Graphics.X11.Turtle

Documentation

data Field

data Turtle

openField :: IO Field

closeField :: Field -> IO ()

newTurtle :: Field -> IO Turtle

killTurtle :: Turtle -> IO ()

forward, backward :: Turtle -> Double -> IO ()

left, setheading, right :: Turtle -> Double -> IO ()

goto :: Turtle -> Double -> Double -> IO ()

setx, sety :: Turtle -> Double -> IO ()

home :: Turtle -> IO ()

circle :: Turtle -> Double -> IO ()

undo :: Turtle -> IO ()

position :: Turtle -> IO (Double, Double)

xcor, ycor :: Turtle -> IO Double

heading :: Turtle -> IO Double

towards :: Turtle -> Double -> Double -> IO Double

distance :: Turtle -> Double -> Double -> IO Double

penup, pendown :: Turtle -> IO ()

isdown :: Turtle -> IO Bool

bgcolor :: ColorClass c => Field -> c -> IO ()

rgbToColor :: Double -> Double -> Double -> Color

pencolor :: ColorClass c => Turtle -> c -> IO ()

data Color

Constructors

ColorName

Fields

colorName :: String

RGB

Fields

colorRed :: Word8

colorGreen :: Word8

colorBlue :: Word8

Instances

Read Color

Show Color

pensize :: Turtle -> Double -> IO ()

clear :: Turtle -> IO ()

hideturtle, showturtle :: Turtle -> IO ()

isvisible :: Turtle -> IO Bool

shape :: Turtle -> String -> IO ()

shapesize :: Turtle -> Double -> IO ()

degrees :: Turtle -> Double -> IO ()

radians :: Turtle -> IO ()

windowWidth, windowHeight :: Turtle -> IO Double

onclick :: Field -> (Int -> Double -> Double -> IO Bool) -> IO ()

onrelease :: Field -> (Double -> Double -> IO Bool) -> IO ()

ondrag :: Field -> (Double -> Double -> IO ()) -> IO ()

onkeypress :: Field -> (Char -> IO Bool) -> IO ()

waitField :: Field -> IO ()

xturtleVersion :: (Int, String)

write :: Turtle -> String -> Double -> String -> IO ()

getInputs :: Turtle -> IO [TurtleInput]

sendInputs :: Turtle -> [TurtleInput] -> IO ()

getSVG :: Turtle -> IO [SVG]

class ColorClass a

Instances

ColorClass String

(Integral r, Integral g, Integral b) => ColorClass (r, g, b)