/usr/include/libwildmagic/Wm5Particles.h is in libwildmagic-dev 5.13-1ubuntu1.
This file is owned by root:root, with mode 0o644.
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// 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: 5.0.1 (2010/10/01)
#ifndef WM5PARTICLES_H
#define WM5PARTICLES_H
#include "Wm5GraphicsLIB.h"
#include "Wm5TriMesh.h"
namespace Wm5
{
class Camera;
class Culler;
class WM5_GRAPHICS_ITEM Particles : public TriMesh
{
WM5_DECLARE_RTTI;
WM5_DECLARE_NAMES;
WM5_DECLARE_STREAM(Particles);
public:
// Construction and destruction. The VertexFormat object must have
// 3-tuple positions. It must also have 2-tuple texture coordinates in
// channel zero; these are set to the standard ones (unit square per
// quadrilateral). The number of elements of vbuffer must be a multiple
// of 4. The number of elements of particles is 1/4 of the number of
// elements of vbuffer. The index buffer is automatically generated.
// The 'positionSizes' contain position in the first three components
// and size in the fourth component.
Particles (VertexFormat* vformat, VertexBuffer* vbuffer, int indexSize,
Float4* positionSizes, float sizeAdjust);
virtual ~Particles ();
// Member access.
inline int GetNumParticles () const;
inline const Float4* GetPositionSizes () const;
inline Float4* GetPositionSizes ();
void SetSizeAdjust (float sizeAdjust);
inline float GetSizeAdjust () const;
// Allow the application to specify fewer than the maximum number of
// vertices to draw.
void SetNumActive (int numActive);
inline int GetNumActive () const;
// The particles are billboards that always face the camera.
void GenerateParticles (const Camera* camera);
protected:
// Support for hierarchical culling.
virtual void GetVisibleSet (Culler& culler, bool noCull);
int mNumParticles;
Float4* mPositionSizes;
float mSizeAdjust;
int mNumActive;
};
WM5_REGISTER_STREAM(Particles);
typedef Pointer0<Particles> ParticlesPtr;
#include "Wm5Particles.inl"
}
#endif
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