From 8286ddda96a5f2925d342d0ce115aa00ae5d94ec Mon Sep 17 00:00:00 2001
From: LaG1924 <lag1924@gmail.com>
Date: Sun, 28 Nov 2021 16:16:29 +0500
Subject: Added gamma correction

---
 cwd/assets/altcraft/shaders/frag/sky.fs | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

(limited to 'cwd/assets/altcraft/shaders/frag/sky.fs')

diff --git a/cwd/assets/altcraft/shaders/frag/sky.fs b/cwd/assets/altcraft/shaders/frag/sky.fs
index 32b7da0..1e36dd3 100644
--- a/cwd/assets/altcraft/shaders/frag/sky.fs
+++ b/cwd/assets/altcraft/shaders/frag/sky.fs
@@ -1,6 +1,6 @@
 #version 330 core
 
-in vec3 pos;
+in vec3 facePos;
 
 layout (location = 0) out vec4 color;
 layout (location = 1) out vec4 normal;
@@ -12,6 +12,7 @@ layout (std140) uniform Globals {
     uvec2 viewportSize;
     float globalTime;
     float dayTime;
+    float gamma;
 };
 
 uniform sampler2DArray textureAtlas;
@@ -20,12 +21,14 @@ uniform float sunTextureLayer;
 uniform vec4 moonTexture;
 uniform float moonTextureLayer;
 
-const vec4 DaySkyColor = vec4(0.49, 0.66, 1, 1);
+const vec4 DaySkyColor = vec4(0.21, 0.4, 1, 1);
 
 const vec3 SunPos = vec3(0, 0.1, 0.5);
 
 const vec3 MoonPos = vec3(0, 0.1, -0.5);
 
+const vec4 NightSkyColor = vec4(0.0, 0.0008, 0.002, 1.0);
+
 vec3 TransformTextureCoord(vec4 TextureAtlasCoords, vec2 UvCoords, float Layer) {
     float x = TextureAtlasCoords.x;
     float y = TextureAtlasCoords.y;
@@ -38,7 +41,7 @@ vec3 TransformTextureCoord(vec4 TextureAtlasCoords, vec2 UvCoords, float Layer)
 }
 
 vec4 Sun() {
-    vec3 sunDelta = (pos - SunPos) * 3.0f;
+    vec3 sunDelta = (facePos - SunPos) * 3.0f;
     float distanceToSun = length(sunDelta);
     vec4 sunColor = texture(textureAtlas, TransformTextureCoord(sunTexture, (vec2(sunDelta.xy) + 0.5f), sunTextureLayer));
     vec4 sun = mix(vec4(0, 0, 0, 1), sunColor, clamp(1 - distanceToSun * 2.0f, 0, 1));
@@ -46,7 +49,7 @@ vec4 Sun() {
 }
 
 vec4 Moon() {
-    vec3 moonDelta = (pos - MoonPos) * 4.5f;
+    vec3 moonDelta = (facePos - MoonPos) * 4.5f;
     float distanceToMoon = length(moonDelta);
     vec4 moonColor = texture(textureAtlas, TransformTextureCoord(moonTexture, (vec2(moonDelta.xy) + 0.5f), moonTextureLayer));
     vec4 moon = mix(vec4(0, 0, 0, 1),moonColor, clamp(1 - distanceToMoon * 2.0f, 0, 1));
@@ -54,8 +57,7 @@ vec4 Moon() {
 }
 
 void main() {
-    vec4 starColor = vec4(0.0f, 0.04f, 0.06f, 1.0f);
-    color = vec4(mix(starColor, DaySkyColor, dayTime).rgb, 1.0f);
+    color = vec4(mix(NightSkyColor, DaySkyColor, dayTime).rgb, 1.0f);
     color += vec4(Sun().rgb, 1.0f);
     color += vec4(Moon().rgb, 1.0f);
     normal = vec4(0.0f, 0.0f, 0.0f, 1.0f);
-- 
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