node implementation on spawn areas

src/area/spawn-area.zig

@@ -34,6 +34,13 @@ pub const SpawnArea = struct {
         };
     }
 
+    pub fn getNodeLocation(self: *const SpawnArea) rl.Vector2 {
+        return rl.Vector2{
+            .x = self.location.x + @as(f32, @floatFromInt(self.width)) * globals.getScale() / 2.0,
+            .y = self.location.y + @as(f32, @floatFromInt(self.height)) * globals.getScale() / 2.0,
+        };
+    }
+
     pub fn draw(self: *const SpawnArea) void {
         const rect = rl.Rectangle{
             .x = self.location.x,
@@ -42,6 +49,5 @@ pub const SpawnArea = struct {
             .height = @as(f32, @floatFromInt(self.height)) * globals.getScale(),
         };
         rl.drawRectangleRec(rect, .dark_gray);
-        // todo draw cars
     }
 };