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TAPs 0.7.7.3
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TAPs 0.7.7.3
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00001 /****************************************************************************** 00002 TAPsOpenGLLightModel.hpp 00003 00004 Light Model for OpenGL 00005 00006 SUKITTI PUNAK (05/12/2006) 00007 UPDATE (05/14/2006) 00008 ******************************************************************************/ 00009 #ifndef TAPs_OPENGL_LIGHT_MODEL_HPP 00010 #define TAPs_OPENGL_LIGHT_MODEL_HPP 00011 00012 #include "TAPsOpenGLFns.hpp" 00013 00014 BEGIN_NAMESPACE_TAPs__OpenGL 00015 //============================================================================= 00016 template <typename T> 00017 class OpenGLLightModel { 00018 //----------------------------------------------------------------------------- 00019 public: 00020 static int GetNumberOfLights (); 00021 static int GetMaxinumNumberOfLightsAllowed (); 00022 //------------------------------------------------------------------------- 00023 // Constructor and Destructor 00024 OpenGLLightModel (); 00025 OpenGLLightModel ( 00026 T lightNumber, // light# 00027 T ambientR, T ambientG, T ambientB, T ambientA, // ambient 00028 T diffuseR, T diffuseG, T diffuseB, T diffuseA, // diffuse 00029 T specularR, T specularG, T specularB, T specularA, // specular 00030 T positionX, T positionY, T positionZ, T positionW, // position 00031 T spotDirectionX = 0, // spot direction x 00032 T spotDirectionY = 0, // spot direction y 00033 T spotDirectionZ = -1, // spot direction z 00034 T spotExponent = 0, // spot exponent 00035 T spotCutoff = 180, // spot cutoff 00036 T constantAttenuation = 1, // constant attenuation 00037 T linearAttenuation = 0, // linear attenuation 00038 T QuadraticAttenuation = 0 // quadratic attenuation 00039 ); 00040 ~OpenGLLightModel (); 00041 //--------------------------------------------------------------- 00042 // Get/Set Function(s) 00043 inline void Enable (); 00044 inline void Disable (); 00045 inline void Switch ( bool on ); 00046 inline void ToggleSwitch (); 00047 inline bool IsOn () const; 00048 inline bool IsEnabled () const; 00049 //------------------------------------------- 00050 inline void SetGLLightNumber ( int n ); 00051 inline void SetGLLightNumber ( GLenum eGL ); 00052 inline int GetGLLightNumber () const; 00053 //------------------------------------------- 00054 inline void SetAmbient ( const Vector4<T> & v ); 00055 inline void SetAmbient ( const Vector3<T> & v ); 00056 inline void SetAmbient ( T r, T g, T b, T a ); 00057 inline void SetAmbient ( T r, T g, T b ); 00058 inline const Vector4<T> & GetAmbient () const; 00059 //------------------------------------------- 00060 inline void SetDiffuse ( const Vector4<T> & v ); 00061 inline void SetDiffuse ( const Vector3<T> & v ); 00062 inline void SetDiffuse ( T r, T g, T b, T a ); 00063 inline void SetDiffuse ( T r, T g, T b ); 00064 inline const Vector4<T> & GetDiffuse () const; 00065 //------------------------------------------- 00066 inline void SetSpecular ( const Vector4<T> & v ); 00067 inline void SetSpecular ( const Vector3<T> & v ); 00068 inline void SetSpecular ( T r, T g, T b, T a ); 00069 inline void SetSpecular ( T r, T g, T b ); 00070 inline const Vector4<T> & GetSpecular () const; 00071 //------------------------------------------- 00072 inline void SetPosition ( const Vector4<T> & v ); 00073 inline void SetPosition ( const Vector3<T> & v ); 00074 inline void SetPosition ( T x, T y, T z, T w ); 00075 inline void SetPosition ( T x, T y, T z ); 00076 inline const Vector4<T> & GetPosition () const; 00077 //------------------------------------------- 00078 inline void SetSpotDirection ( const Vector3<T> & v ); 00079 inline void SetSpotDirection ( T x, T y, T z ); 00080 inline const Vector3<T> & GetSpotDirection () const; 00081 //------------------------------------------- 