Augmented Reality for Developers

Adding the scale button and script

First, let's add the ScaleButton prefab to the toolbar:

1. From Assets/SimpleIcons/Prefabs/ drag the ScaleButton prefab into Hierarchy as a child of Toolbar.
2. Set its Transform Position X to −0.15.

If you are not using the SimpleIcons package we provided, you can just add a cube with the scale (0.1, 0.1, 0.04), and name it ScaleButton.

3. Now let's write the ScaleTool.cs script for the button. In your Scripts folder, create a new C# script, name it ScaleTool, and open it for editing.

First, we will capture an initial pinch-gesture, much like the OnInputClicked we used before, to begin editing. We will also define the completed or cancelled events for when we are done editing.

4. 1. Start to write the script as ...