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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_head_light 4 #ifndef tools_sg_head_light
5 #define tools_sg_head_light 5 #define tools_sg_head_light
6 6
7 // Directional light following cam direction. 7 // Directional light following cam direction.
8 // It should come after a camera node. 8 // It should come after a camera node.
9 9
10 #include "torche" 10 #include "torche"
11 11
12 namespace tools { 12 namespace tools {
13 namespace sg { 13 namespace sg {
14 14
15 class head_light : public torche { 15 class head_light : public torche {
16 TOOLS_NODE(head_light,tools::sg::head_light, 16 TOOLS_NODE(head_light,tools::sg::head_light,torche)
17 public: 17 public:
18 virtual void render(render_action& a_action) 18 virtual void render(render_action& a_action) {
19 if(!on.value()) return; 19 if(!on.value()) return;
20 state& state = a_action.state(); 20 state& state = a_action.state();
21 if((state.m_light+1)>=a_action.max_lights( 21 if((state.m_light+1)>=a_action.max_lights()) {
22 a_action.out() 22 a_action.out()
23 << "GL_MAX_LIGHTS (" << a_action.max_l 23 << "GL_MAX_LIGHTS (" << a_action.max_lights() << ") reached."
24 << std::endl; 24 << std::endl;
25 return; 25 return;
26 } 26 }
27 float dx = direction.value()[0]; 27 float dx = direction.value()[0];
28 float dy = direction.value()[1]; 28 float dy = direction.value()[1];
29 float dz = direction.value()[2]; 29 float dz = direction.value()[2];
30 {mat4f mtx; 30 {mat4f mtx;
31 state.m_camera_orientation.value(mtx); 31 state.m_camera_orientation.value(mtx);
32 mtx.mul_dir_3f(dx,dy,dz);} 32 mtx.mul_dir_3f(dx,dy,dz);}
33 state.m_GL_LIGHTING = true; 33 state.m_GL_LIGHTING = true;
34 a_action.enable_light(state.m_light,vec3f( 34 a_action.enable_light(state.m_light,vec3f(dx,dy,dz),color.value(),ambient.value());
35 state.m_light++; 35 state.m_light++;
36 } 36 }
37 public: 37 public:
38 head_light():torche(){} 38 head_light():torche(){}
39 virtual ~head_light(){} 39 virtual ~head_light(){}
40 public: 40 public:
41 head_light(const head_light& a_from):torche( 41 head_light(const head_light& a_from):torche(a_from){}
42 head_light& operator=(const head_light& a_fr 42 head_light& operator=(const head_light& a_from){
43 torche::operator=(a_from); 43 torche::operator=(a_from);
44 return *this; 44 return *this;
45 } 45 }
46 }; 46 };
47 47
48 }} 48 }}
49 49
50 #endif 50 #endif