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multmatrix works for faces!

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This commit is contained in:
Trammell Hudson 2015-02-15 16:03:51 -05:00
parent a70a9e56d6
commit a6a08bf10a
1 changed files with 31 additions and 6 deletions
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37
corners.c
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@ -47,21 +47,46 @@ main(void)
const stl_face_t * const f = v->face[j];
if (face_used[f - stl->face])
continue;
const int start_vertex = v->face_num[j];
const int vertex_count = stl_trace_face(
stl,
f,
vertex_list,
face_used
face_used,
start_vertex
);
refframe_t ref;
refframe_init(&ref,
f->vertex[(v->face_num[j]+0) % 3]->p,
f->vertex[(v->face_num[j]+1) % 3]->p,
f->vertex[(v->face_num[j]+2) % 3]->p
f->vertex[(start_vertex+0) % 3]->p,
f->vertex[(start_vertex+1) % 3]->p,
f->vertex[(start_vertex+2) % 3]->p
);
printf("linear_extrude(height=%f) polygon(points=[\n",
const stl_vertex_t * const v1 = vertex_list[0];
const stl_vertex_t * const v2 = vertex_list[1];
const v3_t d = v3_sub(v2->p, v1->p);
const float len = v3_len(&v2->p, &v1->p);
//const float b = acos(d.p[2] / len) * 180/M_PI;
//const float c = d.p[0] == 0 ? sign(d.p[1]) * 90 : atan2(d.p[1], d.p[0]) * 180/M_PI;
//
// use the transpose of the rotation matrix,
// which will rotate from (x,y) to the correct
// orientation relative to this connector node.
printf("multmatrix(m=[[%f,%f,%f,0],[%f,%f,%f,0],[%f,%f,%f,0],[0,0,0,1]]) translate([0,0,%f]) linear_extrude(height=%f) polygon(points=[\n",
ref.x.p[0],
ref.y.p[0],
ref.z.p[0],
ref.x.p[1],
ref.y.p[1],
ref.z.p[1],
ref.x.p[2],
ref.y.p[2],
ref.z.p[2],
//a, b, c,
-thickness/2,
thickness
);
@ -140,7 +165,7 @@ main(void)
free(face_used);
printf("}\n");
if (i == 1) break; // only do one right now
//if (i == 2) break; // only do one right now
}
return 0;