зеркало из https://github.com/mozilla/gecko-dev.git
76 строки
2.1 KiB
C
76 строки
2.1 KiB
C
/** @file
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@brief Header controlling the OSVR transformation hierarchy
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Must be c-safe!
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@date 2015
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@author
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Sensics, Inc.
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<http://sensics.com/osvr>
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*/
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/*
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// Copyright 2015 Sensics, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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*/
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#ifndef INCLUDED_TransformsC_h_GUID_5B5B7438_42D4_4095_E48A_90E2CC13498E
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#define INCLUDED_TransformsC_h_GUID_5B5B7438_42D4_4095_E48A_90E2CC13498E
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/* Internal Includes */
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#include <osvr/ClientKit/Export.h>
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#include <osvr/Util/APIBaseC.h>
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#include <osvr/Util/ReturnCodesC.h>
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#include <osvr/Util/ClientOpaqueTypesC.h>
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/* Library/third-party includes */
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/* none */
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/* Standard includes */
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/* none */
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OSVR_EXTERN_C_BEGIN
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/** @addtogroup ClientKit
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@{
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*/
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/** @brief Updates the internal "room to world" transformation (applied to all
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tracker data for this client context instance) based on the user's head
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orientation, so that the direction the user is facing becomes -Z to your
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application. Only rotates about the Y axis (yaw).
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Note that this method internally calls osvrClientUpdate() to get a head pose
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so your callbacks may be called during its execution!
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@param ctx Client context
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*/
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OSVR_CLIENTKIT_EXPORT OSVR_ReturnCode
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osvrClientSetRoomRotationUsingHead(OSVR_ClientContext ctx);
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/** @brief Clears/resets the internal "room to world" transformation back to an
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identity transformation - that is, clears the effect of any other
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manipulation of the room to world transform.
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@param ctx Client context
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*/
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OSVR_CLIENTKIT_EXPORT OSVR_ReturnCode
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osvrClientClearRoomToWorldTransform(OSVR_ClientContext ctx);
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/** @} */
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OSVR_EXTERN_C_END
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#endif
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