92 lines
2 KiB
C++
92 lines
2 KiB
C++
// This source code is property of the Computer Graphics and Visualization
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// chair of the TU Dresden. Do not distribute!
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// Copyright (C) CGV TU Dresden - All Rights Reserved
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#pragma once
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#include <gui/AbstractViewer.h>
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#include <gui/SliderHelper.h>
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#include <util/OpenMeshUtils.h>
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#include "AABBTree.h"
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#include "HashGrid.h"
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#include "Point.h"
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#include "LineSegment.h"
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#include "Triangle.h"
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#include <gui/ShaderPool.h>
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class Viewer : public nse::gui::AbstractViewer
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{
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public:
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Viewer();
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void drawContents();
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private:
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enum PrimitiveType
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{
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Vertex,
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Edge,
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Tri
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};
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void SetupGUI();
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void MeshUpdated();
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void FindClosestPoint(const Eigen::Vector3f &p);
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void BuildGridVBO();
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void BuildRayVBOs();
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template <typename Grid>
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void BuildGridVBO(const Grid &grid)
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{
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std::vector<Eigen::Vector4f> positions;
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for (auto it = grid.NonEmptyCellsBegin(); it != grid.NonEmptyCellsEnd(); ++it)
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{
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auto box = grid.CellBounds(it->first);
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AddBoxVertices(box, positions);
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}
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ShaderPool::Instance()->simpleShader.bind();
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gridVAO.bind();
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gridPositions.uploadData(positions).bindToAttribute("position");
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gridVAO.unbind();
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gridIndices = (GLuint)positions.size();
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}
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void AddBoxVertices(const Box &box, std::vector<Eigen::Vector4f> &positions);
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nanogui::ComboBox *shadingBtn;
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nanogui::CheckBox *chkRenderMesh;
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nanogui::CheckBox *chkRenderGrid;
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nanogui::CheckBox *chkRenderRay;
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int raySteps;
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nse::gui::VectorInput *sldQuery, *sldRayOrigin, *sldRayDir;
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nanogui::ComboBox *cmbPrimitiveType;
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HEMesh polymesh;
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float bboxMaxLength;
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MeshRenderer renderer;
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AABBTree<Point> vertexTree;
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AABBTree<LineSegment> edgeTree;
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AABBTree<Triangle> triangleTree;
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HashGrid<Point> vertexGrid;
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HashGrid<LineSegment> edgeGrid;
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HashGrid<Triangle> triangleGrid;
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nse::gui::GLBuffer closestPositions;
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nse::gui::GLVertexArray closestVAO;
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nse::gui::GLBuffer gridPositions;
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nse::gui::GLVertexArray gridVAO;
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GLuint gridIndices;
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nse::gui::GLBuffer rayPositions, rayCellsPositions;
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nse::gui::GLVertexArray rayVAO, rayCellsVAO;
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GLuint rayCellsIndices;
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};
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