Source/Lights.cpp

   1 /**> HEADER FILES <**/
   2 #include "Lights.h"
   3
   4 void SetUpLight(Light* whichsource, int whichlight){
   5         static float qattenuation[]={0.0002f};
   6         static float cattenuation[]={1.5f};
   7         static float lattenuation[]={0.5f};
   8         static float zattenuation[]={0.0f};
   9
  10         //Initialize lights
  11
  12         if(whichlight==0){
  13                 GLfloat LightAmbient[]=         { whichsource->ambient[0], whichsource->ambient[1], whichsource->ambient[2], 1.0f};
  14                 GLfloat LightDiffuse[]=         { whichsource->color[0], whichsource->color[1], whichsource->color[2], 1.0f };
  15                 GLfloat LightPosition[]=        { whichsource->location.x, whichsource->location.y, whichsource->location.z, 0.0f };
  16
  17                 //glLightfv(GL_LIGHT0, GL_QUADRATIC_ATTENUATION, qattenuation);
  18                 glLightfv(GL_LIGHT0, GL_POSITION, LightPosition);
  19                 glLightfv(GL_LIGHT0, GL_AMBIENT, LightAmbient);
  20                 glLightfv(GL_LIGHT0, GL_DIFFUSE, LightDiffuse);
  21                 glEnable(GL_LIGHT0);
  22         }
  23
  24         if(whichlight==1){
  25                 GLfloat LightAmbient[]=         { 0, 0, 0, 1.0f};
  26                 GLfloat LightDiffuse[]=         { whichsource->color[0], whichsource->color[1], whichsource->color[2], 1.0f };
  27                 GLfloat LightPosition[]=        { whichsource->location.x, whichsource->location.y, whichsource->location.z, 1.0f };
  28
  29                 glLightfv(GL_LIGHT1, GL_QUADRATIC_ATTENUATION, qattenuation);
  30                 glLightfv(GL_LIGHT1, GL_POSITION, LightPosition);
  31                 glLightfv(GL_LIGHT1, GL_AMBIENT, LightAmbient);
  32                 glLightfv(GL_LIGHT1, GL_DIFFUSE, LightDiffuse);
  33                 glEnable(GL_LIGHT1);
  34         }
  35
  36         if(whichlight==2){
  37                 GLfloat LightAmbient[]=         { 0, 0, 0, 1.0f};
  38                 GLfloat LightDiffuse[]=         { whichsource->color[0], whichsource->color[1], whichsource->color[2], 1.0f };
  39                 GLfloat LightPosition[]=        { whichsource->location.x, whichsource->location.y, whichsource->location.z, 1.0f };
  40
  41                 glLightfv(GL_LIGHT2, GL_QUADRATIC_ATTENUATION, qattenuation);
  42                 glLightfv(GL_LIGHT2, GL_POSITION, LightPosition);
  43                 glLightfv(GL_LIGHT2, GL_AMBIENT, LightAmbient);
  44                 glLightfv(GL_LIGHT2, GL_DIFFUSE, LightDiffuse);
  45                 glEnable(GL_LIGHT2);
  46         }
  47
  48         if(whichlight==3){
  49                 GLfloat LightAmbient[]=         { 0, 0, 0, 1.0f};
  50                 GLfloat LightDiffuse[]=         { whichsource->color[0], whichsource->color[1], whichsource->color[2], 1.0f };
  51                 GLfloat LightPosition[]=        { whichsource->location.x, whichsource->location.y, whichsource->location.z, 1.0f };
  52
  53                 glLightfv(GL_LIGHT3, GL_QUADRATIC_ATTENUATION, qattenuation);
  54                 glLightfv(GL_LIGHT3, GL_POSITION, LightPosition);
  55                 glLightfv(GL_LIGHT3, GL_AMBIENT, LightAmbient);
  56                 glLightfv(GL_LIGHT3, GL_DIFFUSE, LightDiffuse);
  57                 glEnable(GL_LIGHT3);
  58         }
  59
  60         if(whichlight==4){
  61                 GLfloat LightAmbient[]=         { 0, 0, 0, 1.0f};
  62                 GLfloat LightDiffuse[]=         { whichsource->color[0], whichsource->color[1], whichsource->color[2], 1.0f };
