Renames job transform

include/ozz/animation/runtime/motion_blending_job.h

@@ -65,7 +65,7 @@ struct OZZ_ANIMATION_DLL MotionBlendingJob {
     float weight = 0.f;
 
     // The motion delta transform to be blended.
-    const math::Transform* transform = nullptr;
+    const math::Transform* delta = nullptr;
   };
 
   // Job input layers, can be empty or nullptr.

samples/motion_blend/sample_motion_blend.cc

@@ -134,7 +134,7 @@ class MotionBlendSampleApplication : public ozz::sample::Application {
       ozz::animation::MotionBlendingJob::Layer layers[kNumLayers];
       for (size_t i = 0; i < kNumLayers; ++i) {
         const auto& sampler = samplers_[i];
-        layers[i].transform = &sampler.motion_sampler.delta;
+        layers[i].delta = &sampler.motion_sampler.delta;
         layers[i].weight = sampler.weight;
       }
 

src/animation/runtime/motion_blending_job.cc

@@ -39,7 +39,7 @@ bool MotionBlendingJob::Validate() const {
 
   // Validates layers.
   for (const Layer& layer : layers) {
-    valid &= layer.transform != nullptr;
+    valid &= layer.delta != nullptr;
   }
 
   return valid;
@@ -65,16 +65,16 @@ bool MotionBlendingJob::Run() const {
 
     // Decomposes translation into a normalized vector and a length, to limit
     // lerp error while interpolating vector length.
-    const float len = Length(layer.transform->translation);
+    const float len = Length(layer.delta->translation);
     dl = dl + len * weight;
     const float denom = (len == 0.f) ? 0.f : weight / len;
-    dt = dt + layer.transform->translation * denom;
+    dt = dt + layer.delta->translation * denom;
 
     // Accumulates weighted rotation (NLerp). Makes sure quaternions are on the
     // same hemisphere to lerp the shortest arc (using -Q otherwise).
     const float signed_weight =
-        std::copysign(weight, Dot(dr, layer.transform->rotation));
-    dr = dr + layer.transform->rotation * signed_weight;
+        std::copysign(weight, Dot(dr, layer.delta->rotation));
+    dr = dr + layer.delta->rotation * signed_weight;
   }
 
   // Normalizes (weights) and fills output.

test/animation/runtime/motion_blending_job_tests.cc

@@ -46,10 +46,10 @@ TEST(Validate, MotionBlendingJob) {
   EXPECT_FALSE(job.Validate());
 
   ozz::math::Transform transforms[2];
-  layers[0].transform = &transforms[0];
+  layers[0].delta = &transforms[0];
   EXPECT_FALSE(job.Validate());
 
-  layers[1].transform = &transforms[1];
+  layers[1].delta = &transforms[1];
   EXPECT_TRUE(job.Validate());
 }
 
@@ -86,8 +86,8 @@ TEST(Run, MotionBlendingJob) {
   transforms[1].rotation = {-0.f, -.70710677f, -0.f, -.70710677f};
 
   MotionBlendingJob::Layer layers[2];
-  layers[0].transform = &transforms[0];
-  layers[1].transform = &transforms[1];
+  layers[0].delta = &transforms[0];
+  layers[1].delta = &transforms[1];
   job.layers = layers;
 
   // 0 weights