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diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CParticleGravityAffector.cpp b/libraries/irrlicht-1.8/source/Irrlicht/CParticleGravityAffector.cpp
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--- a/libraries/irrlicht-1.8/source/Irrlicht/CParticleGravityAffector.cpp
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1// Copyright (C) 2002-2012 Nikolaus Gebhardt
2// This file is part of the "Irrlicht Engine".
3// For conditions of distribution and use, see copyright notice in irrlicht.h
4
5#include "CParticleGravityAffector.h"
6#include "os.h"
7#include "IAttributes.h"
8
9namespace irr
10{
11namespace scene
12{
13
14//! constructor
15CParticleGravityAffector::CParticleGravityAffector(
16 const core::vector3df& gravity, u32 timeForceLost)
17 : IParticleGravityAffector(), TimeForceLost(static_cast<f32>(timeForceLost)), Gravity(gravity)
18{
19 #ifdef _DEBUG
20 setDebugName("CParticleGravityAffector");
21 #endif
22}
23
24
25//! Affects an array of particles.
26void CParticleGravityAffector::affect(u32 now, SParticle* particlearray, u32 count)
27{
28 if (!Enabled)
29 return;
30 f32 d;
31
32 for (u32 i=0; i<count; ++i)
33 {
34 d = (now - particlearray[i].startTime) / TimeForceLost;
35 if (d > 1.0f)
36 d = 1.0f;
37 if (d < 0.0f)
38 d = 0.0f;
39 d = 1.0f - d;
40
41 particlearray[i].vector = particlearray[i].startVector.getInterpolated(Gravity, d);
42 }
43}
44
45//! Writes attributes of the object.
46void CParticleGravityAffector::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
47{
48 out->addVector3d("Gravity", Gravity);
49 out->addFloat("TimeForceLost", TimeForceLost);
50}
51
52
53//! Reads attributes of the object.
54void CParticleGravityAffector::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
55{
56 Gravity = in->getAttributeAsVector3d("Gravity");
57 TimeForceLost = in->getAttributeAsFloat("TimeForceLost");
58}
59
60
61
62} // end namespace scene
63} // end namespace irr
64