void Scene::CreateTestScene()
{
Material* lambert1 = new LambertMaterial(glm::vec3(1, 0, 0));
Material* lambert2 = new LambertMaterial(glm::vec3(0, 1, 0));
Cube* c = new Cube();
c->material = lambert1;
c->transform = Transform(glm::vec3(1,0,0), glm::vec3(40,20,45), glm::vec3(1,1,1));
c->create();
c->setBBox();
this->objects.append(c);
Sphere* s = new Sphere();
s->material = lambert2;
s->transform = Transform(glm::vec3(-1,0,0), glm::vec3(30,50,30), glm::vec3(1,2,1));
s->create();
s->setBBox();
this->objects.append(s);
unsigned int w = 400, h = 400;
camera = Camera(w, h);
camera.near_clip = 0.1f;
camera.far_clip = 100.0f;
camera.create();
film = Film(w, h);
}
void Scene::Clear()
{
for(Geometry *g : objects)
{
QString name = g->getGeometryName();
if(QString::compare(name,QString("Mesh")) == 0)
BVHNode::releaseTree(((Mesh*)g)->bvhTree);
delete g;
}
objects.clear();
lights.clear();
for(Material *m : materials)
{
delete m;
}
materials.clear();
camera = Camera();
film = Film();
delete pixel_sampler;
// settting the sampler properties
pixel_sampler = new UniformPixelSampler(1);
//pixel_sampler = new StratifiedPixelSampler(4);
//pixel_sampler = new RandomPixelSampler(4);
}
TEST(CameraTest, GenerateRay){
Camera c = Camera(vec3(0, 0, 1), vec3(0, 0, 0), vec3(0, 1, 0), 90);
Film film = Film(2, 2);
Sample sample = Sample(0, 0);
Ray *ray = new Ray(vec4(0,0,0,1), vec4(0,0,0,0), 0, 0, 100);
c.generateRay(sample, ray, film);
EXPECT_EQ(ray->pos.x, 0);
EXPECT_EQ(ray->pos.y, 0);
EXPECT_EQ(ray->pos.z, 1);
// dir
vec3 dir = glm::normalize(vec3(-1,1,-1));
EXPECT_EQ(ray->dir.x, dir.x);
EXPECT_EQ(ray->dir.y, dir.y);
EXPECT_EQ(ray->dir.z, dir.z);
// another point
Sample sample2 = Sample(2,0);
c.generateRay(sample2, ray, film);
vec3 dir2 = glm::normalize(vec3(1,1,-1));
EXPECT_EQ(ray->dir.x, dir2.x);
EXPECT_EQ(ray->dir.y, dir2.y);
EXPECT_EQ(ray->dir.z, dir2.z);
}
Film::Film()
{
Film(800, 600);
}