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106 lines
3.5 KiB
C++
106 lines
3.5 KiB
C++
/*****************************************************************************
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** **
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** Neversoft Entertainment **
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** **
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** Copyright (C) 1999 - All Rights Reserved **
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** **
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******************************************************************************
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** **
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** Project: Core Library **
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** **
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** Module: Math (MTH) **
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** **
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** File name: core/math/rot90.cpp **
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** **
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** Created: 07/17/02 - grj **
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** **
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** Description: Rotation 90 Math Class **
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** **
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*****************************************************************************/
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/*****************************************************************************
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** Includes **
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*****************************************************************************/
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#include <core/math.h>
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#include <core/math/rot90.h>
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namespace Mth
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{
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/*****************************************************************************
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** Externals **
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*****************************************************************************/
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/*****************************************************************************
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** Defines **
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*****************************************************************************/
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/*****************************************************************************
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** DBG Defines **
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*****************************************************************************/
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/*****************************************************************************
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** Private Types **
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*****************************************************************************/
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/*****************************************************************************
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** Private Data **
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*****************************************************************************/
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/*****************************************************************************
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** Public Data **
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*****************************************************************************/
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/*****************************************************************************
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** Private Prototypes **
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*****************************************************************************/
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/*****************************************************************************
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** Private Functions **
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*****************************************************************************/
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/*****************************************************************************
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** Public Functions **
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*****************************************************************************/
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/******************************************************************/
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/* */
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/* */
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/******************************************************************/
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void RotateY90( ERot90 angle, int32& x, int32& y, int32& z )
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{
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int32 temp;
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switch (angle)
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{
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case ROT_0:
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break;
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case ROT_90:
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temp = x;
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x = z;
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z = -temp;
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break;
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case ROT_180:
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x = -x;
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z = -z;
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break;
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case ROT_270:
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temp = x;
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x = -z;
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z = temp;
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break;
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default:
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Dbg_MsgAssert(0, ("RotateY90() out of range: %d", angle));
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break;
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}
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}
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} // namespace Mth
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