csg_voxels.cpp

This example generates the detail for the further 3D printing using the voxels. The CSG principles demonstrated.

// This example generates the detail for the further 3D printing using the voxels. The CSG principles demonstrated.
#include <CoreAPI.h>
//@config: Debug
using namespace coat;
 
EXPORT
int main() {
    // create new volume and set 20x density - 20 voxels per 1 unit (mm)
    auto current = Scene::sculptRoot().addChild("Detail").density(20);
    // get the volume object to refer later
    auto volume = current.Volume();
    // turn to voxels
    volume.toVoxels();
    // add the sphere, diameter 16, dense (40 divisions)
    sphere().diameter(16).add(volume);
    // the cylinder that will be use to clip the top and bottom of the figure
    cylinder clip;
    clip.height(10).diameter(20);
    //move down 9mm and subtract
    clip.y(-9).subtract(volume);
    //move up 9mm (back) and additionally 7 mm up and subtract
    clip.y(9 + 7).subtract(volume);
    // add the base of the figure. pay attention, we create temporary object using the cylinder() and operate,
    // this is a bit different from the clip object that we used twice
    cylinder().height(1.25).diameterBottom(19.0).diameterTop(18.5).add(volume);
    // make hole at the top
    cylinder().height(8).diameter(6).y(4).subtract(volume);
    // make hole through all the object
    cylinder().height(8).diameter(3).y(-2).subtract(volume);
    // we relax once to improve sharp borders quality
    volume.relaxVoxels(1);
    return 0;
}