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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 "RandomController.h"
#include "Wm5Polypoint.h"
#include "Wm5Renderer.h"
#include "Wm5VertexBufferAccessor.h"
using namespace Wm5;
WM5_IMPLEMENT_RTTI(Wm5, PointController, RandomController);
WM5_IMPLEMENT_STREAM(RandomController);
WM5_IMPLEMENT_FACTORY(RandomController);
WM5_IMPLEMENT_DEFAULT_STREAM(PointController, RandomController);
WM5_IMPLEMENT_DEFAULT_NAMES(PointController, RandomController);
//----------------------------------------------------------------------------
RandomController::RandomController ()
{
}
//----------------------------------------------------------------------------
void RandomController::UpdatePointMotion (float)
{
Polypoint* points = StaticCast<Polypoint>(mObject);
VertexBufferAccessor vba(points);
const int numPoints = vba.GetNumVertices();
for (int i = 0; i < numPoints; ++i)
{
Float3& position = vba.Position<Float3>(i);
for (int j = 0; j < 3; ++j)
{
position[j] += 0.01f*Mathf::SymmetricRandom();
if (position[j] > 1.0f)
{
position[j] = 1.0f;
}
else if (position[j] < -1.0f)
{
position[j] = -1.0f;
}
}
}
Renderer::UpdateAll(points->GetVertexBuffer());
}
//----------------------------------------------------------------------------
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