Developer Documentation

BoxesNode.hh
1 #pragma once
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41 \*===========================================================================*/
42
43
44 #include <ACG/Scenegraph/MaterialNode.hh>
45 #include <ACG/Scenegraph/DrawModes.hh>
46 #include <ACG/GL/VertexDeclaration.hh>
47 #include <ACG/GL/globjects.hh>
48 #include <ACG/Math/Matrix3x3T.hh>
49 #include <vector>
50 #include <limits>
51
52 namespace ACG {
53 namespace SceneGraph {
54
55 struct BoxElement {
56 Matrix3x3d transform;
57 Vec3d pos;
58 };
59
60 class BoxesNode : public MaterialNode
61 {
62 public:
63 ACG_CLASSNAME(BoxesNode)
64
65 BoxesNode(BaseNode* _parent=nullptr,
66 std::string _name="<BoxesNode>" );
67
68 ~BoxesNode() = default;
69
70 DrawModes::DrawMode availableDrawModes() const override {
71 return DrawModes::SOLID_FACES_COLORED_FLAT_SHADED;
72 }
73
74 void boundingBox(Vec3d& _bbMin, Vec3d& _bbMax) override;
75
76 void clear() { elem_.clear(); updateVBO_ = true; }
77
78 void reserve(size_t _n) { elem_.reserve(_n); }
79
81 void push_back(const BoxElement& _v) { elem_.push_back(_v); updateVBO_ = true; }
82 typedef BoxElement value_type;
83 typedef BoxElement& reference;
84 typedef const BoxElement& const_reference;
85
86 void getRenderObjects(IRenderer* _renderer, GLState& _state, const DrawModes::DrawMode& _drawMode, const ACG::SceneGraph::Material* _mat) override;
87
88 void setScaleFactor(float _val) { scaleFactor_ = _val;}
89
90 protected:
92 void createVBO();
93
94 std::vector<BoxElement> elem_;
95 float scaleFactor_ = 1.0f;
96
97 // geometry of a single box
98 std::vector<std::array<Vec3f,3>> triangles_;
99 std::vector<Vec4f> triangle_colors_;
100
101 GeometryBuffer geometry_vbo_;
102 GeometryBuffer instance_vbo_;
103
104 // True if points changed and the vbo has to be updated
105 bool updateVBO_;
106
107 ACG::VertexDeclaration vertexDecl_;
108
109 std::string boxesNodeName_;
110 };
111
112
113 //=============================================================================
114 } // namespace SceneGraph
115 } // namespace ACG
116 //=============================================================================
ACG::SceneGraph::BoxesNode::push_back
void push_back(const BoxElement &_v)
STL conformance.
Definition: BoxesNode.hh:81
ACG::SceneGraph::BoxElement
Definition: BoxesNode.hh:55
ACG::GLState
Definition: GLState.hh:213
ACG::Matrix3x3T< double >
ACG
Namespace providing different geometric functions concerning angles.
Definition: BaseObjectData.hh:68
ACG::VertexDeclaration
Class to define the vertex input layout.
Definition: VertexDeclaration.hh:268
OpenMesh::VectorT
Definition: Vector11T.hh:83
ACG::SceneGraph::MaterialNode
Definition: MaterialNode.hh:338
ACG::SceneGraph::BoxesNode
Definition: BoxesNode.hh:60
ACG::IRenderer
Definition: IRenderer.hh:78
SceneGraph
Definition: QtPrincipalAxisDialog.hh:67
ACG::SceneGraph::DrawModes::SOLID_FACES_COLORED_FLAT_SHADED
DrawMode SOLID_FACES_COLORED_FLAT_SHADED
draw flat shaded and colored faces (requires face normals and colors)
Definition: DrawModes.cc:94
ACG::SceneGraph::BaseNode
Definition: BaseNode.hh:104
ACG::SceneGraph::DrawModes::DrawMode
Specifies a DrawMode.
Definition: DrawModes.hh:288
ACG::SceneGraph::BoxesNode::availableDrawModes
DrawModes::DrawMode availableDrawModes() const override
Definition: BoxesNode.hh:70
ACG::SceneGraph::Material
Definition: MaterialNode.hh:79