Fix camera pan (#673)

* Fix some literal edge cases

* Fixed for fullscreen

src/js/game/camera.js

@@ -862,6 +862,10 @@ export class Camera extends BasicSerializableObject {
      * @param {number} dt
      */
     internalUpdateMousePanning(now, dt) {
+        if (!this.root.app.focused) {
+            return;
+        }
+
         if (!this.root.app.settings.getAllSettings().enableMousePan) {
             // Not enabled
             return;
@@ -882,10 +886,10 @@ export class Camera extends BasicSerializableObject {
         }
 
         if (
-            mousePos.x < 0 ||
-            mousePos.y < 0 ||
-            mousePos.x > this.root.gameWidth ||
-            mousePos.y > this.root.gameHeight
+            mousePos.x <= 0 ||
+            mousePos.y <= 0 ||
+            mousePos.x >= this.root.gameWidth ||
+            mousePos.y >= this.root.gameHeight
         ) {
             // Out of screen
             return;

src/js/game/hud/parts/shape_viewer.js

@@ -48,6 +48,10 @@ export class HUDShapeViewer extends BaseHUDPart {
         this.close();
     }
 
+    isBlockingOverlay() {
+        return this.visible;
+    }
+
     /**
      * Called when the copying of a key was requested
      */