = new Date().getTime();
   Redraw();
   window.setTimeout(function() { Redraw(); }, 100);
-});
+}, {passive: true});
 
 document.addEventListener("keydown", (event) => { 
   if (event.code == "BracketLeft") { ModifyDragRange(-dragRangeDelta); }