| Geant4 Cross Reference |
1 // Copyright (C) 2010, Guy Barrand. All rights
2 // See the file tools.license for terms.
3
4 #ifndef tools_sg_ortho
5 #define tools_sg_ortho
6
7 #include "base_camera"
8
9 namespace tools {
10 namespace sg {
11
12 class ortho : public base_camera {
13 TOOLS_NODE(ortho,tools::sg::ortho,base_camer
14 public:
15 virtual float near_height() const {return he
16 virtual void zoom(float a_fac) {
17 //for exa :
18 // a_fac = 0.99f is a zoom in
19 // a_fac = 1.01f is a zoom out
20 height.value(height.value()*a_fac);
21 }
22 virtual camera_type type() const {return cam
23 public:
24 sf<float> height;
25 public:
26 virtual const desc_fields& node_desc_fields(
27 TOOLS_FIELD_DESC_NODE_CLASS(tools::sg::ort
28 static const desc_fields s_v(parent::node_
29 TOOLS_ARG_FIELD_DESC(height)
30 );
31 return s_v;
32 }
33 private:
34 void add_fields(){
35 add_field(&height);
36 }
37 public:
38 ortho()
39 :parent()
40 ,height(2)
41 {
42 #ifdef TOOLS_MEM
43 mem::increment(s_class().c_str());
44 #endif
45 add_fields();
46 }
47 virtual ~ortho(){
48 #ifdef TOOLS_MEM
49 mem::decrement(s_class().c_str());
50 #endif
51 }
52 public:
53 ortho(const ortho& a_from)
54 :parent(a_from)
55 ,height(a_from.height)
56 {
57 #ifdef TOOLS_MEM
58 mem::increment(s_class().c_str());
59 #endif
60 add_fields();
61 }
62 ortho& operator=(const ortho& a_from){
63 parent::operator=(a_from);
64 height = a_from.height;
65 return *this;
66 }
67 public: //operators:
68 bool operator==(const ortho& a_from) const{
69 if(!parent::operator==(a_from)) return fal
70 if(height!=a_from.height) return false;
71 return true;
72 }
73 bool operator!=(const ortho& a_from) const {
74 return !operator==(a_from);
75 }
76 public:
77 void dump(std::ostream& a_out) {
78 parent::dump(a_out);
79 a_out << " height " << height.value() << s
80 }
81 protected:
82 virtual void get_lrbt(unsigned int a_ww,unsi
83 float& a_l,float& a_r,
84 float aspect = float(a_ww)/float(a_wh);
85 //landscape : float aspect = float(a_actio
86 float hh = height.value()*0.5f;
87 a_l = -aspect*hh;
88 a_r = aspect*hh;
89 a_b = -hh;
90 a_t = hh;
91 }
92 };
93
94 inline ortho* cast_ortho(base_camera& a_bcam)
95
96 }}
97
98 #endif