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Painless 2D vector graphics, animations and simulations.
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.travis @ 33cd528 update submodule 'travis-scripts' Oct 7, 2018
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README.md
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README.md

gloss

Build Status

Gloss hides the pain of drawing simple vector graphics behind a nice data type and a few display functions.

Example

Getting something on the screen is as easy as:

import Graphics.Gloss
main = display (InWindow "Nice Window" (200, 200) (10, 10)) white (Circle 80)

Explore and run the example projects using stack:

$ stack setup
$ stack build
$ stack exec gloss-boids

Usage

Once the window is open you can use the following:

  • Quit

    • esc-key
  • Move Viewport

    • arrow keys
    • left-click drag
  • Zoom Viewport

    • page up/down-keys
    • control-left-click drag
    • right-click drag
    • mouse wheel
  • Rotate Viewport

    • home/end-keys
    • alt-left-click drag
  • Reset Viewport

    • 'r'-key

More

  • Animations and simulations can be constructed similarly using the 'animate' and 'simulate' functions
  • Games with user input can be constructed with the 'play' function.
  • See the gloss-examples package for more.

PULL REQUESTS

As Gloss is now fairly stable, I typically make releases only when there is a new GHC version. If you have added a new feature or fixed a bug, and want your pull request merged sooner than that, then send email to benl AT ouroborus.net. I don't pay attention to github notifications, but am happy to receive emails from people. If you have changed any internal functionality then please test that all the gloss-examples still work before submitting your pull request.

If you just want to bump a dependency version then get a Hackage trustee to edit the package information directly on Hackage. You don't need to raise a pull request here.

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