Cleaned up main and introduced --samples <num>, --flat, --smooth command line controls.
Add StatsHandler to viewer to enable review of different settings on number vertices/triangles.
This commit is contained in:
Robert Osfield
parent
fd1493e14b
commit
2ee999fb6e
@ -36,541 +36,6 @@
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extern int main_orig(int, char**);
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extern int main_test(int, char**);
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class Boundary
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{
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public:
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typedef std::pair<unsigned int, unsigned int> Segment;
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typedef std::vector<Segment> Segments;
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osg::ref_ptr<osg::Vec3Array> _vertices;
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unsigned int _start;
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unsigned int _count;
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Segments _segments;
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Boundary(osg::Vec3Array* vertices, unsigned int start, unsigned int count)
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{
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_vertices = vertices;
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_start = start;
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_count = count;
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if ((*_vertices)[start]==(*_vertices)[start+count-1])
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{
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// OSG_NOTICE<<"Boundary is a line loop"<<std::endl;
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}
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else
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{
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OSG_NOTICE<<"Boundary is not a line loop"<<std::endl;
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}
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_segments.reserve(count-1);
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for(unsigned int i=start; i<start+count-2; ++i)
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{
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_segments.push_back(Segment(i,i+1));
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}
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_segments.push_back(Segment(start+count-2,start));
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}
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osg::Vec3 computeRayIntersectionPoint(const osg::Vec3& a, const osg::Vec3& an, const osg::Vec3& c, const osg::Vec3& cn)
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{
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float denominator = ( cn.x() * an.y() - cn.y() * an.x());
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if (denominator==0.0f)
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{
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//OSG_NOTICE<<"computeRayIntersectionPoint()<<denominator==0.0"<<std::endl;
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// line segments must be parallel.
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return (a+c)*0.5f;
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}
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float t = ((a.x()-c.x())*an.y() - (a.y()-c.y())*an.x()) / denominator;
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return c + cn*t;
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}
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osg::Vec3 computeIntersectionPoint(const osg::Vec3& a, const osg::Vec3& b, const osg::Vec3& c, const osg::Vec3& d)
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{
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return computeRayIntersectionPoint(a, b-a, c, d-c);
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}
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osg::Vec3 computeBisectorNormal(const osg::Vec3& a, const osg::Vec3& b, const osg::Vec3& c, const osg::Vec3& d)
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{
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osg::Vec2 ab(a.x()-b.x(), a.y()-b.y());
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osg::Vec2 dc(d.x()-c.x(), d.y()-c.y());
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/*float length_ab =*/ ab.normalize();
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/*float length_dc =*/ dc.normalize();
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float e = dc.y() - ab.y();
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float f = ab.x() - dc.x();
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float denominator = sqrtf(e*e + f*f);
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float nx = e / denominator;
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float ny = f / denominator;
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if (( ab.x()*ny - ab.y()*nx) > 0.0f)
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{
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// OSG_NOTICE<<" computeBisectorNormal(a=["<<a<<"], b=["<<b<<"], c=["<<c<<"], d=["<<d<<"]), nx="<<nx<<", ny="<<ny<<", denominator="<<denominator<<" no need to swap"<<std::endl;
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return osg::Vec3(nx,ny,0.0f);
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}
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else
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{
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OSG_NOTICE<<" computeBisectorNormal(a=["<<a<<"], b=["<<b<<"], c=["<<c<<"], d=["<<d<<"]), nx="<<nx<<", ny="<<ny<<", denominator="<<denominator<<" need to swap!!!"<<std::endl;
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return osg::Vec3(-nx,-ny,0.0f);
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}
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}
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float computeBisectorIntersectorThickness(const osg::Vec3& a, const osg::Vec3& b, const osg::Vec3& c, const osg::Vec3& d, const osg::Vec3& e, const osg::Vec3& f)
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{
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osg::Vec3 intersection_abcd = computeIntersectionPoint(a,b,c,d);
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osg::Vec3 bisector_abcd = computeBisectorNormal(a,b,c,d);
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osg::Vec3 intersection_cdef = computeIntersectionPoint(c,d,e,f);
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osg::Vec3 bisector_cdef = computeBisectorNormal(c,d,e,f);
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if (bisector_abcd==bisector_cdef)
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{
