irrlicht/source/Irrlicht/CParticleScaleAffector.cpp
cutealien 2ae2a551a6 Merging r5975 through r6036 from trunk to ogl-es branch.
GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475
2020-01-03 19:05:16 +00:00

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_