ranges done, cool stuff

src/engine/utility/camera.cpp

@@ -1,7 +1,6 @@
 //
 // Created by m on 12/11/21.
 //
-
 #include "camera.hpp"
 
 Rectangle Camera::get_bounds() {
@@ -31,3 +30,16 @@ Point Camera::camera_coords_to_screen_coords(Point camera_coord) {
     auto bounds = get_bounds();
     return Point{camera_coord.x-bounds.x, camera_coord.y-bounds.y};
 }
+
+ranges::any_view<Point> Camera::get_range() {
+    auto bounds = get_bounds();
+    int height = bounds.height;
+    int width = bounds.width;
+    int miny = bounds.y;
+    int minx = bounds.x;
+    return ranges::views::iota(miny, height) | ranges::views::transform([width, minx](int y) {
+        return ranges::views::iota(minx, width) | ranges::views::transform([y](int x) {
+            return Point{x,y};
+        });
+    }) | ranges::views::join;
+}