PointFromCurve.cpp

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#include "PointFromCurve.h"
 
#include "GLSurfaceVisualModule.h"
#include "GLWireframeVisualModule.h"
#include "GLPointVisualModule.h"
 
 
 
namespace dyno
{
    template<typename TDataType>
    PointFromCurve<TDataType>::PointFromCurve()
        : ParametricModel<TDataType>()
    {
 
        this->varScale()->setRange(0.001f, 10.0f);
 
        this->statePointSet()->setDataPtr(std::make_shared<PointSet<TDataType>>());
        this->stateEdgeSet()->setDataPtr(std::make_shared<EdgeSet<TDataType>>());
 
        this->statePointSet()->promoteOuput();
 
        auto pointGlModule = std::make_shared<GLPointVisualModule>();
        this->statePointSet()->connect(pointGlModule->inPointSet());
        this->graphicsPipeline()->pushModule(pointGlModule);
        pointGlModule->varPointSize()->setValue(0.01);
 
        auto wireframe = std::make_shared<GLWireframeVisualModule>();
        this->stateEdgeSet()->connect(wireframe->inEdgeSet());
        this->graphicsPipeline()->pushModule(wireframe);
        wireframe->setColor(Color(1, 1, 0));
        wireframe->varLineWidth()->setValue(0.1);
        wireframe->varRenderMode()->setCurrentKey(1);
 
        this->statePointSet()->promoteOuput();
        auto curve = this->varCurve()->getValue();
        curve.setUseSquard(true);
        this->varCurve()->setValue(curve);
 
        auto callback = std::make_shared<FCallBackFunc>(std::bind(&PointFromCurve<TDataType>::varChanged, this));
 
        this->varLocation()->attach(callback);
        this->varScale()->attach(callback);
        this->varRotation()->attach(callback);
 
        this->varUniformScale()->attach(callback);
        this->varCurve()->attach(callback);
 
 
    }
 
    template<typename TDataType>
    void PointFromCurve<TDataType>::resetStates()
    {
        varChanged();
    }
 
    template<typename TDataType>
    void PointFromCurve<TDataType>::varChanged()
    {
        auto center = this->varLocation()->getData();
        auto rot = this->varRotation()->getData();
        auto scale = this->varScale()->getData();
        auto uniformScale = this->varUniformScale()->getData();
        auto pointSet = this->statePointSet()->getDataPtr();
        auto curve = this->varCurve()->getValue();
        auto floatCoord = curve.getPoints();
        int length = floatCoord.size();
        std::vector<Coord> vertices;
 
 
        Coord Location;
        if (length != 0)
        {
            for (size_t i = 0; i < length; i++)
            {
                Location = Coord(floatCoord[i].x, floatCoord[i].y, 0);
 
                vertices.push_back(Location);
            }
        }
 
        if (curve.curveClose && curve.resample == true && vertices.size()>=3)
        {
 
            vertices.erase(vertices.end() - 1);
 
        }
 
        //Transform Coord
 
        Quat<Real> q2 = this->computeQuaternion();
 
        q2.normalize();
 
        auto RVt = [&](const Coord& v)->Coord {
            return center + q2.rotate(v - center);
        };
 
        int numpt = vertices.size();
 
        for (int i = 0; i < numpt; i++)
        {
 
            vertices[i] = RVt(vertices[i] * scale * uniformScale + RVt(center));
        }
 
        int s = vertices.size();
 
        pointSet->setPoints(vertices);
 
 
    
 
 
        // create EdgeSet
        {
            std::vector<TopologyModule::Edge> edges;
 
 
            auto edgeSet = this->stateEdgeSet()->getDataPtr();
 
            int ptnum = vertices.size();
 
            
            //printf("vertices.size  %d \n", ptnum);
            if (ptnum >= 2)
            {
                for (int i = 0; i < ptnum - 1; i++)
                {
                    edges.push_back(TopologyModule::Edge(i, i + 1));
                    //printf(" %d  -- %d  \n", i, i + 1);
                }
            }
            //printf(" set \n");
 
            if (curve.curveClose == true && vertices.size()>=3) 
            {
                edges.push_back(TopologyModule::Edge(vertices.size()-1,0));
            }
 
 
 
            edgeSet->setPoints(vertices);
            edgeSet->setEdges(edges);
 
 
            vertices.clear();
            edges.clear();
            //printf(" clear  \n");
        
        
        }
        
    }
 
    DEFINE_CLASS(PointFromCurve);
}