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added specular
[csgray]
/
src
/
geom.c
diff --git
a/src/geom.c
b/src/geom.c
index
341e7c3
..
bd340bf
100644
(file)
--- a/
src/geom.c
+++ b/
src/geom.c
@@
-300,12
+300,12
@@
static struct hinterv *interval_isect(struct hinterv *a, struct hinterv *b)
}
/* partial overlap */
}
/* partial overlap */
- if(a->end[0].t < b->end[1].t) {
- res->end[0] = b->end[1];
- res->end[1] = a->end[0];
+ if(a->end[0].t < b->end[0].t) {
+ res->end[0] = b->end[0];
+ res->end[1] = a->end[1];
} else {
} else {
- res->end[0] = a->end[1];
- res->end[1] = a->end[0];
+ res->end[0] = a->end[0];
+ res->end[1] = b->end[1];
}
return res;
}
}
return res;
}