Use SAH to generate BVH & fix ray triangle intersection

1 files changed, 4 insertions, 6 deletions

diff --git a/src/scene.cpp b/src/scene.cpp
index 8e25be7..b44abd5 100644
--- a/src/scene.cpp
+++ b/src/scene.cpp
@@ -80,9 +80,9 @@ scene::scene(camera cam, uint32_t width, uint32_t height)
             auto i2 = mesh_part.indices[i + 1];

             auto i3 = mesh_part.indices[i + 2];

 

-            auto v1 = vertex { .position = mesh_part.positions[i1], .normal = mesh_part.normals[i1] };

-            auto v2 = vertex { .position = mesh_part.positions[i2], .normal = mesh_part.normals[i2] };

-            auto v3 = vertex { .position = mesh_part.positions[i3], .normal = mesh_part.normals[i3] };

+            auto v1 = vertex { .position = mesh_part.positions[i1] };

+            auto v2 = vertex { .position = mesh_part.positions[i2] };

+            auto v3 = vertex { .position = mesh_part.positions[i3] };

 

             triangles.emplace_back(v1, v2, v3);

         }

@@ -94,7 +94,5 @@ scene::scene(camera cam, uint32_t width, uint32_t height)
     // bvh builder(spheres, nodes);

     // builder.exporter();

 

-    for (uint32_t idx = 0; idx < builder.nodes.size(); idx++) {

-        nodes[idx] = builder.nodes[idx];

-    }

+    std::memcpy(nodes.data(), builder.nodes.data(), sizeof(nodes[0]) * nodes.size());

 }