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//OSG_NOTICE<<"computeBisectorIntersector(["<<a<<"], ["<<b<<"], ["<<c<<"], ["<<d<<"], ["<<e<<"], ["<<f<<"[)"<<std::endl;
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//OSG_NOTICE<<" bisectors parallel, thickness = "<<FLT_MAX<<std::endl;
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return FLT_MAX;
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}
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osg::Vec3 bisector_intersection = computeRayIntersectionPoint(intersection_abcd,bisector_abcd, intersection_cdef, bisector_cdef);
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osg::Vec3 normal(d.y()-c.y(), c.x()-d.x(), 0.0);
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float cd_length = normal.normalize();
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if (cd_length==0)
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{
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//OSG_NOTICE<<"computeBisectorIntersector(["<<a<<"], ["<<b<<"], ["<<c<<"], ["<<d<<"], ["<<e<<"], ["<<f<<"[)"<<std::endl;
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//OSG_NOTICE<<" segment length==0, thickness = "<<FLT_MAX<<std::endl;
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return FLT_MAX;
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}
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float thickness = (bisector_intersection - c) * normal;
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#if 0
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OSG_NOTICE<<"computeBisectorIntersector(["<<a<<"], ["<<b<<"], ["<<c<<"], ["<<d<<"], ["<<e<<"], ["<<f<<"[)"<<std::endl;
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OSG_NOTICE<<" bisector_abcd = "<<bisector_abcd<<", bisector_cdef="<<bisector_cdef<<std::endl;
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OSG_NOTICE<<" bisector_intersection = "<<bisector_intersection<<", thickness = "<<thickness<<std::endl;
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#endif
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return thickness;
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}
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float computeThickness(unsigned int i)
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{
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Segment& seg_before = _segments[ (i+_segments.size()-1) % _segments.size() ];
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Segment& seg_target = _segments[ (i) % _segments.size() ];
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Segment& seg_after = _segments[ (i+1) % _segments.size() ];
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return computeBisectorIntersectorThickness(
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(*_vertices)[seg_before.first], (*_vertices)[seg_before.second],
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(*_vertices)[seg_target.first], (*_vertices)[seg_target.second],
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(*_vertices)[seg_after.first], (*_vertices)[seg_after.second]);
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}
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void computeAllThickness()
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{
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for(unsigned int i=0; i<_segments.size(); ++i)
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{
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computeThickness(i);
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}
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}
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bool findMinThickness(unsigned int& minThickness_i, float& minThickness)
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{
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minThickness_i = _segments.size();
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for(unsigned int i=0; i<_segments.size(); ++i)
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{
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float thickness = computeThickness(i);
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if (thickness>0.0 && thickness < minThickness)
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{
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minThickness = thickness;
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minThickness_i = i;
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}
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}
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return minThickness_i != _segments.size();
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}
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void removeAllSegmentsBelowThickness(float targetThickness)
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{
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// OSG_NOTICE<<"removeAllSegmentsBelowThickness("<<targetThickness<<")"<<std::endl;
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for(;;)
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{
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unsigned int minThickness_i = _segments.size();
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float minThickness = targetThickness;
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if (!findMinThickness(minThickness_i,minThickness)) break;
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// OSG_NOTICE<<" removing segment _segments["<<minThickness_i<<"] ("<<_segments[minThickness_i].first<<", "<<_segments[minThickness_i].second<<" with thickness="<<minThickness<<" "<<std::endl;
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_segments.erase(_segments.begin()+minThickness_i);
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}
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}
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bool findMaxThickness(unsigned int& maxThickness_i, float& maxThickness)
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{
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maxThickness_i = _segments.size();
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for(unsigned int i=0; i<_segments.size(); ++i)
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{
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float thickness = computeThickness(i);
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if (thickness<0.0 && thickness > maxThickness)
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{
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maxThickness = thickness;
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maxThickness_i = i;
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}
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}
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return maxThickness_i != _segments.size();
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}
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void removeAllSegmentsAboveThickness(float targetThickness)
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{
