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