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ENH: Cut optimization, support for custom connectors

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Change-Id: I65163314374fb74f0b16df47dacae82caa6fab0d
(cherry picked from commit 7bacc2c2a89be471f6fee51dd07a42222a28b55a)
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zhimin.zeng 2023-03-14 10:42:42 +08:00 • committed by Lane.Wei
parent 9f71a8c5dd
commit cd4cddfca4
51 changed files with 3663 additions and 466 deletions
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55
src/libslic3r/TriangleMesh.cpp
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@ -984,6 +984,61 @@ indexed_triangle_set its_make_cone(double r, double h, double fa)
return mesh;
}
// Generates mesh for a frustum dowel centered about the origin, using the count of sectors
// Note: This function uses code for sphere generation, but for stackCount = 2;
indexed_triangle_set its_make_frustum_dowel(double radius, double h, int sectorCount)
{
int stackCount = 2;
float sectorStep = float(2. * M_PI / sectorCount);
float stackStep = float(M_PI / stackCount);
indexed_triangle_set mesh;
auto& vertices = mesh.vertices;
vertices.reserve((stackCount - 1) * sectorCount + 2);
for (int i = 0; i <= stackCount; ++i) {
// from pi/2 to -pi/2
double stackAngle = 0.5 * M_PI - stackStep * i;
double xy = radius * cos(stackAngle);
double z = radius * sin(stackAngle);
if (i == 0 || i == stackCount)
vertices.emplace_back(Vec3f(float(xy), 0.f, float(h * sin(stackAngle))));
else
for (int j = 0; j < sectorCount; ++j) {
// from 0 to 2pi
double sectorAngle = sectorStep * j + 0.25 * M_PI;
vertices.emplace_back(Vec3d(xy * std::cos(sectorAngle), xy * std::sin(sectorAngle), z).cast<float>());
}
}
auto& facets = mesh.indices;
facets.reserve(2 * (stackCount - 1) * sectorCount);
for (int i = 0; i < stackCount; ++i) {
// Beginning of current stack.
int k1 = (i == 0) ? 0 : (1 + (i - 1) * sectorCount);
int k1_first = k1;
// Beginning of next stack.
int k2 = (i == 0) ? 1 : (k1 + sectorCount);
int k2_first = k2;
for (int j = 0; j < sectorCount; ++j) {
// 2 triangles per sector excluding first and last stacks
int k1_next = k1;
int k2_next = k2;
if (i != 0) {
k1_next = (j + 1 == sectorCount) ? k1_first : (k1 + 1);
facets.emplace_back(k1, k2, k1_next);
}
if (i + 1 != stackCount) {
k2_next = (j + 1 == sectorCount) ? k2_first : (k2 + 1);
facets.emplace_back(k1_next, k2, k2_next);
}
k1 = k1_next;
k2 = k2_next;
}
}
return mesh;
}
indexed_triangle_set its_make_pyramid(float base, float height)
{
float a = base / 2.f;