  63                 GLfloat LightPosition[]=        { whichsource->location.x, whichsource->location.y, whichsource->location.z, 1.0f };
  64
  65                 glLightfv(GL_LIGHT4, GL_QUADRATIC_ATTENUATION, qattenuation);
  66                 glLightfv(GL_LIGHT4, GL_POSITION, LightPosition);
  67                 glLightfv(GL_LIGHT4, GL_AMBIENT, LightAmbient);
  68                 glLightfv(GL_LIGHT4, GL_DIFFUSE, LightDiffuse);
  69                 glEnable(GL_LIGHT4);
  70         }
  71
  72         if(whichlight==5){
  73                 GLfloat LightAmbient[]=         { 0, 0, 0, 1.0f};
  74                 GLfloat LightDiffuse[]=         { whichsource->color[0], whichsource->color[1], whichsource->color[2], 1.0f };
  75                 GLfloat LightPosition[]=        { whichsource->location.x, whichsource->location.y, whichsource->location.z, 1.0f };
  76
  77                 glLightfv(GL_LIGHT5, GL_QUADRATIC_ATTENUATION, qattenuation);
  78                 glLightfv(GL_LIGHT5, GL_POSITION, LightPosition);
  79                 glLightfv(GL_LIGHT5, GL_AMBIENT, LightAmbient);
  80                 glLightfv(GL_LIGHT5, GL_DIFFUSE, LightDiffuse);
  81                 glEnable(GL_LIGHT5);
  82         }
  83
  84         if(whichlight==6){
  85                 GLfloat LightAmbient[]=         { 0, 0, 0, 1.0f};
  86                 GLfloat LightDiffuse[]=         { whichsource->color[0], whichsource->color[1], whichsource->color[2], 1.0f };
  87                 GLfloat LightPosition[]=        { whichsource->location.x, whichsource->location.y, whichsource->location.z, 1.0f };
  88
  89                 glLightfv(GL_LIGHT6, GL_QUADRATIC_ATTENUATION, qattenuation);
  90                 glLightfv(GL_LIGHT6, GL_POSITION, LightPosition);
  91                 glLightfv(GL_LIGHT6, GL_AMBIENT, LightAmbient);
  92                 glLightfv(GL_LIGHT6, GL_DIFFUSE, LightDiffuse);
  93                 glEnable(GL_LIGHT6);
  94         }
  95
  96         if(whichlight==7){
  97                 GLfloat LightAmbient[]=         { 0, 0, 0, 1.0f};
  98                 GLfloat LightDiffuse[]=         { whichsource->color[0], whichsource->color[1], whichsource->color[2], 1.0f };
  99                 GLfloat LightPosition[]=        { whichsource->location.x, whichsource->location.y, whichsource->location.z, 1.0f };
 100
 101                 glLightfv(GL_LIGHT7, GL_QUADRATIC_ATTENUATION, qattenuation);
 102                 glLightfv(GL_LIGHT7, GL_POSITION, LightPosition);
 103                 glLightfv(GL_LIGHT7, GL_AMBIENT, LightAmbient);
 104                 glLightfv(GL_LIGHT7, GL_DIFFUSE, LightDiffuse);
 105                 glEnable(GL_LIGHT7);
 106         }
 107 }
 108
 109 void SetUpMainLight(Light* whichsource, int whichlight, float ambientr, float ambientg, float ambientb){
 110         static float qattenuation[]={0.0f};
 111
 112         //Initialize lights
 113
 114         if(whichlight==0){
 115                 GLfloat LightAmbient[]=         { ambientr, ambientg, ambientb, 1.0f};
 116                 GLfloat LightDiffuse[]=         { whichsource->color[0], whichsource->color[1], whichsource->color[2], 1.0f };
 117                 GLfloat LightPosition[]=        { whichsource->location.x, whichsource->location.y, whichsource->location.z, 1.0f };
 118
 119                 glLightfv(GL_LIGHT0, GL_QUADRATIC_ATTENUATION, qattenuation);
 120                 glLightfv(GL_LIGHT0, GL_POSITION, LightPosition);
 121                 glLightfv(GL_LIGHT0, GL_AMBIENT, LightAmbient);
 122                 glLightfv(GL_LIGHT0, GL_DIFFUSE, LightDiffuse);
 123                 glEnable(GL_LIGHT0);
 124         }
 125 }