/usr/include/OGRE/Plugins/ParticleFX/OgreAreaEmitter.h is in libogre-dev 1.7.4-3.
This file is owned by root:root, with mode 0o644.
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-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/
Copyright (c) 2000-2011 Torus Knot Software Ltd
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------------------------------
*/
#ifndef __AreaEmitter_H__
#define __AreaEmitter_H__
#include "OgreParticleFXPrerequisites.h"
#include "OgreParticleEmitter.h"
namespace Ogre {
/** Particle emitter which emits particles randomly from points inside
an area (box, sphere, ellipsoid whatever subclasses choose to be).
@remarks
This is an empty superclass and needs to be subclassed. Basic particle
emitter emits particles from/in an (unspecified) area. The
initial direction of these particles can either be a single direction
(i.e. a line), a random scattering inside a cone, or a random
scattering in all directions, depending the 'angle' parameter, which
is the angle across which to scatter the particles either side of the
base direction of the emitter.
*/
class _OgreParticleFXExport AreaEmitter : public ParticleEmitter
{
public:
/** Command object for area emitter size (see ParamCommand).*/
class CmdWidth : public ParamCommand
{
public:
String doGet(const void* target) const;
void doSet(void* target, const String& val);
};
/** Command object for area emitter size (see ParamCommand).*/
class CmdHeight : public ParamCommand
{
public:
String doGet(const void* target) const;
void doSet(void* target, const String& val);
};
/** Command object for area emitter size (see ParamCommand).*/
class CmdDepth : public ParamCommand
{
public:
String doGet(const void* target) const;
void doSet(void* target, const String& val);
};
AreaEmitter(ParticleSystem* psys) : ParticleEmitter(psys) {}
/** See ParticleEmitter. */
unsigned short _getEmissionCount(Real timeElapsed);
/** Overloaded to update the trans. matrix */
void setDirection( const Vector3& direction );
/** Sets the size of the area from which particles are emitted.
@param
size Vector describing the size of the area. The area extends
around the center point by half the x, y and z components of
this vector. The box is aligned such that it's local Z axis points
along it's direction (see setDirection)
*/
void setSize(const Vector3& size);
/** Sets the size of the area from which particles are emitted.
@param x,y,z
Individual axis lengths describing the size of the area. The area
extends around the center point by half the x, y and z components
of this vector. The box is aligned such that it's local Z axis
points along it's direction (see setDirection)
*/
void setSize(Real x, Real y, Real z);
/** Sets the size of the clear space inside the area from where NO particles are emitted.
@param x,y,z
Individual axis lengths describing the size of the clear space.
The clear space is aligned like the outer area.
(see setDirection and setSize)
*/
// void setClearSpace(Real x, Real y, Real z);
/** Sets the width (local x size) of the emitter. */
void setWidth(Real width);
/** Gets the width (local x size) of the emitter. */
Real getWidth(void) const;
/** Sets the height (local y size) of the emitter. */
void setHeight(Real Height);
/** Gets the height (local y size) of the emitter. */
Real getHeight(void) const;
/** Sets the depth (local y size) of the emitter. */
void setDepth(Real Depth);
/** Gets the depth (local y size) of the emitter. */
Real getDepth(void) const;
protected:
/// Size of the area
Vector3 mSize;
/// Local axes, not normalised, their magnitude reflects area size
Vector3 mXRange, mYRange, mZRange;
/// Internal method for generating the area axes
void genAreaAxes(void);
/** Internal for initializing some defaults and parameters
@returns True if custom parameters need initialising
*/
bool initDefaults(const String& mType);
/// Command objects
static CmdWidth msWidthCmd;
static CmdHeight msHeightCmd;
static CmdDepth msDepthCmd;
};
}
#endif
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