blob: 94587058024a4f1b728c42aedd70d2afdd0b158a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
<script>
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;
let left;
let right;
let top;
let bottom;
let timer;
const fetchItems = function fetchItems(left, top, right, bottom) {
clearTimeout(timer);
timer = setTimeout(() => {
sensor.set({ left, top, right, bottom });
}, 50);
};
$: {
if (browser) {
left = modulo($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>
|
