X-Git-Url: http://git.mutantstargoat.com?p=demo;a=blobdiff_plain;f=src%2Fmeshgen.cc;h=ddcd5715cc5ba8a73d77e0da3f564e6b2ba0f9ff;hp=c6a4f48784082604b68054249c8e1c9f24ccca95;hb=fd601d4218b63fdf92c5e4dfa32eac8adbda82fa;hpb=47982b199010496e34eefb95044275fb231cba18

diff --git a/src/meshgen.cc b/src/meshgen.cc
index c6a4f48..ddcd571 100644
--- a/src/meshgen.cc
+++ b/src/meshgen.cc
@@ -179,7 +179,7 @@ void gen_heightfield(Mesh *mesh, float xsz, float ysz, float height, int usub,
 			Vec3 bitangent = hfield_vertex(u, v + dv, calc_height(u, v + dv, ptr),
 					xsz, ysz, height) - vtx;
 
-			Vec3 normal = normalize(cross(tangent, bitangent));
+			Vec3 normal = normalize(cross(bitangent, tangent));
 
 			mesh->vertices[vidx] = vtx;
 			mesh->normals[vidx] = normal;