fix: Correct mesh normal transformation and floor shadow rendering

1 files changed, 4 insertions, 2 deletions

diff --git a/src/3d/renderer.cc b/src/3d/renderer.cc
index a9beffe..eea3ff0 100644
--- a/src/3d/renderer.cc
+++ b/src/3d/renderer.cc
@@ -174,7 +174,7 @@ void Renderer3D::update_uniforms(const Scene& scene, const Camera& camera,
       type_id = 4.0f;
     else if (obj.type == ObjectType::MESH)
       type_id = 5.0f;
-    data.params = vec4(type_id, 0, 0, 0);
+    data.params = vec4(type_id, obj.local_extent.x, obj.local_extent.y, obj.local_extent.z);
     obj_data.push_back(data);
     if (obj_data.size() >= kMaxObjects)
       break;
@@ -303,9 +303,11 @@ void Renderer3D::draw(WGPURenderPassEncoder pass, const Scene& scene,
 #if !defined(STRIP_ALL)
   if (s_debug_enabled_) {
     for (const auto& obj : scene.objects) {
-      vec3 extent(1.0f, 1.0f, 1.0f);
+      vec3 extent = obj.local_extent;
       if (obj.type == ObjectType::TORUS) {
         extent = vec3(1.5f, 0.5f, 1.5f);
+      } else if (obj.type != ObjectType::MESH) {
+        extent = vec3(1.0f, 1.0f, 1.0f);
       }
       visual_debug_.add_box(obj.get_model_matrix(), extent,
                             vec3(1.0f, 1.0f, 0.0f)); // Yellow boxes