Getting Started with Unity 5.x 2D Game Development

Difference between world coordinates and local coordinates

Every game object in Unity has a position, but a position needs a reference frame (more about reference frames later in Chapter 5, The Secret Ingredient Is a Dash of Physics). In particular, Unity offers two ways to see (and set) coordinates:

• World coordinates: These are absolute coordinates of where the game object is located (by absolute, I mean with respect to the world frame, which is considered to be absolute in the game)
• Local coordinates: These are the coordinates of where the game object is with respect to its parent

You can easily switch between the two coordinates with a toggle in the upper-right part of the Unity interface, as shown in the following screenshot:

As shown in the preceding ...