unless status $
get (shaderInfoLog shader) >>= fail . ("shader failed " ++)
attachShader program shader
-
-perspective' :: Float -> Float -> Float -> Float -> IO (GLmatrix Float)
-perspective' fov aspect zNear zFar =
- let f = 1.0 / tan(fov)
- in newMatrix RowMajor
- [f / aspect, 0, 0, 0,
- 0, f, 0, 0,
- 0, 0, (zNear + zFar) / (zNear - zFar), -1,
- 0, 0, (2 * zFar * zNear) / (zNear - zFar), 0]