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// OSG_NOTICE<<"removeAllSegmentsBelowThickness("<<targetThickness<<")"<<std::endl;
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for(;;)
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{
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unsigned int maxThickness_i = _segments.size();
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float maxThickness = targetThickness;
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if (!findMaxThickness(maxThickness_i,maxThickness)) break;
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// OSG_NOTICE<<" removing segment _segments["<<minThickness_i<<"] ("<<_segments[minThickness_i].first<<", "<<_segments[minThickness_i].second<<" with thickness="<<minThickness<<" "<<std::endl;
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_segments.erase(_segments.begin()+maxThickness_i);
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}
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}
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osg::Vec3 computeBisectorPoint(unsigned int i, float targetThickness)
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{
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Segment& seg_before = _segments[ (i+_segments.size()-1) % _segments.size() ];
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Segment& seg_target = _segments[ (i) % _segments.size() ];
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osg::Vec3& a = (*_vertices)[seg_before.first];
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osg::Vec3& b = (*_vertices)[seg_before.second];
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osg::Vec3& c = (*_vertices)[seg_target.first];
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osg::Vec3& d = (*_vertices)[seg_target.second];
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osg::Vec3 intersection_abcd = computeIntersectionPoint(a,b,c,d);
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osg::Vec3 bisector_abcd = computeBisectorNormal(a,b,c,d);
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osg::Vec3 ab_sidevector(b.y()-a.y(), a.x()-b.x(), 0.0);
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ab_sidevector.normalize();
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float scale_factor = 1.0/ (bisector_abcd*ab_sidevector);
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osg::Vec3 new_vertex = intersection_abcd + bisector_abcd*(scale_factor*targetThickness);
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// OSG_NOTICE<<"bisector_abcd = "<<bisector_abcd<<", ab_sidevector="<<ab_sidevector<<", b-a="<<b-a<<", scale_factor="<<scale_factor<<std::endl;
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return new_vertex;
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}
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void addBoundaryToGeometry(osg::Geometry* geometry, float targetThickness)
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{
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if (_segments.empty()) return;
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if (geometry->getVertexArray()==0) geometry->setVertexArray(new osg::Vec3Array);
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osg::Vec3Array* new_vertices = dynamic_cast<osg::Vec3Array*>(geometry->getVertexArray());
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// allocate the primitive set to store the face geometry
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osg::DrawElementsUShort* face = new osg::DrawElementsUShort(GL_POLYGON);
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face->setName("face");
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// reserve enough space in the vertex array to accomodate the vertices associated with the segments
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new_vertices->reserve(new_vertices->size() + _segments.size()+1 + _count);
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// create vertices
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unsigned int previous_second = _segments[0].second;
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osg::Vec3 newPoint = computeBisectorPoint(0, targetThickness);
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unsigned int first = new_vertices->size();
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new_vertices->push_back(newPoint);
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if (_segments[0].first != _start)
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{
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//OSG_NOTICE<<"We have pruned from the start"<<std::endl;
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for(unsigned int j=_start; j<=_segments[0].first;++j)
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{
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face->push_back(first);
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}
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}
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else
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{
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face->push_back(first);
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}
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for(unsigned int i=1; i<_segments.size(); ++i)
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{
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newPoint = computeBisectorPoint(i, targetThickness);
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unsigned int vi = new_vertices->size();
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new_vertices->push_back(newPoint);
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if (previous_second != _segments[i].first)
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{
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//OSG_NOTICE<<"Gap in boundary"<<previous_second<<" to "<<_segments[i].first<<std::endl;
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for(unsigned int j=previous_second; j<=_segments[i].first;++j)
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{
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face->push_back(vi);
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}
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}
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else
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{
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face->push_back(vi);
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}
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previous_second = _segments[i].second;
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}
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// fill the end of the polygon with repititions of the first index in the polygon to ensure
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// that the orignal and new boundary polygons have the same number and pairing of indices.
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// This ensures that the bevel can be created coherently.
