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#3510 Sample points along diagonal as well for quick and dirty occlusion detection

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This commit is contained in:
Thomas Krijnen
2023-08-10 10:52:06 +08:00
parent f8ffc97bf5
commit b78490ca56
1 changed files with 8 additions and 3 deletions
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src/serializers/SvgSerializer.h
+8 -3
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@@ -309,11 +309,16 @@ namespace {
} }
} else { } else {
gp_Pnt2d tmp; gp_Pnt2d tmp;
for (int i = 0; i < 4; ++i) { // 0,1,2,3 -> interp over bounding box edges (i%4, (i+1)%4)
// 4,5 -> interp over bounding box diagonals (i%4, (i+2)%4)
// @todo use boolean_utils.h points_on_planar_face_generator?
// ... or skip faces with inner bounds all together ?
// ... ?
for (int i = 0; i < 6; ++i) {
// @todo proper edge intersection // @todo proper edge intersection
for (int j = 0; j < 16; ++j) { for (int j = 0; j < 16; ++j) {
const gp_Pnt2d& a = *loop[i]; const gp_Pnt2d& a = *loop[i % 4];
const gp_Pnt2d& b = *loop[(i + 1) % 4]; const gp_Pnt2d& b = *loop[(i + (i >= 4 ? 2 : 1)) % 4];
interp(a, b, j / 16.0, tmp); interp(a, b, j / 16.0, tmp);
if (fclass->Perform(tmp) == TopAbs_OUT) { if (fclass->Perform(tmp) == TopAbs_OUT) {
return false; return false;