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Viewing changes to source/Irrlicht/CParticleGravityAffector.cpp

  • Committer: Mantas Kriaučiūnas
  • Date: 2011-07-18 13:06:25 UTC
  • Revision ID: mantas@akl.lt-20110718130625-c5pvifp61e7kj1ol
Included whole irrlicht SVN libraries to work around launchpad recipe issue with quilt, see https://answers.launchpad.net/launchpad/+question/165193

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source/Irrlicht/CParticleGravityAffector.cpp
 
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// Copyright (C) 2002-2011 Nikolaus Gebhardt
 
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// This file is part of the "Irrlicht Engine".
 
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// For conditions of distribution and use, see copyright notice in irrlicht.h
 
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#include "CParticleGravityAffector.h"
 
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#include "os.h"
 
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#include "IAttributes.h"
 
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namespace irr
 
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{
 
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namespace scene
 
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{
 
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//! constructor
 
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CParticleGravityAffector::CParticleGravityAffector(
 
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        const core::vector3df& gravity, u32 timeForceLost)
 
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        : IParticleGravityAffector(), TimeForceLost(static_cast<f32>(timeForceLost)), Gravity(gravity)
 
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{
 
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        #ifdef _DEBUG
 
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        setDebugName("CParticleGravityAffector");
 
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        #endif
 
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}
 
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//! Affects an array of particles.
 
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void CParticleGravityAffector::affect(u32 now, SParticle* particlearray, u32 count)
 
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{
 
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        if (!Enabled)
 
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                return;
 
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        f32 d;
 
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        for (u32 i=0; i<count; ++i)
 
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        {
 
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                d = (now - particlearray[i].startTime) / TimeForceLost;
 
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                if (d > 1.0f)
 
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                        d = 1.0f;
 
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                if (d < 0.0f)
 
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                        d = 0.0f;
 
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                d = 1.0f - d;
 
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                particlearray[i].vector = particlearray[i].startVector.getInterpolated(Gravity, d);
 
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        }
 
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}
 
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//! Writes attributes of the object.
 
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void CParticleGravityAffector::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
 
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{
 
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        out->addVector3d("Gravity", Gravity);
 
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        out->addFloat("TimeForceLost", TimeForceLost);
 
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}
 
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//! Reads attributes of the object.
 
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void CParticleGravityAffector::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
 
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{
 
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        Gravity = in->getAttributeAsVector3d("Gravity");
 
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        TimeForceLost = in->getAttributeAsFloat("TimeForceLost");
 
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}
 
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} // end namespace scene
 
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} // end namespace irr
 
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