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Unified Diff: Source/modules/vr/VRPositionState.cpp

Issue 848053002: Adding WebVR interface to Blink (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Addressed feedback from philipj@opera.com, rebased Created 5 years, 10 months ago
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Index: Source/modules/vr/VRPositionState.cpp
diff --git a/Source/modules/vr/VRPositionState.cpp b/Source/modules/vr/VRPositionState.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..2f2390e1414c54bf94ba83f5720cdec83649b9a6
--- /dev/null
+++ b/Source/modules/vr/VRPositionState.cpp
@@ -0,0 +1,57 @@
+// Copyright 2014 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 "config.h"
+#include "modules/vr/VRPositionState.h"
+
+namespace blink {
+
+namespace {
+
+DOMPoint* VecToDomPoint(const blink::WebVRVector4& vec, bool valid)
+{
+ if (valid)
+ return DOMPoint::create(vec.x, vec.y, vec.z, vec.w);
+ return 0;
sof 2015/02/24 12:35:29 nullptr
+}
+DOMPoint* VecToDomPoint(const blink::WebVRVector3& vec, bool valid)
+{
+ if (valid)
+ return DOMPoint::create(vec.x, vec.y, vec.z, 0.0);
+ return 0;
sof 2015/02/24 12:35:29 nullptr
+}
+
+}
sof 2015/02/24 12:35:29 // namespace
+
+VRPositionState::VRPositionState()
+ : m_timeStamp(0.0)
+{
+}
+
+VRPositionState::~VRPositionState()
+{
+}
+
+void VRPositionState::setState(const blink::WebHMDSensorState &state)
+{
+ m_timeStamp = state.timestamp;
+ m_orientation = VecToDomPoint(state.orientation, state.flags & WebVRSensorStateOrientation);
+ m_position = VecToDomPoint(state.position, state.flags & WebVRSensorStatePosition);
+ m_angularVelocity = VecToDomPoint(state.angularVelocity, state.flags & WebVRSensorStateAngularVelocity);
+ m_linearVelocity = VecToDomPoint(state.linearVelocity, state.flags & WebVRSensorStateLinearVelocity);
+ m_angularAcceleration = VecToDomPoint(state.angularAcceleration, state.flags & WebVRSensorStateAngularAcceleration);
+ m_linearAcceleration = VecToDomPoint(state.linearAcceleration, state.flags & WebVRSensorStateLinearAcceleration);
+}
+
+void VRPositionState::trace(Visitor* visitor)
+{
+ visitor->trace(m_orientation);
+ visitor->trace(m_position);
+ visitor->trace(m_angularVelocity);
+ visitor->trace(m_linearVelocity);
+ visitor->trace(m_angularAcceleration);
+ visitor->trace(m_linearAcceleration);
+}
+
+} // namespace blink

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