00082 inline void SetSpotExponent ( T t ); 00083 inline T GetSpotExponent () const; 00084 //------------------------------------------- 00085 inline void SetSpotCutoff ( T t ); 00086 inline T GetSpotCutoff () const; 00087 //------------------------------------------- 00088 inline void SetAttenuationConstant ( T t ); 00089 inline T GetAttenuationConstant () const; 00090 //------------------------------------------- 00091 inline void SetAttenuationLinear( T t ); 00092 inline T GetAttenuationLinear () const; 00093 //------------------------------------------- 00094 inline void SetAttenuationQuadratic ( T t ); 00095 inline T GetAttenuationQuadratic () const; 00096 //--------------------------------------------------------------- 00097 /* 00098 // Shadow 00099 void GenerateShadowMap ( 00100 //void (*DrawModels)( Enum::DrawMode DM ), 00101 void (*DrawModels)(), 00102 //OpenGLModelManager<T> obj, 00103 //void (OpenGLModelManager<T>::*DrawModels)(), 00104 T tDistance = 100, int shadowSize = 512 ); 00105 //*/ 00106 //--------------------------------------------------------------- 00107 // Operation(s) 00108 //--------------------------------------------------------------- 00109 // Drawing(s) 00110 void Draw (); 00111 //----------------------------------------------------------------------------- 00112 private: 00113 //--------------------------------------------------------------- 00114 static void SetGLMaxLights (); 00115 //--------------------------------------------------------------- 00116 void SetDefaultValues (); 00117 //------------------------------------------------------------------------- 00118 // Data Member(s) 00119 GLenum m_eGLLightNumber; // GL_LIGHTi; 0 <= i < GL_MAX_LIGHTS 00120 bool m_bOn; // On/Off (enable/disable) light 00121 Vector4<T> m_v4Ambient; // Light Ambient [-1,1] 00122 // (Default: (0,0,0,1)) 00123 Vector4<T> m_v4Diffuse; // Light Diffuse [-1,1] 00124 // (Default: (1,1,1,1)) for GL_LIGHT0 00125 // (Default: (0,0,0,0)) for other 00126 Vector4<T> m_v4Specular; // Light Specular [-1,1] 00127 // (Default: (1,1,1,1)) for GL_LIGHT0 00128 // (Default: (0,0,0,0)) for other 00129 Vector4<T> m_v4Position; // Light Position (Default: (0,0,1,0)) 00130 //------------------------------------------- 00131 Vector3<T> m_v3SpotDirection; // Light Spot Direction (Default: (0,0,-1)) 00132 T m_tSpotExponent; // Light Spot Exponent [0,128] (Default: 0) 00133 T m_tSpotCutoff; // Light Spot Cutoff [0,90] & 180 (Default: 180) 00134 T m_tConstantAttenuation; // Light Constant Attenuation (Default: 1) 00135 T m_tLinearAttenuation; // Light Linear Attenuation (Default: 0) 00136 T m_tQuadraticAttenuation; // Light Quadratic Attenuation (Default: 0) 00137 //--------------------------------------------------------------- 00138 // Shadow 00139 //void SetRelatedInfoForShadow (); 00140 //=============================================================== 00141 //--------------------------------------------------------------- 00142 // Static Data Member(s) 00143 static GLint g_iGLMaxLights; // GL_MAX_LIGHTS 00144 static GLuint g_uiGLDisplayList; // display list for light models 00145 static int g_iTotalLights; // Number of lights created 00146 //------------------------------------------------------------------------- 00147 }; // END CLASS OpenGLLightModel 00148 00149 //============================================================================= 00150 END_NAMESPACE_TAPs__OpenGL 00151 //----------------------------------------------------------------------------- 00152 // Include definition if TAPs_USE_EXPORT is not defined 00153 //#if !defined( TAPs_USE_EXPORT ) 00154 #include "TAPsOpenGLLightModel.cpp" 00155 //#endif 00156 //----------------------------------------------------------------------------- 00157 #endif 00158 //34567890123456789012345678901234567890123456789012345678901234567890123456789 00159 //--+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----
1.7.4 