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while(face->size() < _count)
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{
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face->push_back(first);
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}
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// add face primitive set for polygon
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geometry->addPrimitiveSet(face);
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osg::DrawElementsUShort* bevel = new osg::DrawElementsUShort(GL_QUAD_STRIP);
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bevel->setName("bevel");
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bevel->reserve(_count*2);
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for(unsigned int i=0; i<_count; ++i)
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{
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unsigned int vi = new_vertices->size();
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new_vertices->push_back((*_vertices)[_start+i]);
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bevel->push_back(vi);
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bevel->push_back((*face)[i]);
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}
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geometry->addPrimitiveSet(bevel);
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}
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};
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osg::Geometry* getGeometryComponent(osg::Geometry* geometry, bool bevel)
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{
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osg::Vec3Array* vertices = dynamic_cast<osg::Vec3Array*>(geometry->getVertexArray());
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if (!vertices) return 0;
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osg::Geometry* new_geometry = new osg::Geometry;
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osg::Vec3Array* new_vertices = new osg::Vec3Array(*vertices);
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new_geometry->setVertexArray(new_vertices);
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for(unsigned int i=0; i<geometry->getNumPrimitiveSets(); ++i)
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{
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osg::PrimitiveSet* primitiveSet = geometry->getPrimitiveSet(i);
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if (primitiveSet->getName()=="bevel")
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{
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if (bevel) new_geometry->addPrimitiveSet(primitiveSet);
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}
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else
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{
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if (!bevel) new_geometry->addPrimitiveSet(primitiveSet);
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}
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}
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osg::Vec4Array* new_colours = new osg::Vec4Array;
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new_colours->push_back(bevel ? osg::Vec4(1.0,1.0,0.0,1.0) : osg::Vec4(1.0,0.0,0.0,1.0));
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new_geometry->setColorArray(new_colours);
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new_geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
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if (!bevel)
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{
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osg::Vec3Array* normals = new osg::Vec3Array;
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normals->push_back(osg::Vec3(0.0,0.0,1.0));
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new_geometry->setNormalArray(normals);
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new_geometry->setNormalBinding(osg::Geometry::BIND_OVERALL);
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}
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return new_geometry;
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}
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osg::Geometry* computeBevelGeometry(osg::Geometry* geometry, osgText::BevelProfile& profile, float width)
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{
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if (!geometry) return 0;
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osg::Vec3Array* orig_vertices = dynamic_cast<osg::Vec3Array*>(geometry->getVertexArray());
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if (!orig_vertices) return 0;
