Simplifies constructor.

samples/additive/sample_additive.cc

@@ -65,12 +65,6 @@ OZZ_OPTIONS_DECLARE_STRING(
     "media/animation_curl_additive.ozz", false)
 
 class AdditiveBlendSampleApplication : public ozz::sample::Application {
- public:
-  AdditiveBlendSampleApplication()
-      : base_weight_(0.f),
-        additive_weigths_{.3f, .9f},
-        auto_animate_weights_(true) {}
-
  protected:
   // Updates current animation time and skeleton pose.
   virtual bool OnUpdate(float _dt, float) {
@@ -324,14 +318,14 @@ class AdditiveBlendSampleApplication : public ozz::sample::Application {
   ozz::vector<ozz::math::SoaTransform> locals_;
 
   // Blending weight of the base animation layer.
-  float base_weight_;
+  float base_weight_ = 0.f;
 
   // Poses of local transforms as sampled from curl and splay animations.
   // They are sampled during initialization, as a single pose is used.
   ozz::vector<ozz::math::SoaTransform> additive_locals_[kNumLayers];
 
   // Blending weight of the additive animation layer.
-  float additive_weigths_[kNumLayers];
+  float additive_weigths_[kNumLayers] = {.3f, .9f};
 
   // Buffer of local transforms which stores the blending result.
   ozz::vector<ozz::math::SoaTransform> blended_locals_;
@@ -341,7 +335,7 @@ class AdditiveBlendSampleApplication : public ozz::sample::Application {
   ozz::vector<ozz::math::Float4x4> models_;
 
   // Automatically animates additive weights.
-  bool auto_animate_weights_;
+  bool auto_animate_weights_ = true;
 };
 
 int main(int _argc, const char** _argv) {

samples/attach/sample_attach.cc

@@ -52,9 +52,6 @@ OZZ_OPTIONS_DECLARE_STRING(animation,
                            "media/animation.ozz", false)
 
 class AttachSampleApplication : public ozz::sample::Application {
- public:
-  AttachSampleApplication() : attachment_(0), offset_(-.02f, .03f, .05f) {}
-
  protected:
   // Updates current animation time and skeleton pose.
   virtual bool OnUpdate(float _dt, float) {
@@ -204,10 +201,10 @@ class AttachSampleApplication : public ozz::sample::Application {
   ozz::vector<ozz::math::Float4x4> models_;
 
   // Joint where the object is attached.
-  int attachment_;
+  int attachment_ = 0;
 
   // Offset, translation of the attached object from the joint.
-  ozz::math::Float3 offset_;
+  ozz::math::Float3 offset_ = {-.02f, .03f, .05f};
 };
 
 int main(int _argc, const char** _argv) {

samples/baked/sample_baked.cc

@@ -51,9 +51,6 @@ OZZ_OPTIONS_DECLARE_STRING(animation,
                            "media/animation.ozz", false)
 
 class BakedSampleApplication : public ozz::sample::Application {
- public:
-  BakedSampleApplication() : camera_index_(-1) {}
-
  protected:
   // Updates current animation time and skeleton pose.
   virtual bool OnUpdate(float _dt, float) {
@@ -174,7 +171,7 @@ class BakedSampleApplication : public ozz::sample::Application {
   ozz::vector<ozz::math::Float4x4> models_;
 
   // Camera joint index. -1 if not found.
-  int camera_index_;
+  int camera_index_ = -1;
 };
 
 int main(int _argc, const char** _argv) {

samples/blend/sample_blend.cc

@@ -62,12 +62,6 @@ OZZ_OPTIONS_DECLARE_STRING(animation3,
                            "media/animation3.ozz", false)
 
 class BlendSampleApplication : public ozz::sample::Application {
- public:
-  BlendSampleApplication()
-      : blend_ratio_(.3f),
-        manual_(false),
-        threshold_(ozz::animation::BlendingJob().threshold) {}
-
  protected:
   // Updates current animation time and skeleton pose.
   virtual bool OnUpdate(float _dt, float) {
@@ -291,10 +285,10 @@ class BlendSampleApplication : public ozz::sample::Application {
   // Global blend ratio in range [0,1] that controls all blend parameters and
   // synchronizes playback speeds. A value of 0 gives full weight to the first
   // animation, and 1 to the last.
-  float blend_ratio_;
+  float blend_ratio_ = .3f;
 
