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I have implemented a 2D tilemap with units running around on top and added a Camera2D to enable zooming, panning, etc. The node structure is as follows:
+ Root node (type Node)
+ Unit 1
+ Unit 2
The TileMap is added dynamically at startup and the units are added as needed
Now, I would like to add UI buttons at the edges of the screen that are fixed in position and are not zoomable. When I add the buttons at the same level as everything else, then they grow and shrink along with the tilemap and units and move around.
How can I arrange it so that the buttons are fixed in position on screen and not zoomable while the tilemap remains zoomable and pannable in the background?