mirror of
https://github.com/minetest/irrlicht.git
synced 2024-12-27 16:37:31 +01:00
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
|
// Copyright (C) 2010-2012 Nikolaus Gebhardt
|
||
|
// This file is part of the "Irrlicht Engine".
|
||
|
// For conditions of distribution and use, see copyright notice in irrlicht.h
|
||
|
|
||
|
#include "CParticleScaleAffector.h"
|
||
|
|
||
|
#ifdef _IRR_COMPILE_WITH_PARTICLES_
|
||
|
|
||
|
#include "IAttributes.h"
|
||
|
|
||
|
namespace irr
|
||
|
{
|
||
|
namespace scene
|
||
|
{
|
||
|
CParticleScaleAffector::CParticleScaleAffector(const core::dimension2df& scaleTo)
|
||
|
: ScaleTo(scaleTo)
|
||
|
{
|
||
|
#ifdef _DEBUG
|
||
|
setDebugName("CParticleScaleAffector");
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
|
||
|
void CParticleScaleAffector::affect (u32 now, SParticle *particlearray, u32 count)
|
||
|
{
|
||
|
for(u32 i=0;i<count;i++)
|
||
|
{
|
||
|
const u32 maxdiff = particlearray[i].endTime - particlearray[i].startTime;
|
||
|
const u32 curdiff = now - particlearray[i].startTime;
|
||
|
const f32 newscale = (f32)curdiff/maxdiff;
|
||
|
particlearray[i].size = particlearray[i].startSize+ScaleTo*newscale;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
void CParticleScaleAffector::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
|
||
|
{
|
||
|
out->addFloat("ScaleToWidth", ScaleTo.Width);
|
||
|
out->addFloat("ScaleToHeight", ScaleTo.Height);
|
||
|
}
|
||
|
|
||
|
|
||
|
void CParticleScaleAffector::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
|
||
|
{
|
||
|
ScaleTo.Width = in->getAttributeAsFloat("ScaleToWidth");
|
||
|
ScaleTo.Height = in->getAttributeAsFloat("ScaleToHeight");
|
||
|
}
|
||
|
|
||
|
|
||
|
E_PARTICLE_AFFECTOR_TYPE CParticleScaleAffector::getType() const
|
||
|
{
|
||
|
return scene::EPAT_SCALE;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#endif // _IRR_COMPILE_WITH_PARTICLES_
|