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try-purescript sprites (flare backend)
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module Main where | |
import Prelude | |
import Data.Array | |
import Data.Foldable | |
import Data.Int (toNumber) | |
import Data.Maybe | |
import Signal.DOM (animationFrame) | |
import Flare | |
import Flare.Drawing | |
chameleonBitmap :: Array Int | |
chameleonBitmap = | |
[ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
, 0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,1,1,1,0,0,0 | |
, 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,1,0,1,1,1,1,0,0 | |
, 1,1,0,0,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,0 | |
, 1,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 | |
, 1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,0,0,0,1 | |
, 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,1,1,1 | |
, 0,0,0,0,0,0,1,1,1,0,1,1,1,1,0,1,1,1,0,1,1,1,0,0 | |
, 0,0,0,0,0,1,1,0,0,1,0,0,0,0,1,0,0,1,0,0,0,0,0,0 | |
, 0,0,0,0,1,1,0,0,0,0,1,0,0,0,1,0,0,0,1,1,1,0,0,0 | |
, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
] | |
chameleonGreen :: Array Color | |
chameleonGreen = colorize green <$> chameleonBitmap | |
colorize :: Color -> Int -> Color | |
colorize c 1 = c | |
colorize _ _ = black | |
indexToXY :: X -> Int -> XY | |
indexToXY width i = { x: i `mod` width, y: i/width } | |
spriteAnimation :: Number -> Drawing | |
spriteAnimation time = do | |
fold (mapWithIndex (pixy <<< indexToXY width) chameleonGreen) | |
where | |
width = 3*8 | |
main = runFlareDrawing "controls" "canvas" ui | |
where ui = spriteAnimation <$> lift animationFrame | |
---------------------------------------------------------------------------- | |
red = rgb 255 0 0 | |
green = rgb 0 255 0 | |
---------------------------------------------------------------------------- | |
pixy :: XY -> Color -> Pixel | |
pixy { x, y } color = pix x y color | |
pix x y col = filled (fillColor col) (rectangle (toNumber (20*x)) (toNumber (20*y)) 20.0 20.0) | |
type Pixel = Drawing | |
type X = Int | |
type Y = Int | |
type XY = { x :: X, y :: Y } |
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