DOJO Note for Unity FPS

NOTE: This is not a full unity project with scenes and assets, but notes and example scrips

The scrips and steps are based on tutorials from Wireframe Magazine. https://wireframe.raspberrypi.org/issues

Issue 3, Issue 5

Scripts

Steps for Issue 3

The following steps broadly follow the Issue 3 artcle, but with lots fo details missed out.

Adding a Player

1. Install Unity - https://unity3d.com/get-unity/download
2. Create new project, select template 3d.
3. Add Player
   1. Add a 3d object of type capsule
   2. Rename to Player
   3. Move Main Camera into Player
   4. Reset position Main Camera so it sits inside player
   5. Set Main Camera to be higher so it simulats players eyes in head
4. Add Player base movement script
   1. In Project window add a Scripts directory in Assets
   2. Add a script and name it PlayerMovement. ** Unity expects the class name and file name to match or it goes wonky **
   3. Double click to open in Visual Studio
   4. Copy the example PlayerMovement code into this new file
   5. Save the script in Visual Studio
   6. In Unity drag the script onto the Player Capsule
   7. Note the component in the inspector view for the Player object.
5. Click the play button, escape to exit
6. Add Ground
   1. Add a 3d object of type plane
   2. Rename it to Ground
   3. Move it down by changing the Y in inspector
   4. Make it bigger by changing the X and Y scale in inspector (10 for now)
7. Click the play button, escape to exit
8. Fixing jump
   1. Add RigidBody component to the Player
9. Click the play button, escape to exit
   1. Try jumping and turning at the same time.
   2. Player may fall over.
10. Fix falling over
    1. In inspector, got to the Rigid Body component, Constraints.
    2. Check the Freeze Rotation x and z
11. Click the play button, escape to exit
    1. Try jumping and turning at the same time.
    2. Player may fall over.

Adding a Cube to look at

1. Add a Cube of type Cube
2. Rename in Wall
3. Select the scene view
4. Use the Gizmo arrows to drag it around
5. Use inspector to change the scale and fine tune its possition
   1. Scale 10, 4, 1
   2. Position 0, 1, 6
6. In Project window add a Materials directory in Assets
7. Add new material in here, name it something appropriate BlueWall
8. Set the materials color.
9. Drag material onto Wall
10. Click the play button, escape to exit
    1. Notice we can't look around using the mouse.

Add looking around

1. In the scrpts folder add a new script
2. Name it MouseLook
3. Double click to open in Visual Studio 4. Copy the example MouseLook code into this new file 5. Save the script in Visual Studio 6. In Unity drag the script onto the Camera Capsule
4. Click the play button, escape to exit
   1. Notice we can't look around using the mouse.

Add a weapon

1. Right click the Player in Hierachy view and click add Empty Object
2. Rename it Weapon
3. Right click the Hierachy view and click add Empty Object
4. Rename it Projectile
5. Right click the Projectile in Hierachy view and click add Capsule Object
6. Rename it Bullet
7. Using inspector rotate the it 90 degrees in the x axis
8. Using inspector scale it .1 on x, y and z
9. Add new material in the materials director, name it something appropriate RedBullet
10. Set the materials color.
11. Drag material onto Bullet
12. In the scrpts folder add a new script
13. Name it ProjectileMovement
14. Double click to open in Visual Studio
    1. Copy the example ProjectileMovement code into this new file
    2. Save the script in Visual Studio
    3. In Unity drag the script onto the Projectile object
15. In Project window add a Scripts directory in Prefabs
16. In the scrpts folder add a new script
17. Name it ActivateProjectile
18. Double click to open in Visual Studio
    1. Copy the example ActivateProjectile code into this new file
    2. Save the script in Visual Studio
    3. In Unity drag the script onto the Weapon Object