Rendering Daydream controller in a fixed position.

chrome/browser/android/vr_shell/vr_controller.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/android/vr_shell/vr_controller.h"
 
 #include <algorithm>
 #include <cmath>
 #include <utility>
 
@@ skipping 131 matching lines @@
 }
 
 bool VrController::ButtonDownHappened(gvr::ControllerButton button) {
   return controller_state_->GetButtonDown(button);
 }
 
 bool VrController::ButtonUpHappened(gvr::ControllerButton button) {
   return controller_state_->GetButtonUp(button);
 }
 
+bool VrController::ButtonState(gvr::ControllerButton button) {
+  return controller_state_->GetButtonState(button);
+}
+
 bool VrController::IsConnected() {
   return controller_state_->GetConnectionState() == gvr::kControllerConnected;
 }
 
 void VrController::UpdateState() {
   const int32_t old_status = controller_state_->GetApiStatus();
   const int32_t old_connection_state = controller_state_->GetConnectionState();
   // Read current controller state.
   controller_state_->Update(*controller_api_);
   // Print new API status and connection state, if they changed.
@@ skipping 262 matching lines @@
   gvr::Vec2f velocity = Vector::ScalarMult(displacement, 1 / duration);
 
   float weight = duration / (kRC + duration);
 
   overall_velocity_ =
       Vector::Add(Vector::ScalarMult(overall_velocity_, 1 - weight),
                   Vector::ScalarMult(velocity, weight));
 }
 
 }  // namespace vr_shell