X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=shaders%2Fwater.vs;h=c8ac51bcefa266db568a8c12b23ad7895c2bdf1a;hb=dfee9022b3513fddec36f7ea70867ee5961a44da;hp=dd8b661fd61ee1b403285a0c8bae73962a6c11e4;hpb=1f1d636056450dcd23cce55c0795ec6276272531;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/shaders/water.vs b/shaders/water.vs
index dd8b661..c8ac51b 100644
--- a/shaders/water.vs
+++ b/shaders/water.vs
@@ -2,12 +2,20 @@
 
 uniform mat4 uPv;
 uniform mat4x3 uMdl;
+uniform vec4 uDepthBounds;
 
-out vec2 aUv;
+out vec4 aUv;
+out vec3 aCo;
+out float aDepth;
 
 void main()
 {
    vec3 world_pos = uMdl * vec4( a_co, 1.0 );
    gl_Position = uPv * vec4(world_pos,1.0);
-   aUv = vec2(world_pos[0],world_pos[2])*0.15;
+
+   vec2 depth_coords = (world_pos.xz-uDepthBounds.xy)*uDepthBounds.zw;
+   aUv = vec4(world_pos.xz*0.01,depth_coords);
+   aCo = world_pos;
+
+   aDepth = gl_Position.z;
 }