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author | BuildTools <james.jenour@protonmail.com> | 2021-02-16 03:08:30 +0800 |
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committer | BuildTools <james.jenour@protonmail.com> | 2021-02-16 03:08:30 +0800 |
commit | a0e7d174472d034142003e58a42d6beefe36a92b (patch) | |
tree | 37fbdf5c5c3af3e85ed05e6e17d64207b2a6d8c9 /src/main/resources/assets/notenoughupdates/shaders/negative.frag | |
parent | 6024bdf69193ad216e95fca53d7d28746f4269e0 (diff) | |
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PRE21
Diffstat (limited to 'src/main/resources/assets/notenoughupdates/shaders/negative.frag')
-rw-r--r-- | src/main/resources/assets/notenoughupdates/shaders/negative.frag | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/src/main/resources/assets/notenoughupdates/shaders/negative.frag b/src/main/resources/assets/notenoughupdates/shaders/negative.frag deleted file mode 100644 index a601bd0c..00000000 --- a/src/main/resources/assets/notenoughupdates/shaders/negative.frag +++ /dev/null @@ -1,33 +0,0 @@ -#version 130 - -varying vec4 passColour; -varying vec3 passNormal; -uniform sampler2D textureIn; -varying vec4 passPosition; -uniform vec2 screensize; - -int a(float f) { - return int(round(f*1999)); -} - -void main() { - vec2 viewportCoord = gl_FragCoord.xy/screensize.xy; - vec4 texture = texture2D(textureIn, viewportCoord); - - int offsetFactor = a(viewportCoord.x)^a(viewportCoord.y); - float dist = 1+mod(offsetFactor/4, 2); - float xOffset = dist*mod(offsetFactor-1, 2); - float yOffset = dist*mod(offsetFactor-2, 2); - - texture = texture2D(textureIn, vec2(viewportCoord.x+xOffset/screensize.x, viewportCoord.y+yOffset/screensize.y)); - texture = vec4(texture.rgb*texture.a, 1); - texture.rgb = 1 - texture.rgb; - - gl_FragColor = texture * passColour; - - vec3 fakeSunNormal = normalize(vec3(0.2f,1.0f,-0.2f)); - vec3 normNormal = normalize(passNormal); - float shading = max(0.6f, dot(fakeSunNormal, normNormal)); - - gl_FragColor = vec4(gl_FragColor.rgb*shading, 1); -}
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