void TestScene::setup()
{
logger.normalf("Creating image tracer %d x %d, %d frames, %d rays per pixel",
image_width, image_height, anim_frames, rays_per_pixel);
logger.normalf("Output directory: %s", output_dir.c_str());
tracer = new ImageTracer( image_width, image_height,
anim_frames, rays_per_pixel );
#if 0
// Create a subdirectory in the output directory named with the test name, and put standard
// output files in there
tracer->artifacts.output_path = output_dir + "/" + name;
mkdir(tracer->artifacts.output_path.c_str(), 0777);
tracer->artifacts.file_prefix = "";
#else
// Prefix each output file with the test name and put them in the output directory
tracer->artifacts.output_path = output_dir;
tracer->artifacts.file_prefix = name + "_";
#endif
tracer->shader = new BasicDiffuseSpecularShader();
tracer->setCameraTransform( compose(
// move up a bit
makeTranslation( 0.0, 0.5, 0.0 ),
// rotate so we are looking down
makeRotation( -0.2, Vector4(1, 0, 0) ),
// back away from the origin
makeTranslation( 0.0, 0.0, 10.0 )
) );
}
void addBunny( std::shared_ptr<Container> container )
{
AssetLoader loader;
std::string modelPath = "models";
// bunnies
std::string bunnyPath = modelPath + "/stanford/bunny/reconstruction";
auto mesh = loader.load( bunnyPath + "/bun_zipper_res2.ply" );
//auto mesh = loader.load( bunnyPath + "/bun_zipper_res4.ply" );
if( !mesh ) {
fprintf( stderr, "Error loading mesh\n" );
return;
}
//mesh->material = std::make_shared<DiffuseMaterial>( 0.0f, 0.66, 0.42f ); // emerald green
mesh->material = std::make_shared<MirrorMaterial>();
printf("Building octree\n");
auto mesh_octree = new TMOctreeAccelerator( *std::dynamic_pointer_cast<TriangleMesh>(mesh) );
mesh_octree->build();
mesh->accelerator = mesh_octree;
mesh->transform = std::make_shared<Transform>();
*mesh->transform = makeTranslation( Vector4( 0.0, 0.2, -0.5 ) );
container->add( mesh );
}
void addTransformedCubes( std::shared_ptr<Container> container )
{
// Offset cubes for testing AO
float cube_size = 0.2;
auto cube1 = std::make_shared<AxisAlignedSlab>( 0.0, 0.0, 0.0,
cube_size );
auto cube2 = std::make_shared<AxisAlignedSlab>( 0.0, 0.0, 0.0,
cube_size );
auto cube3 = std::make_shared<AxisAlignedSlab>( 0.0, 0.0, 0.0,
cube_size );
cube1->material = std::make_shared<DiffuseMaterial>( 1.0, 0.0, 0.0 );
cube2->material = std::make_shared<DiffuseMaterial>( 0.0, 0.0, 1.0 );
cube3->material = std::make_shared<DiffuseMaterial>( 0.0, 1.0, 0.0 );
cube1->transform = std::make_shared<Transform>();
*cube1->transform = makeTranslation( Vector4( 0.1, 0.5, -1.0 ) );
cube2->transform = std::make_shared<Transform>();
*cube2->transform =
compose(
makeTranslation( Vector4( 0.0, 0.15, -1.0 ) ),
compose(
makeRotation( M_PI / 4.0, Vector4( 0.0, 1.0, 0.0 ) ),
makeRotation( M_PI / 4.0, Vector4( 0.0, 0.0, 1.0 ) )
)
);
cube3->transform = std::make_shared<Transform>();
*cube3->transform =
compose(
makeTranslation( Vector4( -0.3, 0.0, -1.0 ) ),
makeScaling( 0.2, 3.0, 2.0 )
);
container->add( cube1 );
container->add( cube2 );
container->add( cube3 );
addSphereLight( container,
Vector4( 3.0, 3.0, -1.0 ), 0.5,
RGBColor( 1.0, 1.0, 1.0 ), 200.0 );
addGroundPlane( container );
}
void TestScene::setup()
{
tracer = new ImageTracer( image_width, image_height,
anim_frames, rays_per_pixel );
tracer->artifacts.output_path = output_dir;
tracer->artifacts.file_prefix = name + "_";
tracer->shader = new BasicDiffuseSpecularShader();
tracer->setCameraTransform( compose(
// move up a bit
makeTranslation( 0.0, 0.5, 0.0 ),
// rotate so we are looking down
makeRotation( -0.2, Vector4(1, 0, 0) ),
// back away from the origin
makeTranslation( 0.0, 0.0, 10.0 )
) );
}
