mirror of
https://github.com/minetest/irrlicht.git
synced 2024-12-25 02:00:30 +01:00
8310a3fbad
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
|
|
// This file is part of the "Irrlicht Engine".
|
|
// For conditions of distribution and use, see copyright notice in irrlicht.h
|
|
|
|
#include "CParticleFadeOutAffector.h"
|
|
|
|
#ifdef _IRR_COMPILE_WITH_PARTICLES_
|
|
|
|
#include "IAttributes.h"
|
|
#include "os.h"
|
|
|
|
namespace irr
|
|
{
|
|
namespace scene
|
|
{
|
|
|
|
//! constructor
|
|
CParticleFadeOutAffector::CParticleFadeOutAffector(
|
|
const video::SColor& targetColor, u32 fadeOutTime)
|
|
: IParticleFadeOutAffector(), TargetColor(targetColor)
|
|
{
|
|
|
|
#ifdef _DEBUG
|
|
setDebugName("CParticleFadeOutAffector");
|
|
#endif
|
|
|
|
FadeOutTime = fadeOutTime ? static_cast<f32>(fadeOutTime) : 1.0f;
|
|
}
|
|
|
|
|
|
//! Affects an array of particles.
|
|
void CParticleFadeOutAffector::affect(u32 now, SParticle* particlearray, u32 count)
|
|
{
|
|
if (!Enabled)
|
|
return;
|
|
f32 d;
|
|
|
|
for (u32 i=0; i<count; ++i)
|
|
{
|
|
if (particlearray[i].endTime - now < FadeOutTime)
|
|
{
|
|
d = (particlearray[i].endTime - now) / FadeOutTime; // FadeOutTime probably f32 to save casts here (just guessing)
|
|
particlearray[i].color = particlearray[i].startColor.getInterpolated(
|
|
TargetColor, d);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//! Writes attributes of the object.
|
|
//! Implement this to expose the attributes of your scene node animator for
|
|
//! scripting languages, editors, debuggers or xml serialization purposes.
|
|
void CParticleFadeOutAffector::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
|
|
{
|
|
out->addColor("TargetColor", TargetColor);
|
|
out->addFloat("FadeOutTime", FadeOutTime);
|
|
}
|
|
|
|
//! Reads attributes of the object.
|
|
//! Implement this to set the attributes of your scene node animator for
|
|
//! scripting languages, editors, debuggers or xml deserialization purposes.
|
|
//! \param startIndex: start index where to start reading attributes.
|
|
//! \return: returns last index of an attribute read by this affector
|
|
void CParticleFadeOutAffector::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
|
|
{
|
|
TargetColor = in->getAttributeAsColor("TargetColor");
|
|
FadeOutTime = in->getAttributeAsFloat("FadeOutTime");
|
|
}
|
|
|
|
|
|
} // end namespace scene
|
|
} // end namespace irr
|
|
|
|
#endif // _IRR_COMPILE_WITH_PARTICLES_
|