Hover health bar settings for the UI Manager component.

1. Enable: When enabled, hovering the mouse over units/buildings will display a health bar over them.
2. Player Faction Only: When enabled, then the hover health bar will only appear for player friendly units and buildings.
3. Health Bar Canvas: The hover health bar is placed in another canvas that has “World Space” in the “Render Mode” and that has the Hover Health Bar component attached to it.
4. Hover Health Bar: Add both an empty and a full health bars as child UI objects of the above canvas.