Update src/core/environment.js

Co-authored-by: Copilot <[email protected]>

Author: hxrshxz

src/core/environment.js

@@ -790,7 +790,11 @@ p5.prototype._onresize = function(e) {
     ) {
       this._updateNextMouseCoords(evt);
     }
-    // Otherwise, do not update mouse coordinates, as the last event's coordinates may be stale
+    // Otherwise, do not update mouse coordinates. In this case, the mouse coordinates
+    // retain their previous values, which may not reflect the current mouse position.
+    // This can occur if the window is resized without a recent mouse event (e.g., if the
+    // user resizes the window without moving the mouse). The coordinates remain unchanged
+    // until the next valid mouse event is received.
   }
   const context = this._isGlobal ? window : this;
   let executeDefault;