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Render floor

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This commit is contained in:
Matthias Schiffer 2010-02-25 03:48:17 +01:00
parent c23e63e667
commit 656b5e8bc1
1 changed files with 39 additions and 6 deletions
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45
Render.hs
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@ -18,12 +18,14 @@ import qualified Data.Map as M
import Bindings.GLPng
import Graphics.Rendering.OpenGL.GL (($=), GLfloat, GLdouble)
import Graphics.Rendering.OpenGL.GL (($=), GLfloat, GLdouble, Capability(..))
import Graphics.Rendering.OpenGL.GL.BeginEnd (renderPrimitive, PrimitiveMode(..))
import Graphics.Rendering.OpenGL.GL.CoordTrans (matrixMode, MatrixMode(..), viewport, Position(..), Size(..), loadIdentity, ortho)
import Graphics.Rendering.OpenGL.GL.Framebuffer (clear, ClearBuffer(..))
import Graphics.Rendering.OpenGL.GL.Texturing.Objects (TextureObject(..))
import Graphics.Rendering.OpenGL.GL.Texturing.Application (texture)
import Graphics.Rendering.OpenGL.GL.Texturing.Objects (textureBinding, TextureObject(..))
import Graphics.Rendering.OpenGL.GL.Texturing.Parameters (Repetition(..), Clamping(..), TextureFilter(..), MinificationFilter, MagnificationFilter)
import Graphics.Rendering.OpenGL.GL.Texturing.Specification (TextureTarget(..))
import Graphics.Rendering.OpenGL.GL.VertexSpec
@ -78,15 +80,46 @@ render = do
tank <- liftM head $ gets tanks
let x = fromReal . posx $ tank
y = fromReal . posy $ tank
(lw, lh) <- gets level >>= \l -> return (fromIntegral . levelWidth $ l :: GLfloat, fromIntegral . levelHeight $ l :: GLfloat)
textureWood <- getTexture TextureWood
liftIO $ do
clear [ColorBuffer]
loadIdentity
texture Texture2D $= Enabled
textureBinding Texture2D $= Just textureWood
renderPrimitive Quads $ do
vertex $ Vertex2 (x-0.5 :: GLfloat) (y-0.5 :: GLfloat)
vertex $ Vertex2 (x-0.5 :: GLfloat) (y+0.5 :: GLfloat)
vertex $ Vertex2 (x+0.5 :: GLfloat) (y+0.5 :: GLfloat)
vertex $ Vertex2 (x+0.5 :: GLfloat) (y-0.5 :: GLfloat)
texCoord $ TexCoord2 (0 :: GLfloat) (0 :: GLfloat)
vertex $ Vertex2 (-0.5*lw) (-0.5*lh)
texCoord $ TexCoord2 0 lw
vertex $ Vertex2 (-0.5*lw) (0.5*lh)
texCoord $ TexCoord2 lh lw
vertex $ Vertex2 (0.5*lw) (0.5*lh)
texCoord $ TexCoord2 lh (0 :: GLfloat)
vertex $ Vertex2 (0.5*lw) (-0.5*lh)
texture Texture2D $= Disabled
renderPrimitive Quads $ do
texCoord $ TexCoord2 (0 :: GLfloat) (0 :: GLfloat)
vertex $ Vertex2 (x-0.5 :: GLfloat) (y-0.5 :: GLfloat)
texCoord $ TexCoord2 (0 :: GLfloat) (1 :: GLfloat)
vertex $ Vertex2 (x-0.5 :: GLfloat) (y+0.5 :: GLfloat)
texCoord $ TexCoord2 (1 :: GLfloat) (1 :: GLfloat)
vertex $ Vertex2 (x+0.5 :: GLfloat) (y+0.5 :: GLfloat)
texCoord $ TexCoord2 (1 :: GLfloat) (0 :: GLfloat)
vertex $ Vertex2 (x+0.5 :: GLfloat) (y-0.5 :: GLfloat)
fromReal :: (Real a, Fractional b) => a -> b
fromReal = fromRational . toRational