Developer Documentation

QuadNode.hh
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40 \*===========================================================================*/
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46
47 //=============================================================================
48 //
49 // CLASS QuadNode
50 //
51 //=============================================================================
52
53 #ifndef ACG_QUADNODE_HH
54 #define ACG_QUADNODE_HH
55
56 //=============================================================================
57
58 #include "BaseNode.hh"
59 #include <vector>
60
61 //=============================================================================
62
63 namespace ACG {
64 namespace SceneGraph {
65
66 //=============================================================================
67
68
69 class ACGDLLEXPORT QuadNode : public BaseNode
70 {
71
72 public:
73
74 typedef std::vector<ACG::Vec3f> PointVector;
75
76 QuadNode( BaseNode* _parent=0,
77 const std::string& _name="<QuadNode>" );
78 virtual ~QuadNode();
79
80 ACG_CLASSNAME(QuadNode);
81
82
83 DrawModes::DrawMode availableDrawModes() const override;
84
85 void boundingBox(Vec3d& _bbMin, Vec3d& _bbMax) override;
86 void draw(GLState& _state, const DrawModes::DrawMode& _drawMode) override;
87 void pick(GLState& _state, PickTarget _target) override;
88
89 void add_quad( const ACG::Vec3f & _p0,
90 const ACG::Vec3f & _p1,
91 const ACG::Vec3f & _p2,
92 const ACG::Vec3f & _p3 )
93 {
94 point_.push_back( _p0 );
95 point_.push_back( _p1 );
96 point_.push_back( _p2 );
97 point_.push_back( _p3 );
98
99 ACG::Vec3f n = ( _p1 - _p0 ) % ( _p2 - _p1 );
100 if ( n.norm() > 0.00001 )
101 n.normalize();
102 else
103 n = Vec3f( 0, 0, 0 );
104 normal_.push_back( n );
105 }
106
107 void clear()
108 {
109 point_.clear();
110 normal_.clear();
111 }
112
113 protected:
114
115 enum FaceMode { FACE_NORMALS, FACE_COLORS, PER_VERTEX };
116
117 void draw_vertices();
118 void draw_faces();
119 void draw_wireframe();
120
121 PointVector point_;
122 PointVector normal_;
123
124 };
125
126
127 //=============================================================================
128 } // namespace SceneGraph
129 } // namespace ACG
130 //=============================================================================
131 #endif // ACG_QUADNODE_HH defined
132 //=============================================================================
ACG::GLState
Definition: GLState.hh:213
ACG::SceneGraph::QuadNode
Definition: QuadNode.hh:69
ACG
Namespace providing different geometric functions concerning angles.
Definition: BaseObjectData.hh:68
OpenMesh::VectorT
Definition: Vector11T.hh:83
SceneGraph
Definition: QtPrincipalAxisDialog.hh:67
ACG::SceneGraph::PickTarget
PickTarget
What target to use for picking.
Definition: PickTarget.hh:73
ACG::Vec3f
VectorT< float, 3 > Vec3f
Definition: VectorT.hh:119
OpenMesh::VectorT::norm
auto norm() const -> decltype(std::sqrt(std::declval< VectorT< S, DIM >>().sqrnorm()))
compute euclidean norm
Definition: Vector11T.hh:414
ACG::SceneGraph::BaseNode
Definition: BaseNode.hh:104
ACG::SceneGraph::DrawModes::DrawMode
Specifies a DrawMode.
Definition: DrawModes.hh:288
OpenMesh::VectorT::normalize
auto normalize() -> decltype(*this/=std::declval< VectorT< S, DIM >>().norm())
Definition: Vector11T.hh:434