RollingPin.cpp

This example generates the surface figure rolling pin that consists of cylinders

// This example generates the surface figure rolling pin that consists of cylinders
#include <CoreAPI.h>
//@config: Debug
EXPORT
int main() {
    // get to sculpt room
    coat::ui::toRoom("Sculpt");
    // add new volume
    auto voxId = coat::Scene::sculptRoot().childCount();
    auto current = coat::Scene::sculptRoot().addChild("Rolling pin"+coat::str::ToString(voxId));
    auto volume = current.Volume();
    // turn to surface
    volume.toSurface();
    float height = 100;
    float radius = 12;
    float fillet = 0.5;
    float rotate = 90;
    float fscale = 4;
    coat::cylinder cylinder1(height,radius,radius,fillet);
    coat::cylinder cylinder2(height,radius/2,radius/2,fillet);
    //to scale
    cylinder1.scale(fscale);
    cylinder2.scale(fscale);
    // go to translate for all prims
    coat::prim::push_translate(coat::vec3(fscale*height/2,0,0));
    // get transform matrix of the first cylinder
    coat::mat4 matrix = cylinder1.transform();
    // rotate around axis z
    matrix *= coat::mat4::RotationZ(rotate);
    // add first figure
    cylinder1.transform(matrix).add(volume);
    // get transform matrix of the second cylinder
    matrix = cylinder2.transform();
    // rotate around axis z
    matrix *= coat::mat4::RotationZ(rotate);
    // add second cylinder in the volume
    cylinder2.transform(matrix).translate(coat::vec3(-fscale*height/3,0,0)).add(volume);
    cylinder2.transform(matrix).translate(coat::vec3(fscale*height/3,0,0)).add(volume);
    coat::prim::reset_transform();
    return 0;
}