3DPrinting/PrusaSlicer-NonPlainar
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Follow-up of a7d1c9b5e9 - Simplified code to generate a smooth cylinder

Browse source
This commit is contained in:
enricoturri1966 2022-08-23 13:53:55 +02:00
parent adb3d0101d
commit 74d3227703
3 changed files with 12 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

39
src/slic3r/GUI/GLModel.cpp
View file

@ -2254,7 +2254,7 @@ GLModel::Geometry smooth_sphere(unsigned int resolution, float radius)
return data;
}
GLModel::Geometry smooth_cylinder(Axis axis, unsigned int resolution, float radius, float height)
GLModel::Geometry smooth_cylinder(unsigned int resolution, float radius, float height)
{
resolution = std::max<unsigned int>(4, resolution);
@ -2266,39 +2266,19 @@ GLModel::Geometry smooth_cylinder(Axis axis, unsigned int resolution, float radi
data.reserve_vertices(sectorCount * 4 + 2);
data.reserve_indices(sectorCount * 4 * 3);
auto generate_vertices_on_circle = [sectorCount, sectorStep](Axis axis, float radius) {
auto generate_vertices_on_circle = [sectorCount, sectorStep](float radius) {
std::vector<Vec3f> ret;
ret.reserve(sectorCount);
for (unsigned int i = 0; i < sectorCount; ++i) {
// from 0 to 2pi
const float sectorAngle = (i != sectorCount) ? sectorStep * i : 0.0f;
const float x1 = radius * std::cos(sectorAngle);
const float x2 = radius * std::sin(sectorAngle);
Vec3f v;
switch (axis)
{
case X: { v = Vec3f(0.0f, x1, x2); break; }
case Y: { v = Vec3f(-x1, 0.0f, x2); break; }
case Z: { v = Vec3f(x1, x2, 0.0f); break; }
default: { assert(false); break; }
}
ret.emplace_back(v);
ret.emplace_back(radius * std::cos(sectorAngle), radius * std::sin(sectorAngle), 0.0f);
}
return ret;
};
const std::vector<Vec3f> base_vertices = generate_vertices_on_circle(axis, radius);
Vec3f h;
switch (axis)
{
case X: { h = height * Vec3f::UnitX(); break; }
case Y: { h = height * Vec3f::UnitY(); break; }
case Z: { h = height * Vec3f::UnitZ(); break; }
default: { assert(false); break; }
}
const std::vector<Vec3f> base_vertices = generate_vertices_on_circle(radius);
const Vec3f h = height * Vec3f::UnitZ();
// stem vertices
for (unsigned int i = 0; i < sectorCount; ++i) {
@ -2321,14 +2301,7 @@ GLModel::Geometry smooth_cylinder(Axis axis, unsigned int resolution, float radi
// bottom cap vertices
Vec3f cap_center = Vec3f::Zero();
unsigned int cap_center_id = data.vertices_count();
Vec3f normal;
switch (axis)
{
case X: { normal = -Vec3f::UnitX(); break; }
case Y: { normal = -Vec3f::UnitY(); break; }
case Z: { normal = -Vec3f::UnitZ(); break; }
default: { assert(false); break; }
}
Vec3f normal = -Vec3f::UnitZ();
data.add_vertex(cap_center, normal);
for (unsigned int i = 0; i < sectorCount; ++i) {