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if (geometry->getNumPrimitiveSets()==0) return 0;
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osg::Geometry* new_geometry = new osg::Geometry;
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osg::Vec3Array* new_vertices = new osg::Vec3Array;
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new_geometry->setVertexArray(new_vertices);
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osg::Vec3 forward(0.0f, 0.0f, -width);
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for(unsigned int prim_i=0; prim_i<geometry->getNumPrimitiveSets(); ++prim_i)
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{
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osg::DrawElementsUShort* bevel = dynamic_cast<osg::DrawElementsUShort*>(geometry->getPrimitiveSet(prim_i));
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if (!bevel) continue;
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unsigned int no_vertices_on_boundary = bevel->size()/2;
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osgText::BevelProfile::Vertices& profileVertices = profile.getVertices();
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unsigned int no_vertices_on_bevel = profileVertices.size();
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unsigned int start = new_vertices->size();
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// populate vertices
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for(unsigned int i=0; i<bevel->size()-1;)
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{
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osg::Vec3& top_vertex = (*orig_vertices)[ (*bevel)[i++] ];
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osg::Vec3& base_vertex = (*orig_vertices)[ (*bevel)[i++] ];
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osg::Vec3 up = top_vertex-base_vertex;
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for(unsigned int j=0; j<no_vertices_on_bevel; ++j)
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{
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osg::Vec2& pv = profileVertices[j];
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osg::Vec3 pos( base_vertex + (forward * pv.x()) + (up * pv.y()) );
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new_vertices->push_back(pos);
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}
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}
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osg::DrawElementsUShort* elements = new osg::DrawElementsUShort(GL_TRIANGLES);
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for(unsigned int i = 0; i< no_vertices_on_boundary-1; ++i)
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{
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for(unsigned int j=0; j<no_vertices_on_bevel-1; ++j)
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{
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unsigned int base = start + i*no_vertices_on_bevel + j;
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unsigned int next = base + no_vertices_on_bevel;
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elements->push_back(base);
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elements->push_back(next);
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elements->push_back(base+1);
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elements->push_back(base+1);
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elements->push_back(next);
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elements->push_back(next+1);
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}
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}
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new_geometry->addPrimitiveSet(elements);
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}
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return new_geometry;
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}
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struct CollectTriangleIndicesFunctor
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{
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CollectTriangleIndicesFunctor() {}
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typedef std::vector<unsigned int> Indices;
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Indices _indices;
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void operator() (unsigned int p1, unsigned int p2, unsigned int p3)
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{
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if (p1==p2 || p2==p3 || p1==p3)
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{
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return;
