Begin building the game assets in Hierarchy. Under ImageTarget create a root object for our game named ThrowingGame and then we'll create ball game graphics under that:
- In Hierarchy with ImageTarget selected, create a child empty game object (Create | Create Empty), name it ThrowingGame.
- Reset its transform if necessary (Transform | gear-icon | Reset) (as you should any time you create an object in a scene so we start with a clean transform).
- With ThrowingGame selected, create an empty game object and name it BoxballGame.
- We're going to put the floor and goal into a Court parent object.
- In Hierarchy, with BoxballGame selected, create an empty object and name it Court.
For the floor plane, make a Unity 3D plane. Recall that ...