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Charles 2001-05-05 13:53:08 +00:00
parent 6120b9bab8
commit d81378013f
4 changed files with 220 additions and 0 deletions
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source/platform/pbwheel.cpp Normal file
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/*=========================================================================
pbwheel.cpp
Author: CRB
Created:
Project: Spongebob
Purpose:
Copyright (c) 2001 Climax Development Ltd
===========================================================================*/
#ifndef __PLATFORM_PBWHEEL_H__
#include "platform\pbwheel.h"
#endif
#ifndef __UTILS_HEADER__
#include "utils\utils.h"
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcBigWheelPlatform::processMovement( int _frames )
{
m_rotation += m_data[m_type].speed * _frames;
m_rotation &= 4095;
Pos.vx = m_base.vx + ( ( m_extension * rcos( m_rotation ) ) >> 12 );
Pos.vy = m_base.vy + ( ( m_extension * rsin( m_rotation ) ) >> 12 );
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcBigWheelPlatform::setWaypoints( sThingPlatform *ThisPlatform )
{
int pointNum;
u16 *PntList=(u16*)MakePtr(ThisPlatform,sizeof(sThingPlatform));
u16 newXPos, newYPos;
newXPos = (u16) *PntList;
PntList++;
newYPos = (u16) *PntList;
PntList++;
DVECTOR startPos;
startPos.vx = newXPos << 4;
startPos.vy = newYPos << 4;
if ( ThisPlatform->PointCount > 1 )
{
newXPos = (u16) *PntList;
PntList++;
newYPos = (u16) *PntList;
PntList++;
DVECTOR pivotPos;
pivotPos.vx = newXPos << 4;
pivotPos.vy = newYPos << 4;
s32 xDist = startPos.vx - pivotPos.vx;
s32 yDist = startPos.vy - pivotPos.vy;
init( pivotPos );
m_rotation = ratan2( abs( yDist ), abs( xDist ) );
m_extension = isqrt2( ( xDist * xDist ) + ( yDist * yDist ) );
}
else
{
init( startPos );
}
}