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small changes

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more reference:
http://www.haskell.org/haskellwiki/Gtk2Hs/Demos/GtkGLext/terrain.hs
This commit is contained in:
Nicole Dresselhaus 2013-12-23 00:56:34 +01:00
parent 26fc2dc711
commit f23ef3cadb
1 changed files with 14 additions and 4 deletions
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18
src/Main.hs
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@ -8,16 +8,24 @@ import Graphics.Rendering.OpenGL as GL
animationWaitTime = 3 animationWaitTime = 3
-- OpenGL polygon-function for drawing stuff. -- OpenGL polygon-function for drawing stuff.
display :: IO ()
display = do display = do
loadIdentity loadIdentity
color (Color3 1 1 1 :: Color3 GLfloat) color (Color3 1 0.5 0.5 :: Color3 GLfloat)
-- Instead of glBegin ... glEnd there is renderPrimitive. -- Instead of glBegin ... glEnd there is renderPrimitive.
renderPrimitive Polygon $ do
vertex (Vertex3 (-1.0) (-1.0) 0.0 :: Vertex3 GLfloat)
vertex (Vertex3 (1.0) (-1.0) 0.0 :: Vertex3 GLfloat)
vertex (Vertex3 (1.0) (1.0) 0.0 :: Vertex3 GLfloat)
vertex (Vertex3 (-1.0) (1.0) 0.0 :: Vertex3 GLfloat)
color (Color3 1 1 1 :: Color3 GLfloat)
renderPrimitive Polygon $ do renderPrimitive Polygon $ do
vertex (Vertex3 0.25 0.25 0.0 :: Vertex3 GLfloat) vertex (Vertex3 0.25 0.25 0.0 :: Vertex3 GLfloat)
vertex (Vertex3 0.75 0.25 0.0 :: Vertex3 GLfloat) vertex (Vertex3 0.75 0.25 0.0 :: Vertex3 GLfloat)
vertex (Vertex3 0.75 0.75 0.0 :: Vertex3 GLfloat) vertex (Vertex3 0.75 0.75 0.0 :: Vertex3 GLfloat)
vertex (Vertex3 0.25 0.75 0.0 :: Vertex3 GLfloat) vertex (Vertex3 0.25 0.75 0.0 :: Vertex3 GLfloat)
main :: IO () main :: IO ()
main = do main = do
Gtk.initGUI Gtk.initGUI
@ -34,7 +42,7 @@ main = do
-- Create an OpenGL drawing area widget -- Create an OpenGL drawing area widget
canvas <- GtkGL.glDrawingAreaNew glconfig canvas <- GtkGL.glDrawingAreaNew glconfig
Gtk.widgetSetSizeRequest canvas 250 250 Gtk.widgetSetSizeRequest canvas 500 350
-- Initialise some GL setting just before the canvas first gets shown -- Initialise some GL setting just before the canvas first gets shown
-- (We can't initialise these things earlier since the GL resources that -- (We can't initialise these things earlier since the GL resources that
@ -83,8 +91,10 @@ main = do
Gtk.containerChild := exitButton Gtk.containerChild := exitButton
] ]
Gtk.onClicked button (putStrLn "Hello World") Gtk.afterClicked button (putStrLn "Hello World")
Gtk.onClicked exitButton Gtk.mainQuit Gtk.afterClicked exitButton Gtk.mainQuit
Gtk.onDestroy window Gtk.mainQuit Gtk.onDestroy window Gtk.mainQuit
Gtk.widgetShowAll window Gtk.widgetShowAll window
Gtk.mainGUI Gtk.mainGUI