PACMAN KATA
Progressive F# Tutorials NYC
2013
Brandewinder & Trelford

PACMAN KATA
Pacman finds himself in a grid filled with
monsters.
Will he be able to eat all the dots on the board
before the monsters eat him?
• pacman is on a grid filled with dots
• pacman has a direction
• pacman moves on each tick
• user can rotate pacman
• pacman eats dots

SESSION
OVERVIEW
• Test Driven Pacman
• Wrapping/Scoring
• Cross Platform
• .Net/Mono/JS
• Game development 101
• Input/AI/Rendering
• Tasks
• Pacman has a direcation
• Ghosts navigate maze

TEST DRIVEN PACMAN
Progressive F# Tutorials NYC
2013
Brandewinder & Trelford

PACMAN WRAPS AROUND
open NUnit.Framework
[<Test>]
let ``pacman should wrap from right to left`` () =
// ...
[<Test>]
let ``pacman should wrap from left to right`` () =
// ...

PACMAN EATS STUFF
Scenario: Pacman eats dots
When pacman eats a pac-dot
Then he scores 10
Scenario: Pacman eats power pellets
When pacman eats a power pellet
Then he scores 50
Scenario Outline: Pacman eats ghosts
Given the ghosts are vulnerable
When pacman eats <ghost> in succession
Then he scores <points>
Examples:
| ghost | points |
| 1 | 200 |
| 2 | 400 |
| 3 | 800 |
| 4 | 1600 |

CROSS PLATFORM F#
Progressive F# Tutorials NYC
2013
Brandewinder & Trelford

CROSS PLATFORM F#
.Net
• Windows
• Windows Store
• Windows Phone
Mono
• Mac
• Linux
• iOS
• Android
• Ouya
• Playstation Vita
JS
• Chrome/IE
• iOS
• Android
• Blackberry
• Windows Phone
• Windows Store

APPS
Path to Go | XBLA Pissed off Owls| iOS Pool | WebGL

FRAMEWORKS FOR GAMES
• .Net
• WPF/Silverlight/WinRTXAML
• .Net/Mono
• XNA/MonoGameXNA
• F# to JS Compilation
• WebSharper/FunScriptHTML5

GAME PROGRAMMING
101
Progressive F# Tutorials NYC
2013
Brandewinder & Trelford

GAME LOOP
User
Input
Logic
Collision
Detection
Score
Render

GAME TASKS
Progressive F# Tutorials NYC
2013
Brandewinder & Trelford

TOO MUCH INPUT
Event Sample

EVERY WHICH WAY
forward
turn
forward

WHATEVER NEXT
Progressive F# Tutorials NYC
2013
Brandewinder & Trelford

MAKE GAMES
Steps:
1. Enter game jams or join 1 game a month
2. Publish your indie game
3. Make $$$
4. Go to 1