| Geant4 Cross Reference |
1 // Copyright (C) 2010, Guy Barrand. All rights
2 // See the file tools.license for terms.
3
4 #ifndef tools_sg_gstos_add
5 #define tools_sg_gstos_add
6
7 #include "../vmanip"
8 #include "../vdata"
9 #include "../glprims"
10 #include "../lina/mat4f"
11
12 namespace tools {
13 namespace sg {
14
15 class gstos_add {
16 public:
17 gstos_add(){}
18 virtual ~gstos_add(){}
19 public:
20 gstos_add(const gstos_add&) {}
21 gstos_add& operator=(const gstos_add&){retur
22 public:
23 void clear() {m_xyzs.clear();m_nms.clear();}
24
25 void add_points(size_t a_floatn,const float*
26 append(m_xyzs,a_floatn,a_xyzs);
27 }
28 void add_lines(size_t a_floatn,const float*
29 append(m_xyzs,a_floatn,a_xyzs);
30 }
31 void add_line_strip(size_t a_floatn,const fl
32 size_t num = a_floatn/3;
33 if(num<2) return;
34 size_t nxyzs = (num-1)*2*3;
35 size_t offset = m_xyzs.size();
36 m_xyzs.resize(offset+nxyzs);
37 float* pxyzs = vec_data<float>(m_xyzs)+off
38 gl::line_strip_to_lines(num,a_xyzs,pxyzs);
39 }
40 void add_line_loop(size_t a_floatn,const flo
41 size_t num = a_floatn/3;
42 if(num<2) return;
43 size_t nxyzs = num*2*3;
44 size_t offset = m_xyzs.size();
45 m_xyzs.resize(offset+nxyzs);
46 float* pxyzs = vec_data<float>(m_xyzs)+off
47 gl::line_loop_to_lines(num,a_xyzs,pxyzs);
48 }
49 void add_triangles_normal(size_t a_floatn,co
50 append(m_xyzs,a_floatn,a_xyzs);
51 append(m_nms,a_floatn,a_nms);
52 }
53 void add_triangle_strip_normal(size_t a_floa
54 size_t num = a_floatn/3;
55 if(num<3) return;
56 size_t nxyzs = (num-2)*3*3;
57 size_t offset = m_xyzs.size();
58 m_xyzs.resize(offset+nxyzs);
59 float* pxyzs = vec_data<float>(m_xyzs)+off
60 offset = m_nms.size();
61 m_nms.resize(offset+nxyzs);
62 float* pnms = vec_data<float>(m_nms)+offse
63 gl::triangle_strip_to_triangles_nms(num,a_
64 }
65 void add_triangle_fan_normal(size_t a_floatn
66 size_t num = a_floatn/3;
67 if(num<3) return;
68 size_t nxyzs = (num-2)*3*3;
69 size_t offset = m_xyzs.size();
70 m_xyzs.resize(offset+nxyzs);
71 float* pxyzs = vec_data<float>(m_xyzs)+off
72 offset = m_nms.size();
73 m_nms.resize(offset+nxyzs);
74 float* pnms = vec_data<float>(m_nms)+offse
75 gl::triangle_fan_to_triangles_nms(num,a_xy
76 }
77
78 void add_triangle_strip_as_triangles(size_t
79 add_triangle_strip_normal(a_floatn,a_xyzs,
80 }
81 /*
82 ////////////////////////////////////////////
83 /// for sg::markers and gstos : ////////////
84 ////////////////////////////////////////////
85 void add_lines(const std::vector<float>& a_x
86 append(m_xyzs,a_xyzs.size(),vec_data(a_xyz
87 }
88 void add_triangles_normal(const std::vector<
89 if(a_xyzs.size()!=a_nms.size()) return;
90 append(m_xyzs,a_xyzs.size(),vec_data(a_xyz
91 append(m_nms,a_nms.size(),vec_data(a_nms))
92 }
93 bool project_point(const mat4f& a_model_matr
94 float& a_x,float& a_y,flo
95 a_w = 1;
96 a_model_matrix.mul_4f(a_x,a_y,a_z,a_w);
97 a_projection_matrix.mul_4f(a_x,a_y,a_z,a_w
98 if(a_w==0.0F) return false;
99 a_x /= a_w;
100 a_y /= a_w;
101 a_z /= a_w;
102 return true;
103 }
104 ////////////////////////////////////////////
105 ////////////////////////////////////////////
106 ////////////////////////////////////////////
107 */
108 public:
109 std::vector<float> m_xyzs;
110 std::vector<float> m_nms;
111
112 size_t m_gsto_points_sz;
113 size_t m_gsto_lines_sz;
114 size_t m_gsto_tris_sz;
115 size_t m_gsto_nms_sz;
116 };
117
118 }}
119
120 #endif