cleanup+walgrid init

[carveJwlIkooP6JGAAIwe30JlM.git] / shaders / sky.fs

diff --git a/shaders/sky.fs b/shaders/sky.fs
index b8d4fc74d21fc21739873af87a6fcfd9736e2a70..9e08967b1a741cdfaa6fdd14e909667737423600 100644 (file)
--- a/shaders/sky.fs
+++ b/shaders/sky.fs
@@ -1,6 +1,8 @@
 out vec4 FragColor;
 
 uniform vec4 uColour;
+uniform sampler2D uTexGarbage;
+uniform float uTime;
 
 in vec4 aColour;
 in vec2 aUv;
@@ -16,5 +18,19 @@ void main()
    vec3 skycolour = vec3(0.4,0.5,0.8);
    vec3 diffuse = mix( skycolour, horizon, fblend );
 
-   FragColor = vec4(diffuse,1.0);
+   float fmove = uTime * 0.001;
+   vec2 cloudplane = (aCo.xz / (aCo.y*sign(aNorm.y))) * 0.03;
+   vec4 clouds1 = texture( uTexGarbage, cloudplane + vec2(0.1,0.4)*fmove*2.0 );
+   vec4 clouds2 = texture( uTexGarbage, cloudplane + vec2(0.3,0.1)*fmove );
+
+   float cloud_d = max(clouds1.b*clouds2.r -0.2 - clouds2.g*0.4,0.0);
+   float cloud_e = pow(cloud_d,1.8)*pow(abs(aNorm.y),0.3)*2.0;
+
+   vec3 colour_ocean = vec3( 0.61, 0.84, 0.9 );
+   float fhorizon = step( aNorm.y * 0.5 + 0.5, 0.5 );
+
+   vec3 skycomp = mix(diffuse, vec3(1.0), cloud_e);
+   skycomp = mix(mix(pow(colour_ocean,vec3(6.0))*0.6,skycomp, 0.7),skycomp,fhorizon);
+
+   FragColor = vec4(skycomp, 1.0);
 }