1 files changed, 34 insertions, 0 deletions
diff --git a/opendc-web/opendc-web-ui/src/components/app/map/groups/GridGroup.js b/opendc-web/opendc-web-ui/src/components/app/map/groups/GridGroup.js
new file mode 100644
index 00000000..ebc00244
--- /dev/null
+++ b/opendc-web/opendc-web-ui/src/components/app/map/groups/GridGroup.js
@@ -0,0 +1,34 @@
+import React from 'react'
+import { Group, Line } from 'react-konva'
+import { GRID_COLOR } from '../../../../util/colors'
+import { GRID_LINE_WIDTH_IN_PIXELS, MAP_SIZE, MAP_SIZE_IN_PIXELS, TILE_SIZE_IN_PIXELS } from '../MapConstants'
+
+const MAP_COORDINATE_ENTRIES = Array.from(new Array(MAP_SIZE), (x, i) => i)
+const HORIZONTAL_POINT_PAIRS = MAP_COORDINATE_ENTRIES.map((index) => [
+    0,
+    index * TILE_SIZE_IN_PIXELS,
+    MAP_SIZE_IN_PIXELS,
+    index * TILE_SIZE_IN_PIXELS,
+])
+const VERTICAL_POINT_PAIRS = MAP_COORDINATE_ENTRIES.map((index) => [
+    index * TILE_SIZE_IN_PIXELS,
+    0,
+    index * TILE_SIZE_IN_PIXELS,
+    MAP_SIZE_IN_PIXELS,
+])
+
+const GridGroup = () => (
+    <Group>
+        {HORIZONTAL_POINT_PAIRS.concat(VERTICAL_POINT_PAIRS).map((points, index) => (
+            <Line
+                key={index}
+                points={points}
+                stroke={GRID_COLOR}
+                strokeWidth={GRID_LINE_WIDTH_IN_PIXELS}
+                listening={false}
+            />
+        ))}
+    </Group>
+)
+
+export default GridGroup