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Monthly Downloads: 9
Programming language: Haskell
License: MIT License
Tags: Game    

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README

Piyo🐤

Haskell game engine like fantasy console. Inspired by PICO-8.

[](pictures/piyo.png)

NOTE: UNDER DEVELOPMENT

Feature

  • minimum but simple api
  • pure update funciton
  • japanease bitmap font support

It supports PICO-8 like drawing api.

Assuming Specification

For now below.

  • display: 192x192
  • sprite size: 12x12
  • map size: 16x16

Requirements

SDL2 needed.

For OS X

Install middle wares with homebrew.

brew install sdl2 sdl2_gfx sdl2_image sdl2_mixer sdl2_ttf

For others

It may work ..!

Minimal code

import Piyo

instance Game () where
    draw _ =
        [ cls Yellow
        , txt Black "Hello, World!" 48 48
        ]

main :: IO ()
main = piyo () Nothing

[](pictures/demo.png)

Data Flow Schematic

Functions are called in order update, draw, sound every frame.

[](pictures/flow.svg)

Indexing

Index number starts with 0. Not 1.

Examples

Sample working code at [Examples](examples)

Development in the future

  • Redesign assets format
  • Enrich sound api
  • Add useful state update functions
  • FPS management
  • Support ore key action
  • Sprite and map editor
  • Export function for distribution
  • etc...