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ptrude/: added (overly, this far) simple extruder

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This commit is contained in:
Werner Almesberger
2011-07-29 14:32:40 -03:00
parent 3dcd5cc9aa
commit c202eda676
6 changed files with 235 additions and 2 deletions
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26
ptrude/ptrude.c
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@@ -17,6 +17,7 @@
#include <math.h>
#include "path.h"
#include "extrude.h"
#include "ptrude.h"
@@ -50,6 +51,29 @@ static void close_file(FILE *file)
}
static void do_face(void *data, struct point a, struct point b, struct point c)
{
FILE *file = data;
fprintf(file, "facet normal 0 0 0\n");
fprintf(file, " outer loop\n");
fprintf(file, " vertex %f %f %f\n", a.x, a.y, a.z);
fprintf(file, " vertex %f %f %f\n", b.x, b.y, b.z);
fprintf(file, " vertex %f %f %f\n", c.x, c.y, c.z);
fprintf(file, " endloop\nendfacet\n");
}
static void do_extrude(const struct path *path, const struct path *shape)
{
FILE *file = stdout;
fprintf(file, "solid ptrude\n");
extrude(path, shape, do_face, file);
fprintf(file, "endsolid ptrude\n");
}
static void usage(const char *name)
{
fprintf(stderr,
@@ -106,7 +130,7 @@ int main(int argc, char **argv)
*/
path = round_path(path, r, sqrt(d));
shape = round_path(shape, r, sqrt(d));
/* ... now all that's missing is the extrusion :-) */
do_extrude(path, shape);
} else {
shape = round_path(shape, r, d);
save_path(stdout, shape);