| author | sl@SLION-WIN7.fritz.box |
| Fri, 15 Jun 2012 03:10:57 +0200 | |
| changeset 0 | bde4ae8d615e |
| permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Camera interface |
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* |
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*/ |
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|
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#ifndef __M3G_CAMERA_H__ |
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#define __M3G_CAMERA_H__ |
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|
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/*! |
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* \internal |
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* \file |
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* \brief Camera interface |
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*/ |
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|
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#include "m3g_gl.h" |
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#include "m3g_node.h" |
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|
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/*! |
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* \internal |
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* \brief Camera node instance data |
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*/ |
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struct M3GCameraImpl |
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{
|
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Node node; |
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|
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M3Gint projType; |
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M3Gfloat heightFov; |
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M3Gfloat aspect; |
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M3Gfloat clipNear; |
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M3Gfloat clipFar; |
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|
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Matrix projMatrix; |
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Vec4 frustumPlanes[6]; |
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|
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M3Gbool frustumPlanesValid; |
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M3Gbool zeroViewVolume; |
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}; |
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|
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/*---------------------------------------------------------------------- |
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* Internal functions |
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*--------------------------------------------------------------------*/ |
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|
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static void m3gInitCamera(Interface *m3g, Camera *camera); |
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static void m3gApplyProjection(const Camera *camera); |
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|
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static const Vec4 *m3gFrustumPlanes(const Camera *camera); |
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static const Matrix *m3gProjectionMatrix(const Camera *camera); |
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|
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M3G_INLINE static M3Gbool m3gValidProjection(const Camera *camera) |
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{
|
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if (camera->zeroViewVolume) {
|
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M3G_LOG1(M3G_LOG_WARNINGS, |
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"Warning: Invalid projection for camera 0x%08X\n", |
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(unsigned) camera); |
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return M3G_FALSE; |
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} |
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return M3G_TRUE; |
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} |
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|
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|
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#endif /*__M3G_CAMERA_H__*/ |