51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
#include "global.h" // testing updates
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/*
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-----------------------------------------------------------------------------
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Class: ActorScroller
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Desc: See header.
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Copyright (c) 2001-2002 by the person(s) listed below. All rights reserved.
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Chris Danford
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-----------------------------------------------------------------------------
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*/
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#include "ActorScroller.h"
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#include "ActorCollision.h"
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#include <math.h>
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#include "RageUtil.h"
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ActorScroller::ActorScroller()
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{
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m_fCurrentItem = 0;
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m_fDestinationItem = 0;
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}
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void ActorScroller::Load( float fScrollSecondsPerItem, float fSpacingX, float fSpacingY )
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{
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ASSERT( fScrollSecondsPerItem > 0 );
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m_fScrollSecondsPerItem = fScrollSecondsPerItem;
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m_vSpacing.x = fSpacingX;
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m_vSpacing.y = fSpacingY;
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}
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void ActorScroller::Update( float fDeltaTime )
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{
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ActorFrame::Update( fDeltaTime );
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fapproach( m_fCurrentItem, m_fDestinationItem, fDeltaTime/m_fScrollSecondsPerItem );
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for( unsigned i=0; i<m_SubActors.size(); i++ )
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{
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Actor* pActor = m_SubActors[i];
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float fItemOffset = i - m_fCurrentItem;
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float fX = m_vSpacing.x * fItemOffset;
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float fY = m_vSpacing.y * fItemOffset;
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fX = roundf( fX );
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fY = roundf( fY );
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pActor->SetXY( fX, fY );
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}
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}
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