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ghcjs canvas example
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<!DOCTYPE html> | |
<html> | |
<head> | |
<script language="javascript" src="lib.js"></script> | |
<script language="javascript" src="rts.js"></script> | |
<script language="javascript" src="lib1.js"></script> | |
<script language="javascript" src="out.js"></script> | |
</head> | |
<body> | |
<canvas id="mycanvas" width="600" height="400"></canvas> | |
</body> | |
<script language="javascript"> | |
var c = document.getElementById("mycanvas"); | |
window.ctxt = c.getContext("2d"); | |
h$main(h$mainZCMainzimain); | |
</script> | |
</html> |
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import Control.Concurrent | |
import JavaScript.Canvas | |
import System.Random | |
main = do | |
putStrLn "test" | |
let go = do | |
x1 <- randomIO :: IO Double | |
y1 <- randomIO :: IO Double | |
x2 <- randomIO :: IO Double | |
y2 <- randomIO :: IO Double | |
moveTo (500*x1) (500*y1) | |
lineTo (500*x2) (500*y2) | |
stroke | |
threadDelay 200000 | |
go | |
go |
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