X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;ds=sidebyside;f=shaders%2Fterrain.fs;h=6e01684cf9b85bb3825436488f5c2fc2c770e2de;hb=f7db507815e2822d971031c30f25e02b45e9c914;hp=de8958d2d31847c7e587e803b4cd4c70f3754d7a;hpb=6d66c67945f84476d6ac75a0497007cc30bcf58c;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/shaders/terrain.fs b/shaders/terrain.fs
index de8958d..6e01684 100644
--- a/shaders/terrain.fs
+++ b/shaders/terrain.fs
@@ -1,8 +1,8 @@
-out vec4 FragColor;
-
 uniform sampler2D uTexGarbage;
 uniform sampler2D uTexGradients;
 uniform vec3 uCamera;
+uniform vec3 uSandColour;
+uniform vec2 uBlendOffset;
 
 in vec4 aColour;
 in vec2 aUv;
@@ -11,9 +11,14 @@ in vec3 aCo;
 in vec3 aWorldCo;
 
 #include "common_world.glsl"
+#include "motion_vectors_fs.glsl"
 
 void main()
 {
+   compute_motion_vectors();
+
+   // Colour
+   // ------
    vec3 vfrag = vec3(0.5,0.5,0.5);
 
    // ws modulation
@@ -32,9 +37,9 @@ void main()
    // Colour blending
    float amtgrass = step(qnorm.y,0.6);
    float amtsand = min(max((aCo.y - 10.0) * -0.1,0.0)*qnorm.y,1.0);
-   vec2 uvgradients = aUv + vec2( amtgrass*0.5 + rgarbage.a*0.4, 0.0 );
+   vec2 uvgradients = aUv + vec2( amtgrass + rgarbage.a*0.8 )*uBlendOffset;
    vfrag = texture( uTexGradients, uvgradients ).rgb;
-   vfrag = mix( vfrag, vec3(1.0,0.9,0.8)*0.9, amtsand );
+   vfrag = mix( vfrag, uSandColour, amtsand );
 
    qnorm = mix( qnorm, aNorm, amtsand );
    
@@ -53,5 +58,5 @@ void main()
    vfrag = do_light_shadowing( vfrag );
    vfrag = apply_fog( vfrag, fdist );
 
-   FragColor = vec4(vfrag, 1.0 );
+   oColour = vec4(vfrag, 1.0 );
 }