Rotate Transform

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RyanGlScott edited this page Oct 9, 2014 · 3 revisions

{-# LANGUAGE OverloadedStrings #-}
module Main where

import Graphics.Blank

main :: IO ()
main = blankCanvas 3000 $ \ context -> do
    send context $ do
        let rectWidth = 150;
        let rectHeight = 75;
        translate(width context / 2, height context / 2);
        rotate (pi/4);

        fillStyle "blue";
        fillRect(rectWidth / (-2), rectHeight / (-2), rectWidth, rectHeight);