Function addTriangleCube

tutorials/interpolation/interpolation_device.cpp:229–250

adds a triangle cube to the scene */

/* adds a triangle cube to the scene */
unsigned int addTriangleCube (RTCScene scene_i, const Vec3fa& pos)
{
  RTCGeometry geom = rtcNewGeometry(g_device, RTC_GEOMETRY_TYPE_TRIANGLE);

  //rtcSetSharedGeometryBuffer(geom, RTC_BUFFER_TYPE_VERTEX, cube_vertices, 0, sizeof(Vec3fa  ), NUM_VERTICES);
  Vec3fa* vtx = (Vec3fa*) rtcSetNewGeometryBuffer(geom, RTC_BUFFER_TYPE_VERTEX, 0, RTC_FORMAT_FLOAT3, sizeof(Vec3fa), NUM_VERTICES);
  for (unsigned int i=0; i<NUM_VERTICES; i++) vtx[i] = Vec3fa(cube_vertices[i][0]+pos.x,cube_vertices[i][1]+pos.y,cube_vertices[i][2]+pos.z);

  rtcSetGeometryVertexAttributeCount(geom,1);
  //rtcSetSharedGeometryBuffer(geom, RTC_BUFFER_TYPE_INDEX,            0, RTC_FORMAT_UINT3,  cube_tri_indices,   0, 3*sizeof(unsigned int), NUM_TRI_INDICES/3);
  void* indices = rtcSetNewGeometryBuffer(geom, RTC_BUFFER_TYPE_INDEX, 0, RTC_FORMAT_UINT3, 3*sizeof(unsigned int), NUM_TRI_INDICES/3);
  memcpy(indices, cube_tri_indices, NUM_TRI_INDICES*sizeof(unsigned int));
  
  //rtcSetSharedGeometryBuffer(geom, RTC_BUFFER_TYPE_VERTEX_ATTRIBUTE, 0, RTC_FORMAT_FLOAT3, cube_vertex_colors, 0, sizeof(Vec3fa),         NUM_VERTICES);
  void* colors = rtcSetNewGeometryBuffer(geom, RTC_BUFFER_TYPE_VERTEX_ATTRIBUTE, 0, RTC_FORMAT_FLOAT3, sizeof(Vec3fa), NUM_VERTICES);
  memcpy(colors, cube_vertex_colors, NUM_VERTICES*sizeof(Vec3fa));

  rtcCommitGeometry(geom);
  unsigned int geomID = rtcAttachGeometry(scene_i, geom);
  rtcReleaseGeometry(geom);
  return geomID;
}

/* adds a quad cube to the scene */
unsigned int addQuadCube (RTCScene scene_i, const Vec3fa& pos)