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}
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_indices.push_back(p1);
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_indices.push_back(p3);
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_indices.push_back(p2);
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}
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};
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|
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osg::Geometry* computeFrontAndBackGeometry(osg::Geometry* geometry, float width)
|
||||
{
|
||||
if (!geometry) return 0;
|
||||
|
||||
osg::Vec3Array* orig_vertices = dynamic_cast<osg::Vec3Array*>(geometry->getVertexArray());
|
||||
if (!orig_vertices) return 0;
|
||||
|
||||
if (geometry->getNumPrimitiveSets()==0) return 0;
|
||||
|
||||
osg::TriangleIndexFunctor<CollectTriangleIndicesFunctor> ctif;
|
||||
geometry->accept(ctif);
|
||||
CollectTriangleIndicesFunctor::Indices& face = ctif._indices;
|
||||
|
||||
osg::Geometry* new_geometry = new osg::Geometry;
|
||||
|
||||
osg::Vec3Array* new_vertices = new osg::Vec3Array;
|
||||
new_geometry->setVertexArray(new_vertices);
|
||||
|
||||
osg::Vec3 forward(0.0f, 0.0f, -width);
|
||||
|
||||
// front face
|
||||
osg::DrawElementsUShort* front_face = new osg::DrawElementsUShort(GL_TRIANGLES);
|
||||
new_geometry->addPrimitiveSet(front_face);
|
||||
for(unsigned int i=0; i<face.size();++i)
|
||||
{
|
||||
osg::Vec3& vertex = (*orig_vertices)[ face[i] ];
|
||||
front_face->push_back(new_vertices->size());
|
||||
new_vertices->push_back(vertex);
|
||||
}
|
||||
|
||||
// back face
|
||||
osg::DrawElementsUShort* back_face = new osg::DrawElementsUShort(GL_TRIANGLES);
|
||||
new_geometry->addPrimitiveSet(back_face);
|
||||
for(unsigned int i=0; i<face.size();++i)
|
||||
{
|
||||
osg::Vec3 vertex = (*orig_vertices)[ face[face.size()-i-1] ] + forward;
|
||||
back_face->push_back(new_vertices->size());
|
||||
new_vertices->push_back(vertex);
|
||||
}
|
||||
|
||||
return new_geometry;
|
||||
}
|
||||
|
||||
|
||||
osg::Geometry* createShell(osg::Geometry* geometry, float distance)
|
||||
{
|
||||
if (!geometry) return 0;
|
||||
|
||||
osg::Vec3Array* orig_vertices = dynamic_cast<osg::Vec3Array*>(geometry->getVertexArray());
|
||||
if (!orig_vertices) return 0;
|
||||
|
||||
osg::Vec3Array* orig_normals = dynamic_cast<osg::Vec3Array*>(geometry->getNormalArray());
|
||||
if (!orig_normals) return 0;
|
||||
|
||||
if (orig_vertices->size() != orig_normals->size()) return 0;
|
||||
|
||||
osg::Geometry* new_geometry = new osg::Geometry;
|
||||
osg::Vec3Array* new_vertices = new osg::Vec3Array(orig_vertices->size());
|
||||
for(unsigned int i=0; i<orig_vertices->size(); ++i)
|
||||
{
|
||||
(*new_vertices)[i] = (*orig_vertices)[i] + (*orig_normals)[i]*distance;
|
||||
}
|
||||
|
||||
new_geometry->setVertexArray(new_vertices);
|
||||
|
||||
osg::Vec4Array* new_colours = new osg::Vec4Array;
|
||||
new_colours->push_back(osg::Vec4(1.0,1.0,1.0,0.2));
|
||||
new_geometry->setColorArray(new_colours);
|
||||
new_geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
|
||||
|
||||
osg::TriangleIndexFunctor<CollectTriangleIndicesFunctor> ctif;
|
||||
geometry->accept(ctif);
|
||||
|
||||
// front face
|
||||
osg::DrawElementsUInt* shell = new osg::DrawElementsUInt(GL_TRIANGLES);
|
||||
new_geometry->addPrimitiveSet(shell);
|
||||
CollectTriangleIndicesFunctor::Indices& face = ctif._indices;
|
||||
for(unsigned int i=0; i<face.size();++i)
|
||||
{
|
||||
shell->push_back(face[i]);
|
||||
}
|
||||
|
||||
osg::StateSet* stateset = new_geometry->getOrCreateStateSet();
|
||||
stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
|
||||
stateset->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
|
||||
stateset->setAttributeAndModes(new osg::CullFace, osg::StateAttribute::ON);
|
||||
stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
|
||||
return new_geometry;
|
||||
}
|
||||
|
||||
|
||||
osg::Geometry* computeThickness(osg::Geometry* orig_geometry, float thickness)
|
||||
{
|
||||
// OSG_NOTICE<<"computeThickness("<<orig_geometry<<")"<<std::endl;
|
||||
osg::Vec3Array* orig_vertices = dynamic_cast<osg::Vec3Array*>(orig_geometry->getVertexArray());
|
||||
osg::Geometry::PrimitiveSetList& orig_primitives = orig_geometry->getPrimitiveSetList();
|
||||
|
||||
osg::Geometry* new_geometry = new osg::Geometry;
|
||||
|
||||
for(osg::Geometry::PrimitiveSetList::iterator itr = orig_primitives.begin();
|
||||
itr != orig_primitives.end();
|
||||
++itr)
|
||||
{
|
||||
osg::DrawArrays* drawArray = dynamic_cast<osg::DrawArrays*>(itr->get());
|
||||
if (drawArray && drawArray->getMode()==GL_POLYGON)
|
||||
{
|
||||
Boundary boundary(orig_vertices, drawArray->getFirst(), drawArray->getCount());
|
||||
