Setting custom mouse cursors for UI controls

The previous recipe demonstrated how to change the mouse pointer for 2D and 3D GameObjects receiving OnMouseEnter and OnMouseExit events. Unity UI controls do not receive OnMouseEnter and OnMouseExit events. Instead, UI controls can be made to respond to PointerEnter and PointerExit events if we add a specialEvent Trigger component to the UI GameObject. In this recipe, we'll change the mouse pointer to a custom magnifying glass cursor when it moves over a UI Button GameObject:

Getting ready

For this recipe, we'll use the same asset files as for the previous recipe, and its CustomCursorPointer C# script class, all of which can be found in the02_07folder.

How to do it...

To set a custom mouse pointer when the mouse moves over a UI control GameObject, do the following:

1. Create a new Unity 2D project.
2. Import the provided IconsCursors folder. Select all three images in theProjectpanel, and in theInspectorchange theTexture TypetoCursor. This will allow us...