From 351bbcfe87eff3708946d8fb3caf7f826bbd715e Mon Sep 17 00:00:00 2001
From: Faerbit <faerbit@gmail.com>
Date: Tue, 9 Jun 2020 21:39:28 +0200
Subject: [PATCH] Generate less moving spheres.

---
 main.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/main.cpp b/main.cpp
index aea607f..f2ce875 100644
--- a/main.cpp
+++ b/main.cpp
@@ -48,12 +48,18 @@ Bvh_node setup_random_scene(const int sph_i) {
 
             if ((center - Point3(4, 0.2, 0)).length() > 0.9) {
                 std::shared_ptr<Material> sphere_material;
-                if (choose_mat < 0.7) {
-                    // diffuse
+                if (choose_mat < 0.2) {
+                    // diffuse moving
                     auto albedo = Color::random() * Color::random();
                     sphere_material = std::make_shared<Lambertian>(albedo);
                     auto center2 = center + Vec3(0, random_double(0, 0.5), 0);
                     world.add(std::make_shared<Moving_sphere>(center, center2, 0.0, 1.0, 0.2, sphere_material));
+                }
+                if (choose_mat < 0.7) {
+                    // diffuse
+                    auto albedo = Color::random() * Color::random();
+                    sphere_material = std::make_shared<Lambertian>(albedo);
+                    world.add(std::make_shared<Sphere>(center, 0.2, sphere_material));
                 } else if (choose_mat < 0.95) {
                     // metal
                     auto albedo = Color::random(0.5, 1);