if (thickness>0.0f) boundary.removeAllSegmentsBelowThickness(thickness);
|
||||
else if (thickness<0.0f) boundary.removeAllSegmentsAboveThickness(thickness);
|
||||
boundary.addBoundaryToGeometry(new_geometry, thickness);
|
||||
}
|
||||
}
|
||||
return new_geometry;
|
||||
}
|
||||
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
osg::ArgumentParser arguments(&argc, argv);
|
||||
@ -625,14 +90,24 @@ int main(int argc, char** argv)
|
||||
while(arguments.read("--rounded2",ratio)) { profile.roundedBevel2(ratio); }
|
||||
while(arguments.read("--flat",ratio)) { profile.flatBevel(ratio); }
|
||||
|
||||
bool outline = false;
|
||||
while(arguments.read("--outline")) { outline = true; }
|
||||
while(arguments.read("--no-outline")) { outline = false; }
|
||||
|
||||
bool smooth = true;
|
||||
while(arguments.read("--flat")) { smooth = false; }
|
||||
while(arguments.read("--smooth")) { smooth = false; }
|
||||
|
||||
unsigned int numSamples = 10;
|
||||
while(arguments.read("--samples", numSamples)) {}
|
||||
font->setNumberCurveSamples(numSamples);
|
||||
|
||||
profile.print(std::cout);
|
||||
|
||||
|
||||
osg::ref_ptr<osg::Group> group = new osg::Group;
|
||||
osg::Vec3 position;
|
||||
|
||||
|
||||
|
||||
for(unsigned int i=0; i<word.size(); ++i)
|
||||
{
|
||||
osg::ref_ptr<osgText::Font3D::Glyph3D> glyph = font->getGlyph(word[i]);
|
||||
@ -646,74 +121,17 @@ int main(int argc, char** argv)
|
||||
|
||||
osg::ref_ptr<osg::Geode> geode = new osg::Geode;
|
||||
|
||||
#if 1
|
||||
osg::ref_ptr<osg::Geometry> glyphGeometry = osgText::computeGlyphGeometry(glyph.get(), thickness, width);
|
||||
osg::ref_ptr<osg::Geometry> textGeometry = osgText::computeTextGeometry(glyphGeometry.get(), profile, width);
|
||||
osg::ref_ptr<osg::Geometry> shellGeometry = osgText::computeShellGeometry(glyphGeometry.get(), profile, width);
|
||||
osg::ref_ptr<osg::Geometry> shellGeometry = outline ? osgText::computeShellGeometry(glyphGeometry.get(), profile, width) : 0;
|
||||
if (textGeometry.valid()) geode->addDrawable(textGeometry.get());
|
||||
if (shellGeometry.valid()) geode->addDrawable(shellGeometry.get());
|
||||
|
||||
// create the normals
|
||||
if (true)
|
||||
if (smooth && textGeometry.valid())
|
||||
{
|
||||
osgUtil::SmoothingVisitor smoother;
|
||||
smoother.setCreaseAngle(osg::DegreesToRadians(creaseAngle));
|
||||
geode->accept(smoother);
|
||||
osgUtil::SmoothingVisitor::smooth(*textGeometry, osg::DegreesToRadians(creaseAngle));
|
||||
}
|
||||
#else
|
||||
osg::Vec3Array* vertices = glyph->getRawVertexArray();
|
||||
osg::Geometry::PrimitiveSetList& primitives = glyph->getRawFacePrimitiveSetList();
|
||||
|
||||
osg::ref_ptr<osg::Geometry> geometry = new osg::Geometry;
|
||||
geometry->setVertexArray(vertices);
|
||||
geometry->setPrimitiveSetList(primitives);
|
||||
osg::Vec4Array* colours = new osg::Vec4Array;
|
||||
colours->push_back(osg::Vec4(1.0,1.0,1.0,1.0));
|
||||
geometry->setColorArray(colours);
|
||||
geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
|
||||
|
||||
osg::ref_ptr<osg::Geometry> face_and_bevel = computeThickness(geometry, thickness);
|
||||
|
||||
osg::ref_ptr<osg::Geometry> face = getGeometryComponent(face_and_bevel, false);
|
||||
|
||||
if (face.valid())
|
||||
{
|
||||
osgUtil::Tessellator ts;
|
||||
ts.setWindingType(osgUtil::Tessellator::TESS_WINDING_POSITIVE);
|
||||
ts.setTessellationType(osgUtil::Tessellator::TESS_TYPE_GEOMETRY);
|
||||
ts.retessellatePolygons(*face);
|
||||
|
||||
osg::ref_ptr<osg::Geometry> faces = computeFrontAndBackGeometry(face.get(), width);
|
||||
if (faces.valid()) geode->addDrawable(faces.get());
|
||||
}
|
||||
|
||||
osg::ref_ptr<osg::Geometry> bevel_strip = getGeometryComponent(face_and_bevel, true);
|
||||
osg::ref_ptr<osg::Geometry> bevel = computeBevelGeometry(bevel_strip, profile, width);
|
||||
|
||||
if (bevel.valid())
|
||||
{
|
||||
geode->addDrawable(bevel.get());
|
||||
}
|
||||
|
||||
// create the normals
|
||||
{
|
||||
osgUtil::SmoothingVisitor smoother;
|
||||
geode->accept(smoother);
|
||||
}
|
||||
|
||||
osg::ref_ptr<osg::Geometry> shell = createShell(bevel.get(), width);
|
||||
|
||||
{
|
||||
osgUtil::SmoothingVisitor smoother;
|
||||
smoother.setCreaseAngle(osg::DegreesToRadians(creaseAngle));
|
||||
geode->accept(smoother);
|
||||
}
|
||||
|
||||
if (shell.valid())
|
||||
{
|
||||
geode->addDrawable(shell.get());
|
||||
}
|
||||
#endif
|
||||
|
||||
transform->addChild(geode.get());
|
||||
|
||||
@ -726,5 +144,6 @@ int main(int argc, char** argv)
|
||||
osgViewer::Viewer viewer(arguments);
|
||||
viewer.setSceneData(group.get());
|
||||
viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
|
||||
viewer.addEventHandler(new osgViewer::StatsHandler);
|
||||
return viewer.run();
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user