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| #include "rtweekend.h"
#include "camera.h"
#include "hittable.h"
#include "hittable_list.h"
#include "material.h"
#include "sphere.h"
int main(){
hittable_list world;
auto ground_material = make_shared<lambertian>(color(0.5,0.5,0.5));
world.add(make_shared<sphere>(point3(0,-1000,0),1000,ground_material));
for(int a = -11;a < 11;a++){
for(int b = -11;b < 11;b++){
auto choose_mat = random_double();
point3 center(a + 0.9*random_double(), 0.2, b + 0.9*random_double());
if((center - point3(4,0.2,0)).length() > 1.0){
shared_ptr<material> sphere_material;
if(choose_mat < 0.8){
auto albedo = color::random() * color::random();
sphere_material = make_shared<lambertian>(albedo);
world.add(make_shared<sphere>(center,0.2,sphere_material));
}else if(choose_mat < 0.95) {
auto albedo = color::random(0.5,1);
auto fuzz = random_double(0,0.5);
sphere_material = make_shared<metal>(albedo,fuzz);
world.add(make_shared<sphere>(center,0.2,sphere_material));
}else{
sphere_material = make_shared<dielectric>(1.5);
world.add(make_shared<sphere>(center,0.2,sphere_material));
}
}
}
}
auto material1 = make_shared<dielectric>(1.5);
world.add(make_shared<sphere>(point3(0,1,0),1.0,material1));
auto material2 = make_shared<lambertian>(color(0.4, 0.2, 0.1));
world.add(make_shared<sphere>(point3(-4, 1, 0), 1.0, material2));
auto material3 = make_shared<metal>(color(0.7, 0.6, 0.5), 0.0);
world.add(make_shared<sphere>(point3(4, 1, 0), 1.0, material3));
camera cam;
cam.aspect_ratio = 16.0 / 9.0;
cam.image_width = 800;
cam.samples_per_pixel = 100;
cam.max_depth = 50;
cam.vfov = 20;
cam.lookfrom = point3(13,2,3);
cam.lookat = point3(0,0,0);
cam.vup = vec3(0,1,0);
cam.defocus_angle = 0.6;
cam.focus_dist = 10.0;
cam.render(world);
}
|
