This repository accompanies Developing 2D Games with Unity: Independent Game Programming with C# by Jared Halpern (Apress, 2018).

Download the files as a zip using the green button, or clone the repository to your machine using Git.

Release v1.0 corresponds to the code in the published book, without corrections or updates.

See the file Contributing.md for more information on how you can contribute to this repository.

Credit: @omundy

After stopping the playing scene, add the animation for the player's idle state. From the Sprites folder, select the last two sprites from the Player32x32 sprite-sheet, titled: Player32x32_12 and Player32x32_13 and drag them onto the PlayerObject. When prompted by the Create New Animation save window, name the created animation-clip, "player-idle" and save to the Animations -> Animations folder.

In the Creating Tile Palettes section, the Tile Palette window in Unity 2018.3 is now located under Window -> 2D -> Tile Palette.

Credit: @omundy

Make sure to attach the RoundCameraPos script to the virtual camera object. Drag and drop the RoundCameraPos onto "CM vcam1".

Credit: @omundy

The interface has been updated in Unity 2018.3. The menu item "Edit Physics Shape" has been renamed to "Custom Physics Shape". After selecting Custom Physics Shape, click the "Generate" button on the right before editing.

Credit: @omundy

Create the GameObject in the hierarchy view (not project view).

Credit: @omundy

In the Assembling Our Item section, third paragraph, rename the Scriptable Object, "Coin" (not "Item").

Credit: @omundy

In the Player Collisions section, the first line of code section // 3, should be:

print("Hit: " + hitObject.objectName);

Credit: @omundy

Steps 10 and 11 are duplicates of step 3 and can be disregarded.

Credit: @omundy

Under the heading Create the HealthBar Script, right-click in the MonoBehaviours folder and create a new C# script called HealthBar."

Credit: @omundy

Ensure a copy of the HealthBarObject is in the Hierarchy view and select it. Add the HealthBar script this HealthBarObject. When working with the HealthBar in these next 3 pages (202-204), work with the copy of HealthBarObject in the Hierarchy view, not the copy in the Prefab folder. Make sure to apply changes when you're done, so the changes propagate to the Prefab.

Note: The location of the button to apply changes to a prefab has changed in Unity 2018. The button is now located in the top right of the Inspector, in a drop-down menu called Overrides.

Credit: @omundy

The property, Character Category which appears in the source and in Figure 6-22 may be disregarded, or used later on in your game to broadly distinguish between what is/isn't an enemy, or the player (or even an NPC) instead of creating a tag for each character type.

Credit: @omundy

With InventoryObject selected, in the Canvas Scaler component, set Reference Pixels Per Unit to 32.

Credit: @omundy

In the The DamageCharacter() method section, the code should be added to the Enemy class.

Credit: @omundy

In the Refactoring Prefab Instantiation section, remove all four lines from Start() and add them to the new ResetCharacter() override.

After you add the ResetCharacter() method to the Player class, add the following method

private void OnEnable() {
	ResetCharacter();
}

Credit: @omundy

You'll notice when you run into the enemies they spin. Like you did with the PlayerObject, check Freeze Rotation for the Z axis inside the Rigidbody2D on the EnemyObject prefab.

Credit: @omundy

In the Enemy Walk Animation section, select the Enemy prefab then open the Animator window as seen in Figure 8-3.