MicroTrace.cxx

   1 #ifdef _OPENMP
   2 #include <omp.h>
   3 #endif
   4
   5 #include <string>
   6
   7 #include "Vec3f.hxx"
   8 #include "Image.hxx"
   9 #include "PerspectiveCamera.hxx"
  10 #include "Scene.hxx"
  11
  12
  13 void RenderFrameCone(const std::string& fileName)
  14 {
  15   /* Scene definition */
  16   Scene scene;
  17
  18   scene.ParseOBJ("cone.obj", 1.0f);
  19
  20   // alter the camera definition appropriately to see the cow
  21   // you may need to implement some set/get routines for the scene class
  22   scene.setCamera(new PerspectiveCamera(Vec3f(0,0,0.5),
  23                                         Vec3f(0,0,-1),
  24                                         Vec3f(0,1,0),
  25                                         60,
  26                                         640,
  27                                         480));
  28
  29
  30   Image img(scene.camera()->resX(),scene.camera()->resY()); // image array
  31   // primary ray
  32 #pragma omp parallel for
  33   for(int y = 0; y < scene.camera()->resY(); y++)
  34     {
  35       for (int x = 0; x < scene.camera()->resX(); x++)
  36         {
  37
  38           /* Initialize your ray here */
  39           Ray ray;
  40           scene.camera()->InitRay(x+0.5,y+0.5,ray); // initialize ray
  41
  42           Vec3f col = scene.RayTrace(ray);
  43
  44           img(x,y) = col; // store pixel color
  45         }
  46     }
  47   img.WritePPM(fileName); // write final image
  48 }
  49
  50
  51
  52 #define RESX 640 // image x-resolution
  53 #define RESY 480 // image y-resolution
  54
  55 int main(int, char**)
  56 {
  57   RenderFrameCone("cone.ppm");
  58 }