Slowly rendering sponza

1 files changed, 5 insertions, 2 deletions

diff --git a/src/gltf.cpp b/src/gltf.cpp
index 0e74aaf..72219d6 100644
--- a/src/gltf.cpp
+++ b/src/gltf.cpp
@@ -78,11 +78,14 @@ void gltf::load_primitive(json &gltf_json, json &primitive, std::vector<std::vec
         auto positions_length = positions_view["byteLength"].get<size_t>();

 

         auto positions_buffer = buffers_content[positions_buffer_index];

-        void* positions_start = positions_buffer.data() + positions_offset;

+        float* positions_start = (float*)(positions_buffer.data() + positions_offset);

 

         mesh_part.positions.resize(positions_length / (sizeof(float) * 3));

 

-        std::memcpy(mesh_part.positions.data(), positions_start, positions_length);

+        for (size_t i = 0; i < positions_length / (sizeof(float) * 3); i++) {

+            mesh_part.positions[i] = vec3(positions_start[i * 3], positions_start[i * 3 + 1], positions_start[i * 3 + 2]);

+        }

+        // std::memcpy(mesh_part.positions.data(), positions_start, positions_length);

     }

 

     {