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[rbdr/canvas] / src / lib / components / sensor.svelte

diff --git a/src/lib/components/sensor.svelte b/src/lib/components/sensor.svelte
index 3b7dfc2724643f177dff50bc18ed73b2d6a27a44..94587058024a4f1b728c42aedd70d2afdd0b158a 100644 (file)
--- a/src/lib/components/sensor.svelte
+++ b/src/lib/components/sensor.svelte
@@ -1,33 +1,33 @@
 <script>
 <script>

-  import { browser } from '$app/env';
-  import { maxSize } from '$lib/config';
-  import { canvas } from '$lib/stores/canvas';
-  import { sensor } from '$lib/stores/widgets';
+       import { browser } from '$app/environment';
+       import { maxSize } from '$lib/config';
+       import { modulo } from '$lib/math';
+       import { canvas } from '$lib/stores/canvas';
+       import { sensor } from '$lib/stores/widgets';

 
 

-  const kSensorSize = 2;
+       const kSensorSize = 2;

 
 

-  let left;
-  let right;
-  let top;
-  let bottom;
+       let left;
+       let right;
+       let top;
+       let bottom;

 
 

-  let timer;
-  const fetchItems = function fetchItems( left, top, right, bottom ) {
-    clearTimeout(timer);
+       let timer;
+       const fetchItems = function fetchItems(left, top, right, bottom) {
+               clearTimeout(timer);

                timer = setTimeout(() => {
                timer = setTimeout(() => {

-      sensor.set({ left, top, right, bottom });
+                       sensor.set({ left, top, right, bottom });

                }, 50);
                }, 50);

-  }
+       };

 
 

-  $: {
-    if (browser) {
-      left = $canvas.x - window.screen.width * kSensorSize;
-      top = $canvas.y - window.screen.height * kSensorSize;
-      right = $canvas.x + window.screen.width * kSensorSize;
-      bottom = $canvas.y + window.screen.height * kSensorSize;
-
-      fetchItems(left, top, right, bottom);
-    }
-  }
+       $: {
+               if (browser) {
+                       left = modulo($canvas.x - window.screen.width * kSensorSize, maxSize);
+                       top = modulo($canvas.y - window.screen.height * kSensorSize, maxSize);
+                       right = left + 2 * window.screen.width * kSensorSize;
+                       bottom = top + 2 * window.screen.height * kSensorSize;

 
 

+                       fetchItems(left, top, right, bottom);
+               }
+       }

 </script>
 </script>