   // Switch to manual control of animations and blending parameters.
-  bool manual_;
+  bool manual_ = false;
 
   // The number of layers to blend.
   enum {
@@ -325,7 +319,7 @@ class BlendSampleApplication : public ozz::sample::Application {
   } samplers_[kNumLayers];  // kNumLayers animations to blend.
 
   // Blending job rest pose threshold.
-  float threshold_;
+  float threshold_ = ozz::animation::BlendingJob().threshold;
 
   // Buffer of local transforms which stores the blending result.
   ozz::vector<ozz::math::SoaTransform> blended_locals_;

samples/foot_ik/sample_foot_ik.cc

@@ -97,25 +97,6 @@ static const ozz::math::Float3 kCharacterRayHeightOffset(0.f, 10.f, 0.f);
 static const ozz::math::Float3 kFootRayHeightOffset(0.f, .5f, 0.f);
 
 class FootIKSampleApplication : public ozz::sample::Application {
- public:
-  FootIKSampleApplication()
-      : pelvis_offset_(0.f, 0.f, 0.f),
-        root_translation_(2.17f, 2.f, -2.06f),
-        root_yaw_(-2.f),
-        foot_heigh_(.12f),
-        weight_(1.f),
-        soften_(1.f),
-        auto_character_height_(true),
-        pelvis_correction_(true),
-        two_bone_ik_(true),
-        aim_ik_(true),
-        show_skin_(true),
-        show_joints_(false),
-        show_raycast_(false),
-        show_ankle_target_(false),
-        show_root_(false),
-        show_offsetted_root_(false) {}
-
  protected:
   // Updates current animation time and foot ik.
   virtual bool OnUpdate(float _dt, float) {
@@ -767,32 +748,32 @@ class FootIKSampleApplication : public ozz::sample::Application {
 
   LegRayInfo capsule;
 
-  ozz::math::Float3 pelvis_offset_;
+  ozz::math::Float3 pelvis_offset_ = {0.f, 0.f, 0.f};
 
   // The floor meshes used by the sample (collision and rendering).
   ozz::vector<ozz::sample::Mesh> floors_;
 
   // Root transformation.
-  ozz::math::Float3 root_translation_;
-  float root_yaw_;
+  ozz::math::Float3 root_translation_ = {2.17f, 2.f, -2.06f};
+  float root_yaw_ = -2.f;
 
   // Foot height setting
-  float foot_heigh_;
-
-  float weight_;
-  float soften_;
-
-  bool auto_character_height_;
-  bool pelvis_correction_;
-  bool two_bone_ik_;
-  bool aim_ik_;
-
-  bool show_skin_;
-  bool show_joints_;
-  bool show_raycast_;
-  bool show_ankle_target_;
-  bool show_root_;
-  bool show_offsetted_root_;
+  float foot_heigh_ = .12f;
+
+  float weight_ = 1.f;
+  float soften_ = 1.f;
+
+  bool auto_character_height_ = true;
+  bool pelvis_correction_ = true;
+  bool two_bone_ik_ = true;
+  bool aim_ik_ = true;
+
+  bool show_skin_ = true;
+  bool show_joints_ = false;
+  bool show_raycast_ = false;
+  bool show_ankle_target_ = false;
+  bool show_root_ = false;
+  bool show_offsetted_root_ = false;
 };
 
 int main(int _argc, const char** _argv) {

samples/look_at/sample_look_at.cc

@@ -75,21 +75,6 @@ static_assert(OZZ_ARRAY_SIZE(kJointUpVectors) == kMaxChainLength,
               "Array size mismatch.");
 
