Raytracer::Raytracer(): texture(0)
{
prepareTargetBuffer(128,128);
std::shared_ptr<Clump3d> clump(new Clump3d);
//
// Cube
//
std::shared_ptr<MeshGeometry3d> geom1(new MeshGeometry3d());
cube(geom1->getMesh());
geom1->meshChanged();
geom1->setColor(GAL::P4d(1.0, 0.0, 0.0, 1.0));
std::shared_ptr<MeshGeometry3d> geom5(new MeshGeometry3d());
cube(geom5->getMesh());
geom5->meshChanged();
geom5->setColor(GAL::P4d(0.0, 0.7, 1.0, 1.0));
//
// Manifold
//
std::shared_ptr<MeshGeometry<Vertex3d> > geom3(new MeshGeometry<Vertex3d>());
manifold(geom3->getMesh());
geom3->meshChanged();
geom3->setColor(GAL::P4d(1.0, 1.0, 0.0, 1.0));
//
// Sphere
//
std::shared_ptr<SphereGeometry3d> geom2(new SphereGeometry3d(0.5));
geom2->setColor(GAL::P4d(0.0, 1.0, 1.0, 1.0));
std::shared_ptr<SphereGeometry3d> geom4(new SphereGeometry3d(0.25));
geom4->setColor(GAL::P4d(1.0, 0.8, 0.0, 1.0));
clump->addGeometry(geom1);
clump->addGeometry(geom2);
clump->addGeometry(geom3);
clump->addGeometry(geom4);
clump->addGeometry(geom5);
geom1->setTranslation(GAL::P3d(-1,-1,0));
geom2->setTranslation(GAL::P3d(0,1,0));
geom3->setTranslation(GAL::P3d(1,0.5,0));
geom3->setLocalTransform(GAL::EulerRotationX(90.0), 0);
geom4->setTranslation(GAL::P3d(1.2,1,0.8));
geom5->setTranslation(GAL::P3d(0,1,-3));
geom5->setLocalTransform(GAL::EulerRotationY(10.0), 0);
scene.addClump(clump);
std::shared_ptr<Light3d> light1(new Light3d());
light1->setPosition(GAL::P3d(1,4,-1));
light1->setDiffuseColor(GAL::P3d(0.7, 0.7, 0.7));
light1->setSpecularColor(GAL::P3d(1.0, 1.0, 1.0));
light1->setShadow(true);
light1->setSoftShadowWidth(0.05);
scene.addLight(light1);
std::shared_ptr<Light3d> light2(new Light3d());
light2->setPosition(GAL::P3d(-1,4,3));
light2->setDiffuseColor(GAL::P3d(0.7, 0.7, 0.7));
light2->setSpecularColor(GAL::P3d(1.0, 1.0, 1.0));
light2->setShadow(true);
light2->setSoftShadowWidth(0.05);
scene.addLight(light2);
camera.setFrustum(-1, 1, -1, 1, -1, -100);
camera.setTranslation(GAL::P3d(1,2,3));
camera.setLocalTransform(GAL::EulerRotationX(30.0) * GAL::EulerRotationY(15.0), 0);
camera.setFSAA(true);
camera.setRecursionDepth(3);
}
/**
* Return true with probability 1/π.
*
* @tparam Random the type of the random generator.
* @param[in,out] r a random generator.
* @return true with probability 1/π.
**********************************************************************/
template<class Random> bool operator()(Random& r) {
// Return true with prob 1/pi.
int n = geom4(r) + geom4(r) + (prob59(r) ? 1 : 0);
for (int j = 3; j--; ) if (!binom(r, n)) return false;
return true;
}
