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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.0 (2010/01/01)
#include "BloodCellController.h"
#include "Wm5Renderer.h"
using namespace Wm5;
WM5_IMPLEMENT_RTTI(Wm5, ParticleController, BloodCellController);
WM5_IMPLEMENT_STREAM(BloodCellController);
WM5_IMPLEMENT_FACTORY(BloodCellController);
WM5_IMPLEMENT_DEFAULT_STREAM(ParticleController, BloodCellController);
WM5_IMPLEMENT_DEFAULT_NAMES(ParticleController, BloodCellController);
//----------------------------------------------------------------------------
BloodCellController::BloodCellController ()
{
}
//----------------------------------------------------------------------------
void BloodCellController::UpdatePointMotion (float)
{
Particles* particles = StaticCast<Particles>(mObject);
const int numParticles = particles->GetNumParticles();
Float4* posSizes = particles->GetPositionSizes();
for (int i = 0; i < numParticles; ++i)
{
for (int j = 0; j < 3; ++j)
{
posSizes[i][j] += 0.01f*Mathf::SymmetricRandom();
if (posSizes[i][j] > 1.0f)
{
posSizes[i][j] = 1.0f;
}
else if (posSizes[i][j] < -1.0f)
{
posSizes[i][j] = -1.0f;
}
}
posSizes[i][3] *= (1.0f + 0.01f*Mathf::SymmetricRandom());
if (posSizes[i][3] > 0.25f)
{
posSizes[i][3] = 0.25f;
}
}
Renderer::UpdateAll(particles->GetVertexBuffer());
}
//----------------------------------------------------------------------------
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