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134 lines
3.5 KiB
C++
134 lines
3.5 KiB
C++
/********************************************************************************
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* *
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* Module: *
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* NsVector *
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* Description: *
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* Matrix functionality. *
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* Written by: *
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* Paul Robinson *
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* Copyright: *
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* 2001 Neversoft Entertainment - All rights reserved. *
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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 <math.h>
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#include <string.h>
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#include "p_matrix.h"
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/********************************************************************************
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* Defines. *
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********************************************************************************/
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/********************************************************************************
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* Structures. *
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********************************************************************************/
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/********************************************************************************
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* Local variables. *
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********************************************************************************/
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/********************************************************************************
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* Forward references. *
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********************************************************************************/
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/********************************************************************************
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* Externs. *
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********************************************************************************/
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NsVector::NsVector()
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{
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set( 0.0f, 0.0f, 0.0f );
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}
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NsVector::NsVector( float sx, float sy, float sz )
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{
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set( sx, sy, sz );
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}
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void NsVector::add ( NsVector& a )
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{
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VECAdd( (Vec*)this, (Vec*)&a, (Vec*)this );
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}
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void NsVector::add ( NsVector& a, NsVector& b )
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{
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VECAdd( (Vec*)&a, (Vec*)&b, (Vec*)this );
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}
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void NsVector::cross ( NsVector& a )
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{
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VECCrossProduct( (Vec*)this, (Vec*)&a, (Vec*)this );
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}
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void NsVector::cross ( NsVector& a, NsVector& b )
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{
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VECCrossProduct( (Vec*)&a, (Vec*)&b, (Vec*)this );
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}
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float NsVector::length ( void )
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{
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return VECMag( (Vec*)this );
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}
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float NsVector::distance ( NsVector& a )
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{
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return VECDistance( (Vec*)this, (Vec*)&a );
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}
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float NsVector::dot ( NsVector& a )
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{
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return VECDotProduct( (Vec*)this, (Vec*)&a );
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}
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void NsVector::normalize ( void )
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{
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VECNormalize( (Vec*)this, (Vec*)this );
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}
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void NsVector::normalize ( NsVector& a )
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{
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VECNormalize( (Vec*)&a, (Vec*)this );
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}
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void NsVector::reflect ( NsVector& normal )
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{
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VECReflect( (Vec*)this, (Vec*)&normal, (Vec*)this );
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}
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void NsVector::reflect ( NsVector& a, NsVector& normal )
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{
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VECReflect( (Vec*)&a, (Vec*)&normal, (Vec*)this );
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}
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void NsVector::scale ( float scale )
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{
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VECScale( (Vec*)this, (Vec*)this, scale );
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}
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void NsVector::scale ( NsVector& a, float scale )
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{
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VECScale( (Vec*)&a, (Vec*)this, scale );
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}
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void NsVector::sub ( NsVector& a )
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{
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VECSubtract( (Vec*)this, (Vec*)&a, (Vec*)this );
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}
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void NsVector::sub ( NsVector& a, NsVector& b )
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{
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VECSubtract( (Vec*)&a, (Vec*)&b, (Vec*)this );
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}
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void NsVector::lerp ( NsVector& a, NsVector& b, float t )
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{
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NsVector res;
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res.sub( b, a );
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res.scale( t );
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res.add( a );
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set( res.x, res.y, res.z );
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}
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