flickering triangle (rendering cube)

This commit is contained in:
tpajenka
2014-01-04 02:53:12 +01:00
parent a2c1effb48
commit 33b1ec5534
5 changed files with 56 additions and 29 deletions

View File

@ -47,9 +47,7 @@ lineHeight :: GLfloat
lineHeight = 0.8660254
numComponents :: Int
numComponents = 4 --color
+3 --normal
+3 --vertex
numComponents = 3
mapStride :: Stride
mapStride = fromIntegral (sizeOf (0.0 :: GLfloat)) * fromIntegral numComponents
@ -73,14 +71,14 @@ fgVertexIndex = (ToFloat, mapVertexArrayDescriptor 3 7) --vertex after normal
getMapBufferObject :: IO (BufferObject, NumArrayIndices)
getMapBufferObject = do
map' <- testmap
map' <- return $ generateTriangles map'
map' <- return $ generateCube --generateTriangles map'
putStrLn $ P.unlines $ P.map show (prettyMap map')
len <- return $ fromIntegral $ P.length map' `div` numComponents
putStrLn $ P.unwords ["num verts",show len]
bo <- genObjectName -- create a new buffer
bindBuffer ArrayBuffer $= Just bo -- bind buffer
withArray map' $ \buffer ->
bufferData ArrayBuffer $= (fromIntegral (sizeOf(P.head map')), buffer, StaticDraw)
bufferData ArrayBuffer $= (fromIntegral (P.length map' * sizeOf(P.head map')), buffer, StaticDraw)
checkError "initBuffer"
return (bo,len)
@ -88,6 +86,51 @@ prettyMap :: [GLfloat] -> [(GLfloat,GLfloat,GLfloat,GLfloat,GLfloat,GLfloat,GLfl
prettyMap (a:b:c:d:x:y:z:u:v:w:ms) = (a,b,c,d,x,y,z,u,v,w):(prettyMap ms)
prettyMap _ = []
generateCube :: [GLfloat]
generateCube = [ -- lower plane
-0.3,-0.3,-0.3,
0.3,-0.3,0.3,
0.3,-0.3,-0.3,
-0.3,-0.3,-0.3,
-0.3,-0.3,0.3,
0.3,-0.3,0.3,
-- upper plane
-0.3,0.3,-0.3,
0.3,0.3,0.3,
0.3,0.3,-0.3,
-0.3,0.3,-0.3,
-0.3,0.3,0.3,
0.3,0.3,0.3,
-- left plane
-0.3,-0.3,-0.3,
-0.3,0.3,0.3,
-0.3,-0.3,0.3,
-0.3,-0.3,-0.3,
-0.3,0.3,0.3,
-0.3,0.3,-0.3,
-- right plane
0.3,-0.3,-0.3,
0.3,0.3,0.3,
0.3,-0.3,0.3,
0.3,-0.3,-0.3,
0.3,0.3,0.3,
0.3,0.3,-0.3,
-- front plane
-0.3,-0.3,-0.3,
0.3,0.3,-0.3,
0.3,-0.3,-0.3,
-0.3,-0.3,-0.3,
0.3,0.3,-0.3,
-0.3,0.3,-0.3,
-- back plane
-0.3,-0.3,0.3,
0.3,0.3,0.3,
0.3,-0.3,0.3,
-0.3,-0.3,0.3,
0.3,0.3,0.3,
-0.3,0.3,0.3
]
generateTriangles :: PlayMap -> [GLfloat]
generateTriangles map' =
let ((xl,yl),(xh,yh)) = bounds map' in