ffCylinder.cpp

This example generates the freeform primitive (cylinder)

// This example generates the freeform primitive (cylinder)
#include <CoreAPI.h>
using namespace coat;
class ffCylinder:public BaseClass {
public:
    ffCylinder() {
        ff.ffname("Cylinder");
        ffSubNames = ff.ffSubNamesList();
        RadiusVariation = 30;
        SubIndex = 0;
    }
    float RadiusVariation;
    list<str>* ffSubNames;
    int SubIndex;
    freeform ff;
    // this is class registration, look dialogs example
    SERIALIZE() {
        Enumerator* E = ENUM.Get("SubIndex");
        if (E->GetAmount() == 0) {
            if (ffSubNames){
                for(int i = 0; i <  ffSubNames->Count(); i++){
                    E->Add((*ffSubNames)[i]);
                }
            }
        }
        REG_DROPLIST(SubIndex,"Sub Index","SubIndex");
        FSLIDER(RadiusVariation, "%RadiusVariation", 1, 100, 30, false);
        
    }
    // generate random value with variation
    float random(float variation) {
        return (1.0f + variation * comms::cMath::Rand(1, 100) / 100.0f);
    }
    void generate() {
        auto voxId = coat::Scene::sculptRoot().childCount();
        auto current = coat::Scene::sculptRoot().addChild("Cylinder"+coat::str::ToString(voxId));
        auto volume = current.Volume();
        // turn to surface
        volume.toSurface();
        
        // create the free form sub object
        ff.ffsubname((*ffSubNames)[SubIndex]);
        // get the control poinst 
        freeform::Points3D points = ff.ffControlPoints();
        // modify the point's
        int N = ff.CountPoints();
        for(int i = 0; i < N; i++){
            vec3 P = points[i];
            vec3 VN = P;
            VN.Normalize(); 
            vec3 P1 = P  + VN * random(RadiusVariation);
            ff.SetPoint(i,P1);
        }
        ff.details(0.5).add(volume);
    }
};
EXPORT
int main() {
    // get to sculpt room
    coat::ui::toRoom("Sculpt");
    // create the generator object
    ffCylinder fg;
    coat::dialog dlg;
    // load generator settings if exist
    fg.ReadFromFile("data/Temp/ffCylinder.json");
    if(dlg.caption("Free Cylinder").ok().cancel().params(&fg).show() == 1) {// ok pressed, buttons start from 1
        // save settings
        fg.WriteToFile("data/Temp/ffCylinder.json");
        // generate the ffcube
        fg.generate();
    };
    return 0;
}