float sc = cos(sa);
float ss = sin(sa);
builder.normal(rs*sc, rs*ss, -rc);
- if(generate_tbn)
- {
+ if(generate_tan)
builder.tangent(-ss, sc, 0);
- builder.binormal(rc*sc, rc*ss, rs);
- }
builder.texcoord(j*u_scale, v);
builder.vertex(rs*sc*radius, rs*ss*radius, cz-rc*radius);
}