 class LookAtSampleApplication : public ozz::sample::Application {
- public:
-  LookAtSampleApplication()
-      : target_offset_(.2f, 1.5f, -.3f),
-        target_extent_(1.f),
-        eyes_offset_(.07f, .1f, 0.f),
-        enable_ik_(true),
-        chain_length_(kMaxChainLength),
-        joint_weight_(.5f),
-        chain_weight_(1.f),
-        show_skin_(true),
-        show_joints_(false),
-        show_target_(true),
-        show_eyes_offset_(false),
-        show_forward_(false) {}
-
  protected:
   // Updates current animation time and skeleton pose.
   virtual bool OnUpdate(float _dt, float _time) {
@@ -492,35 +477,35 @@ class LookAtSampleApplication : public ozz::sample::Application {
   // Sample settings
 
   // Target position management.
-  ozz::math::Float3 target_offset_;
-  float target_extent_;
+  ozz::math::Float3 target_offset_ = {.2f, 1.5f, -.3f};
+  float target_extent_ = 1.f;
   ozz::math::Float3 target_;
 
   // Offset of the look at position in (head) joint local-space.
-  ozz::math::Float3 eyes_offset_;
+  ozz::math::Float3 eyes_offset_ = {.07f, .1f, 0.f};
 
   // IK settings
 
   // Enable IK look at.
-  bool enable_ik_;
+  bool enable_ik_ = true;
 
   // Set length of the chain that is IKed, between 0 and kMaxChainLength.
-  int chain_length_;
+  int chain_length_ = kMaxChainLength;
 
   // Weight given to every joint of the chain. If any joint has a weight of 1,
   // no other following joint will contribute (as the target will be reached).
-  float joint_weight_;
+  float joint_weight_ = .5f;
 
   // Overall weight given to the IK on the full chain. This allows blending in
   // and out of IK.
-  float chain_weight_;
+  float chain_weight_ = 1.f;
 
   // Options
-  bool show_skin_;
-  bool show_joints_;
-  bool show_target_;
-  bool show_eyes_offset_;
-  bool show_forward_;
+  bool show_skin_ = true;
+  bool show_joints_ = false;
+  bool show_target_ = true;
+  bool show_eyes_offset_ = false;
+  bool show_forward_ = false;
 };
 
 int main(int _argc, const char** _argv) {

samples/millipede/sample_millipede.cc

@@ -112,9 +112,6 @@ const RawAnimation::TranslationKey kPrecomputedKeys[] = {
 const int kPrecomputedKeyCount = OZZ_ARRAY_SIZE(kPrecomputedKeys);
 
 class MillipedeSampleApplication : public ozz::sample::Application {
- public:
-  MillipedeSampleApplication() : slice_count_(26) {}
-
  protected:
   virtual bool OnUpdate(float _dt, float) {
     // Updates current animation time
@@ -413,7 +410,7 @@ class MillipedeSampleApplication : public ozz::sample::Application {
   ozz::sample::PlaybackController controller_;
 
   // Millipede skeleton number of slices. 7 joints per slice.
-  int slice_count_;
+  int slice_count_ = 26;
 
   // The millipede skeleton.
   ozz::unique_ptr<ozz::animation::Skeleton> skeleton_;

