cyberenv

[vrfileman] / src / meshgen.cc

diff --git a/src/meshgen.cc b/src/meshgen.cc
index 412f763..b6ae0c8 100644 (file)
--- a/src/meshgen.cc
+++ b/src/meshgen.cc
@@ -16,6 +16,8 @@ static Vec3 sphvec(float theta, float phi)
 
 void gen_sphere(Mesh *mesh, float rad, int usub, int vsub, float urange, float vrange)
 {
+       if(urange == 0.0 || vrange == 0.0) return;
+
        if(usub < 4) usub = 4;
        if(vsub < 2) vsub = 2;
 
@@ -49,7 +51,7 @@ void gen_sphere(Mesh *mesh, float rad, int usub, int vsub, float urange, float v
                        *varr++ = pos * rad;
                        *narr++ = pos;
                        *tarr++ = normalize(sphvec(theta + 0.1f, (float)M_PI / 2.0f) - sphvec(theta - 0.1f, (float)M_PI / 2.0f));
-                       *uvarr++ = Vec2(u * urange, v * vrange);
+                       *uvarr++ = Vec2(u / urange, v / vrange);
 
                        if(i < usub && j < vsub) {
                                int idx = i * vverts + j;