diff options
Diffstat (limited to 'viewport.h')
| -rw-r--r-- | viewport.h | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -44,6 +44,7 @@ template<typename T> class viewport { public: virtual bitmap<T> render(const hitlist<T> &world, vec3d viewpoint, uint16_t image_width, uint16_t image_height) = 0; + virtual ~viewport() = default; }; @@ -64,7 +65,8 @@ public: virtual bitmap<T> render(const hitlist<T> &world, vec3d viewpoint, uint16_t image_width, uint16_t image_height) override { bias_ctx bc{}; - return render(world, viewpoint, image_width, image_height, bc); + static constexpr uint64_t default_diffuse_seed = 123456789012345678ULL; + return render(world, viewpoint, image_width, image_height, bc, default_diffuse_seed); } /** @@ -75,8 +77,9 @@ public: */ virtual bitmap<T> render(const hitlist<T> &world, vec3d viewpoint, uint16_t image_width, uint16_t image_height, - bias_ctx &bias) const { + bias_ctx &bias, uint64_t diffuse_seed) const { bitmap<T> image{image_width, image_height}; + random_uv_gen_3d ruvg{diffuse_seed}; double bx, by; const auto r = center - viewpoint; const int img_hw = image_width / 2, img_hh = image_height / 2; @@ -94,8 +97,8 @@ public: .z=0.0 }; // offset on screen plane const auto dir = r + off; // direction vector from camera to current pixel on screen - const ray3d ray{viewpoint, dir}; // from camera to pixel (on the viewport) - const auto pixel = world.color(ray); + ray3d ray{viewpoint, dir}; // from camera to pixel (on the viewport) + const auto pixel = world.color(ray, ruvg); image.set(i + img_hw, -j + img_hh, pixel); } } |