samples/multithread/sample_multithread.cc

@@ -86,12 +86,7 @@ bool HasThreadingSupport() {
 
 class MultithreadSampleApplication : public ozz::sample::Application {
  public:
-  MultithreadSampleApplication()
-      : characters_(kMaxCharacters),
-        num_characters_(kMaxCharacters / 4),
-        has_threading_support_(HasThreadingSupport()),
-        enable_theading_(has_threading_support_),
-        grain_size_(128) {
+  MultithreadSampleApplication() : characters_(kMaxCharacters) {
     if (has_threading_support_) {
       ozz::log::Out() << "Platform has threading support." << std::endl;
     } else {
@@ -287,7 +282,8 @@ class MultithreadSampleApplication : public ozz::sample::Application {
       ozz::sample::ImGui::OpenClose oc(_im_gui, "Sample control", &oc_open);
       if (oc_open) {
         char label[64];
-        std::snprintf(label, sizeof(label), "Number of entities: %d", num_characters_);
+        std::snprintf(label, sizeof(label), "Number of entities: %d",
+                      num_characters_);
         _im_gui->DoSlider(label, 1, kMaxCharacters, &num_characters_, .7f);
         const int num_joints = num_characters_ * skeleton_.num_joints();
         std::snprintf(label, sizeof(label), "Number of joints: %d", num_joints);
@@ -307,8 +303,8 @@ class MultithreadSampleApplication : public ozz::sample::Application {
           _im_gui->DoSlider(label, kMinGrainSize, kMaxCharacters, &grain_size_,
                             .2f);
           const int num_threads = monitor_.ThreadCount();
-          std::snprintf(label, sizeof(label), "Thread/task count: %d/%d", num_threads,
-                       monitor_.TaskCount());
+          std::snprintf(label, sizeof(label), "Thread/task count: %d/%d",
+                        num_threads, monitor_.TaskCount());
           _im_gui->DoLabel(label);
         }
       }
@@ -356,16 +352,16 @@ class MultithreadSampleApplication : public ozz::sample::Application {
   ozz::vector<Character> characters_;
 
   // Number of used characters.
-  int num_characters_;
+  int num_characters_ = kMaxCharacters / 4;
 
   // Does the current plateform actually has threading support.
-  bool has_threading_support_;
+  bool has_threading_support_ = HasThreadingSupport();
 
   // Enable or disable threading.
-  bool enable_theading_;
+  bool enable_theading_ = has_threading_support_;
 
   // Define the number of characters that a task can handle.
-  int grain_size_;
+  int grain_size_ = 128;
 
   // Data used to monitor and analyze threading.
   ParallelMonitor monitor_;

samples/optimize/sample_optimize.cc

@@ -60,15 +60,7 @@ OZZ_OPTIONS_DECLARE_STRING(animation, "Path to the raw animation file.",
 class OptimizeSampleApplication : public ozz::sample::Application {
  public:
   OptimizeSampleApplication()
-      : selected_display_(eRuntimeAnimation),
-        optimize_(true),
-        joint_setting_enable_(true),
-        joint_(0),
-        enable_iframes_(true),
-        iframe_interval_(10.f),
-        error_record_med_(64),
-        error_record_max_(64),
-        joint_error_record_(64) {}
+      : error_record_med_(64), error_record_max_(64), joint_error_record_(64) {}
 
  protected:
   // Updates current animation time and skeleton pose.
@@ -495,10 +487,10 @@ class OptimizeSampleApplication : public ozz::sample::Application {
     eRawAnimation,
     eAbsoluteError,
   };
-  int selected_display_;
+  int selected_display_ = eRuntimeAnimation;
 
   // Select whether optimization should be performed.
-  bool optimize_;
+  bool optimize_ = true;
 
   // Imported non-optimized animation.
   ozz::animation::offline::RawAnimation raw_animation_;
@@ -510,13 +502,13 @@ class OptimizeSampleApplication : public ozz::sample::Application {
   ozz::animation::offline::AnimationOptimizer::Setting setting_;
 
   // Optimizer joint specific settings.
-  bool joint_setting_enable_;
-  int joint_;
+  bool joint_setting_enable_ = true;
+  int joint_ = 0;
   ozz::animation::offline::AnimationOptimizer::Setting joint_setting_;
 
   // Builder iframe interval
-  bool enable_iframes_;
-  float iframe_interval_;
+  bool enable_iframes_ = true;
+  float iframe_interval_ = 10.f;
 
   // Playback animation controller. This is a utility class that helps with
   // controlling animation playback time.