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| author | makamys <makamys@outlook.com> | 2022-06-08 23:12:52 +0200 |
|---|---|---|
| committer | makamys <makamys@outlook.com> | 2022-06-08 23:37:36 +0200 |
| commit | aa4ef7da768ea2f2f3c4e025d28fe3edb2ae4ea9 (patch) | |
| tree | a092af7056cfb6967873251fadd2ae8db8a1295d /src/main/resources/shaders/chunk.vert | |
| parent | 39bbc34b7f9ce1cad8889c4e9c5a082b223574e3 (diff) | |
| download | Neodymium-aa4ef7da768ea2f2f3c4e025d28fe3edb2ae4ea9.tar.gz Neodymium-aa4ef7da768ea2f2f3c4e025d28fe3edb2ae4ea9.tar.bz2 Neodymium-aa4ef7da768ea2f2f3c4e025d28fe3edb2ae4ea9.zip | |
Optimize fog
Now it gets me as much FPS as no fog! (370 fps; prior to this commit
fog reduced it to 230)
Diffstat (limited to 'src/main/resources/shaders/chunk.vert')
| -rw-r--r-- | src/main/resources/shaders/chunk.vert | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/main/resources/shaders/chunk.vert b/src/main/resources/shaders/chunk.vert index 9901ef3..75ee0ab 100644 --- a/src/main/resources/shaders/chunk.vert +++ b/src/main/resources/shaders/chunk.vert @@ -20,6 +20,7 @@ out vec4 Viewport; out mat4 ProjInv; out vec4 FogColor; out vec2 FogStartEnd; +out float FogFactor; void main() { @@ -30,5 +31,14 @@ void main() Viewport = viewport; ProjInv = projInv; FogColor = fogColor; + + float s = fogStartEnd.x; + float e = fogStartEnd.y; + vec4 eyePos = (modelView * (vec4(aPos - playerPos, 1.0) + vec4(0, 0.12, 0, 0))); + + float fogFactor = clamp((e - length(eyePos)) / (e - s), 0, 1); + + FogFactor = fogFactor; + FogStartEnd = fogStartEnd; }
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