Rename main.cpp file

2024-07-08 18:41:45 -04:00
parent 8a50479e27
commit e1e2d4ac2a
1 changed files with 4 additions and 0 deletions
--- a/main.cpp
+++ b/main.cpp
@@ -0,0 +1,81 @@
+#include "rayTracer.h"
+#include "bvh.h"
+#include "camera.h"
+#include "hittable.h"
+#include "hittableList.h"
+#include "material.h"
+#include "sphere.h"
+#include "texture.h"
+
+int main(void) {
+    // World. 
+    hittableList world;
+
+    auto checker = make_shared<checkerTexture>(0.32, colour(.2, .3, .1), colour(.9, .9, .9));
+    world.add(make_shared<sphere>(point3(0,-1000,0), 1000, make_shared<lambertian>(checker)));
+
+    // Code from the book. 
+    auto ground_material = make_shared<lambertian>(colour(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 = randomDouble();
+            point3 center(a + 0.9*randomDouble(), 0.2, b + 0.9*randomDouble());
+
+            if ((center - point3(4, 0.2, 0)).length() > 0.9) {
+                shared_ptr<material> sphere_material;
+
+                if (choose_mat < 0.8) {
+                    // diffuse
+                    auto albedo = colour::random() * colour::random();
+                    sphere_material = make_shared<lambertian>(albedo);
+                    world.add(make_shared<sphere>(center, 0.2, sphere_material));
+                } else if (choose_mat < 0.95) {
+                    // metal
+                    auto albedo = colour::random(0.5, 1);
+                    auto fuzz = randomDouble(0, 0.5);
+                    sphere_material = make_shared<metal>(albedo, fuzz);
+                    world.add(make_shared<sphere>(center, 0.2, sphere_material));
+
+                    auto center2 = center + vec3(0, randomDouble(0,.5), 0);
+                    world.add(make_shared<sphere>(center, center2, 0.2, sphere_material));
+                } else {
+                    // glass
+                    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>(colour(0.4, 0.2, 0.1));
+    world.add(make_shared<sphere>(point3(-4, 1, 0), 1.0, material2));
+
+    auto material3 = make_shared<metal>(colour(0.7, 0.6, 0.5), 0.0);
+    world.add(make_shared<sphere>(point3(4, 1, 0), 1.0, material3));
+
+    world = hittableList(make_shared<bvh_node>(world));
+
+    // Camera. 
+    camera cam;
+    cam.aspectRatio = 16.0 / 9.0;
+    cam.imageWidth = 400;
+    cam.samplesPerPixel = 100;
+    cam.maxDepth = 50;
+    
+    cam.vFieldOfView = 20;
+    cam.lookFrom = point3(13,2,3);
+    cam.lookAt = point3(0,0,0);
+    cam.vUp = vec3(0,1,0);
+
+    cam.defocusAngle = 0.6;
+    cam.focusDistance = 10;
+
+    cam.render(world);
+    
+    return 0;
+}