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allow start vertex to be set

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This commit is contained in:
Trammell Hudson 2015-02-15 16:03:41 -05:00
parent c2bc3de94e
commit a70a9e56d6
3 changed files with 8 additions and 5 deletions
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3
faces.c
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@ -220,7 +220,8 @@ main(void)
stl, stl,
f, f,
vertex_list, vertex_list,
face_used face_used,
0
); );
fprintf(stderr, "%d: %d vertices\n", i, vertex_count); fprintf(stderr, "%d: %d vertices\n", i, vertex_count);

7
stl_3d.c
View File

@ -243,11 +243,12 @@ stl_trace_face(
const stl_3d_t * const stl, const stl_3d_t * const stl,
const stl_face_t * const f_start, const stl_face_t * const f_start,
const stl_vertex_t ** vertex_list, const stl_vertex_t ** vertex_list,
int * const face_used int * const face_used,
const int start_vertex
) )
{ {
const stl_face_t * f = f_start; const stl_face_t * f = f_start;
int i = 0; int i = start_vertex;
int vertex_count = 0; int vertex_count = 0;
do { do {
@ -288,7 +289,7 @@ stl_trace_face(
// keep going until we reach our starting face // keep going until we reach our starting face
// at vertex 0. // at vertex 0.
} while (f != f_start || i != 0); } while (f != f_start || i != start_vertex);
return vertex_count; return vertex_count;
} }

3
stl_3d.h
View File

@ -59,7 +59,8 @@ stl_trace_face(
const stl_3d_t * const stl, const stl_3d_t * const stl,
const stl_face_t * const f_start, const stl_face_t * const f_start,
const stl_vertex_t ** vertex_list, const stl_vertex_t ** vertex_list,
int * const face_used int * const face_used,
int start_vertex
); );