69 lines
2 KiB
C
69 lines
2 KiB
C
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#pragma once
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#include <Eigen/Core>
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#include <OpenMesh/Core/Mesh/PolyMesh_ArrayKernelT.hh>
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#include <gui/GLBuffer.h>
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#include <gui/GLVertexArray.h>
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#include <gui/GLShader.h>
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typedef OpenMesh::PolyMesh_ArrayKernelT<> HEMesh;
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//Converts an OpenMesh vector to an Eigen vector
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static Eigen::Vector3f ToEigenVector(const OpenMesh::Vec3f& v)
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{
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return Eigen::Vector3f(v[0], v[1], v[2]);
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}
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//Converts an OpenMesh vector to an Eigen vector
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static Eigen::Vector2f ToEigenVector(const OpenMesh::Vec2f& v)
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{
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return Eigen::Vector2f(v[0], v[1]);
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}
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//Converts an Eigen vector to an OpenMesh vector
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static OpenMesh::Vec3f ToOpenMeshVector(const Eigen::Vector3f& v)
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{
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return OpenMesh::Vec3f(v[0], v[1], v[2]);
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}
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//Converts an OpenMesh vector to an Eigen vector
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static Eigen::Vector4f ToEigenVector4(const OpenMesh::Vec3f& v, float w = 1)
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{
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return Eigen::Vector4f(v[0], v[1], v[2], w);
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}
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//Converts an OpenMesh vector to an Eigen vector
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static Eigen::Vector4f ToEigenVector4(const OpenMesh::Vec2f& v, float z = 0, float w = 1)
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{
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return Eigen::Vector4f(v[0], v[1], z, w);
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}
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//GPU representation of a mesh with rendering capabilities.
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class MeshRenderer
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{
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public:
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MeshRenderer(const HEMesh& mesh);
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//Update the underlying buffers based on the current geometry in the referenced mesh
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void Update();
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void UpdateWithPerFaceColor(OpenMesh::FPropHandleT<Eigen::Vector4f> colorProperty);
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void Render(const Eigen::Matrix4f& view, const Eigen::Matrix4f& projection, bool flatShading = false, bool withTexCoords = false, const Eigen::Vector4f& color = Eigen::Vector4f(0.8f, 0.7f, 0.6f, 1.0f)) const;
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void RenderTextureMap(const Eigen::Matrix4f& projection, const Eigen::Vector4f& color) const;
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private:
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void UpdateTextureMapBuffers();
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const HEMesh& mesh;
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nse::gui::GLBuffer positionBuffer, normalBuffer, colorBuffer, texCoordBuffer, texCoordBuffer4D;
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nse::gui::GLBuffer indexBuffer, indexBufferTexCoords;
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unsigned int indexCount;
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unsigned int indexCountTexCoords;
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nse::gui::GLVertexArray vao, vaoTexCoords;
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bool hasColor = false;
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};
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