A simple one-level platform game. Developed as part of ELEC2645 at University of Leeds, spring 2015.

Dependencies:   N5110 PinDetect PowerControl mbed

An ARM mbed LPC1768 microcontroller have been used to develop a handheld arcade game in the style of an old-school platformer. This project is entirely my own independent work in all stages of the development; including design, defining project specifications, breadboard prototyping, schematic and PCB layout using CAD, assembly, testing and software development. Due to this being part of the ELEC2645 Embedded Systems Project module at University of Leeds, spring 2015, limitations were given on the available hardware components. Credit is due to the authors of the dependent libraries (N5110, Pin Detect, PowerControl and mbed). I would also like to thank the author of Game Programming Patterns as well as the authors of SFML Game Development for providing me with useful sources for programming design patterns.

/media/uploads/Siriagus/game_assembled.jpg

Project aims

  • Implement simple gameplay:
    • A single, fixed (no scrolling) level.
    • Player can move left to right, jump and shoot.
    • Enemies will drop from the top of the screen.
    • The player gets points for shooting enemies.
    • The player dies when it gets hits by an enemy.
  • Implement a simple menu system.
  • Enable the user to adjust the brightness of the display.
  • Output sound to enhance the user experience.

Software

The program flow is controlled by a finite state machine. The implemented design was inspired by the State design pattern from the books Game Programming Patterns and SFML Game Development. The StateManager class is responsible for updating and rendering the current selected state. It also changes the state based on request from the current state. The framework built for the state machine used in this project makes it easy to add new screens. The different main states (indicated by the background colour) and how the user interaction is shown below: /media/uploads/Siriagus/arcadegameuserinteraction.png

Hardware

Schematic:

/media/uploads/Siriagus/schematic.png

Printed circuit board (PCB):

/media/uploads/Siriagus/pcb.png

Images

A seperate program was written to convert images (png) to text-representation of the maps. Enemies and numbers on the screen are also collected from a sprite-sheet created in the same manner.

/media/uploads/Siriagus/unileeds3.png /media/uploads/Siriagus/newmap2.png

History

Fixed some formatting errors in documentation. default tip

2015-05-11, by Siriagus [Mon, 11 May 2015 04:40:23 +0000] rev 18

Fixed some formatting errors in documentation.


Added sound effects ++

2015-05-11, by Siriagus [Mon, 11 May 2015 03:52:18 +0000] rev 17

Added sound effects ++


Added wrapping (when entity goes outside the map, it enters on the other side).

2015-05-10, by Siriagus [Sun, 10 May 2015 13:14:33 +0000] rev 16

Added wrapping (when entity goes outside the map, it enters on the other side).


Enemy - bullet collison + entities can walk upwards slopes or climb walls with a height smaller than themselves.

2015-05-10, by Siriagus [Sun, 10 May 2015 09:37:51 +0000] rev 15

Enemy - bullet collison + entities can walk upwards slopes or climb walls with a height smaller than themselves.


Added function for generating random seed from two unconnected AnalogIn pins.

2015-05-09, by Siriagus [Sat, 09 May 2015 14:39:48 +0000] rev 14

Added function for generating random seed from two unconnected AnalogIn pins.


Expanded functionallity of drawImage - inverse, flipX, flipY. Collision test for all entities. Added simple enemy.

2015-05-09, by Siriagus [Sat, 09 May 2015 13:56:14 +0000] rev 13

Expanded functionallity of drawImage - inverse, flipX, flipY. Collision test for all entities. Added simple enemy.


Added template drawImage function which can draw images of any dimension.

2015-05-08, by Siriagus [Fri, 08 May 2015 23:51:26 +0000] rev 12

Added template drawImage function which can draw images of any dimension.


Added collision test for player

2015-05-08, by Siriagus [Fri, 08 May 2015 22:10:54 +0000] rev 11

Added collision test for player


Encapsluated PinDetect buttons in InputManager (made private)

2015-05-08, by Siriagus [Fri, 08 May 2015 14:39:36 +0000] rev 10

Encapsluated PinDetect buttons in InputManager (made private)


Player movement + bullets added

2015-05-03, by Siriagus [Sun, 03 May 2015 11:48:42 +0000] rev 9

Player movement + bullets added