X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=shaders%2Fplaneinf.h;h=abd7a0caf67cb6466f392fcf00dca07dc65ce9d2;hb=6d66c67945f84476d6ac75a0497007cc30bcf58c;hp=d2a227a15d5f9801137ac19b511d721530e5167a;hpb=d8b8c566831e15ef061a66409e1219f44a82097a;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/shaders/planeinf.h b/shaders/planeinf.h
index d2a227a..abd7a0c 100644
--- a/shaders/planeinf.h
+++ b/shaders/planeinf.h
@@ -23,14 +23,17 @@ static struct vg_shader _shader_planeinf = {
 "out vec2 aUv;\n"
 "out vec3 aNorm;\n"
 "out vec3 aCo;\n"
+"out vec3 aWorldCo;\n"
 "\n"
 "void main()\n"
 "{\n"
-"   gl_Position = uPv * vec4( uMdl * vec4(a_co,1.0), 1.0 );\n"
+"   vec3 world_pos = uMdl * vec4(a_co,1.0);\n"
+"   gl_Position = uPv * vec4( world_pos, 1.0 );\n"
 "   aColour = a_colour;\n"
 "   aUv = a_uv;\n"
 "   aNorm = mat3(uMdl) * a_norm;\n"
 "   aCo = a_co;\n"
+"   aWorldCo = world_pos;\n"
 "}\n"
 ""},
    .fs =