blob: 3f4995be0291cbf1e23e71fd2b116a90b8ebb9f9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
lineVertexStream = fetchArrays ((concat $
[[V3 i (-3.0) 0.0, V3 i 3.0 0.0] | i <- [(-5.0)..5.0] ]))
clear = FrameBuffer $ (DepthImage @1 1000, ColorImage @1 white) -- ...
lines = LineCtx 1.0 LastVertex
colorFragmentCtx = (DepthOp Less True, ColorOp NoBlending (V4 True True True True))
m = Uniform "Mouse" :: Vec 2 Float
rasterizeWith = rasterizePrimitives
mapFragments22 s fs = accumulate colorFragmentCtx (\((a)) -> ((fs a))) s clear
transform s f = mapPrimitives (\((p)) -> let v = v3FToV4F p in (f v, v)) s
trans :: Vec 4 Float -> Vec 4 Float
trans (V4 x y _ _) = V4 (k * sin (s * x + r * y)) y (k * cos (s * x + r * y)) 1.0
where
k = 2 * m%y
s = 0.7
r = m%x
rotate' v = (Uniform "MVP" :: Mat 4 4 Float) *. v
main = lineVertexStream
`transform` ((scale 0.1 . rotate') . trans)
& rasterizeWith lines ((Smooth))
`mapFragments22` id
& ScreenOut
|