Unity 2D video game development tutorial. Ninja Cat Flyer, derived from Kirill Muzykov’s Rocket Mouse Tutorial: http://www.raywenderlich.com/69392/make-game-like-jetpack-joyride-unity-2d-part-1

1. Derived from Kirill Muzykov’s Rocket Mouse Tutorial
http://www.raywenderlich.com/69392/make-game-like-jetpack-joyride-unity-2d-part-1
@shahedC
WakeUpAndCode.com

2. Getting Started
> Adding the Player
> Adding Code
> Ups & Downs
Effects & Objects

4. http://wakeupandcode.com/public_downloads/ms-UnityGameDev-
ShahedChowdhuri-Meetup-2014-06-11.pptx
http://WakeUpAndCode.com/u
http://cdn4.raywenderlich.com/wp-
content/uploads/2014/03/RocketMouse_Unity_Resources.zip

5. … then, click “Create”
Enter project location (empty folder)
… Select 2D…

6. Verify 2D in
Inspector
Click Edit  Project Settings  Editor

7. Select
“Main Camera”
in hierarchy
Verify
Transform
Position
(0, 0, -10)
Verify
“Orthographic”
Projection

8. In Project panel,
right-click
“Assets”
folder
Click Create, then Folder
Name it “Scenes”

9. Click File  Save Scene
Name your scene, click Save
Inside “Scenes” subfolder…

10. 1. In the Game panel…
2. Click the list of dimensions
3. Click [+] to “Add New Item”
1
2
3
1. Label it “Landscape”
2. Width & Height = 1136 x 640
3. Click OK.

11. Select Main Camera
in Hierarchy
Update Size to 3.2

13. Drag to Assets

14. Audio and Sprites
subfolders

15. Drag into Scene

16. Right-click
“Fly”
then click
Rename
Name it
“Cat”

17. Select “Cat”
in the
Hierarchy
In the Inspector panel,
update Position:
• X = 0
• Y = 0
• Z = 0

18. Click “Add Component”  Physics 2D  Circle Collider 2D

19. In the Inspector panel,
update Radius
for Circle Collider 2D
• Radius = 0.5

20. Click “Add Component”  Physics 2D  Rigidbody 2D

21. In the Inspector panel,
check “Fixed Angle”

22. The cat falls down!
Run

24. Right-click Assets, click Create  Folder Name it “Scripts”

25. Right-click Scripts, click Create  C# Script Name it “CatController”

26. Drag Script
to Cat
Verify Script Component

27. Click Edit  Preferences Under External Tools, select your Script Editor
e.g. MonoDevelop or Visual Studio
Tip: Browse for devenv.exe in your Program Files folder if you don’t see Visual Studio

28. Double-Click Script Name

29. Script should launch in MonoDevelop or Visual Studio

30. Class Begins {
} Class Ends

31. } Class Ends

32. From top menu, click File  Save
Or, click Ctrl S on your keyboard.

33. Make the cat jump up as it falls!
Run

35. Update Gravity
• X = 0
• Y = -15
Click Edit
Project Settings
Physics 2D

36. Does the cat stay down with more force?
Run

38. Click “Game Object”  Create Empty Verify Game Object
in Hierarchy

39. In Hierarchy tab,
• right-click empty Game Object
• click Rename
• name it “Floor”

40. With Floor selected in Hierarchy:
• Update Transform properties:
• Position:
• X = 0
• Y = -3.5
• Z = 0
• Scale:
• X = 14.4
• Y = 1
• Z = 1

41. Click “Add Component”  Physics 2D  Box Collider 2D

42. Green Box Collider for Floor
Floor is selected
in Hierarchy

43. Click “Game Object”  Create Empty Verify Game Object
in Hierarchy

44. In Hierarchy tab,
• right-click empty Game Object
• click Rename
• name it “Ceiling”

45. With Floor selected in Hierarchy:
• Update Transform properties:
• Position:
• X = 0
• Y = 3.7
• Z = 0
• Scale:
• X = 14.4
• Y = 1
• Z = 1

46. Click “Add Component”  Physics 2D  Box Collider 2D

47. Green Box Collider for Floor
Both are selected
in Hierarchy
Green Box Collider for Ceiling

48. The cat should stop at the ceiling and floor!
Run

50. Click “Game Object”  Create Other  Particle System

51. Verify Particle System
in HierarchyVerify Particle System
in Scene

52. Verify Particle System
is a child of Cat
Drag Particle System
to Cat in Hierarchy

53. Right-click
“Particle System”
then click
Rename
Name it
“jetpackFlames”

54. In the Inspector panel for jetpackFlames, update:
• Transform:
• Position:
• X = -0.62
• Y = -0.33
• Z = 0
• Rotation:
• X = 50
• Y = 270
• Z = 270
• Particle System
• Start Lifetime = 0.5
• Start Size = 0.3
• Start Color:
• RGB = 255, 135, 40
• Emission
• Rate = 300
• Shape
• Shape = Cone
• Angle = 12
• Radius = 0.1
• Random Direction 

55. 1. Scroll down,
then check
“Color over
Lifetime”
2. Click the color box
3. Select
top-right
slider
4. Set value
to 0 (zero)

56. Drag Mountains
into Scene

57. Drag Mountains
into Scene
Set Transform
Position:
• X = 0
• Y = 0
• Z = 0

58. Click to
Add Sorting Layer…
Select
Cat in
Hierarchy

59. Add Layers for
1. Background
2. Decorations
3. Objects
4. Player
Click + icon
to add each
new layer

60. Assign Sorting Layer
Select Player

61. Assign Sorting Layer
Select Background

62. Right-click Scripts, click Create  C# Script
Name it
“ParticleSortingLayerFix”

63. Drag Script
to jetpackFlames
Verify Script
Component

64. Double-Click
Script Name

65. Start() Begins {
} Start() Ends

66. Run