Added particle affectors with interfaces from IrrSpintz.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@869 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IParticleAffector.h

@@ -17,8 +17,10 @@ namespace scene
 enum E_PARTICLE_AFFECTOR_TYPE
 {
 	EPAT_NONE = 0,
+	EPAT_ATTRACT,
 	EPAT_FADE_OUT,
 	EPAT_GRAVITY,
+	EPAT_ROTATE,
 	EPAT_COUNT
 };
 
@@ -26,8 +28,10 @@ enum E_PARTICLE_AFFECTOR_TYPE
 const c8* const ParticleAffectorTypeNames[] =
 {
 	"None",
+	"Attract",
 	"FadeOut",
 	"Gravity",
+	"Rotate",
 	0
 };
 
@@ -46,10 +50,10 @@ public:
 	virtual void affect(u32 now, SParticle* particlearray, u32 count) = 0;
 
 	//! Sets whether or not the affector is currently enabled.
-	virtual void setEnabled(bool enabled) {Enabled = enabled;}
+	virtual void setEnabled(bool enabled) { Enabled = enabled; }
 
 	//! Gets whether or not the affector is currently enabled.
-	virtual bool getEnabled() const { return Enabled;}
+	virtual bool getEnabled() const { return Enabled; }
 
 	//! Writes attributes of the object.
 	//! Implement this to expose the attributes of your scene node animator for

include/IParticleAttractionAffector.h

+// Copyright (C) 2002-2007 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __I_PARTICLE_ATTRACTION_AFFECTOR_H_INCLUDED__
+#define __I_PARTICLE_ATTRACTION_AFFECTOR_H_INCLUDED__
+
+#include "IParticleAffector.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! A particle affector which attracts or detracts particles.
+class IParticleAttractionAffector : public IParticleAffector
+{
+public:
+
+	//! Set the point that particles will attract to
+	virtual void setPoint( const core::vector3df& point ) = 0;
+
+	//! Set whether or not the particles are attracting or detracting
+	virtual void setAttract( bool attract ) = 0;
+
+	//! Set whether or not this will affect particles in the X direction
+	virtual void setAffectX( bool affect ) = 0;
+
+	//! Set whether or not this will affect particles in the Y direction
+	virtual void setAffectY( bool affect ) = 0;
+
+	//! Set whether or not this will affect particles in the Z direction
+	virtual void setAffectZ( bool affect ) = 0;
+
+	//! Get the point that particles are attracted to
+	virtual const core::vector3df& getPoint() const = 0;
+
+	//! Get whether or not the particles are attracting or detracting
+	virtual bool getAttract() const = 0;
+
+	//! Get whether or not the particles X position are affected
+	virtual bool getAffectX() const = 0;
+
+	//! Get whether or not the particles Y position are affected
+	virtual bool getAffectY() const = 0;
+
+	//! Get whether or not the particles Z position are affected
+	virtual bool getAffectZ() const = 0;
+
+	//! Get emitter type
+	virtual E_PARTICLE_AFFECTOR_TYPE getType() const { return EPAT_ATTRACT; }
+};
+
+} // end namespace scene
+} // end namespace irr
+
+
+#endif // __I_PARTICLE_ATTRACTION_AFFECTOR_H_INCLUDED__
+

include/IParticleFadeOutAffector.h

+// Copyright (C) 2002-2007 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __I_PARTICLE_FADE_OUT_AFFECTOR_H_INCLUDED__
+#define __I_PARTICLE_FADE_OUT_AFFECTOR_H_INCLUDED__
+
+#include "IParticleAffector.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! A particle affector which fades out the particles.
+class IParticleFadeOutAffector : public IParticleAffector
+{
+public:
+
+	//! Sets the targetColor, i.e. the color the particles will interpolate
+	//! to over time.
+	virtual void setTargetColor( const video::SColor& targetColor ) = 0;
+
+	//! Sets the amount of time it takes for each particle to fade out.
+	virtual void setFadeOutTime( f32 fadeOutTime ) = 0;
+
+	//! Sets the targetColor, i.e.the color the particles will interpolate
+	//! to over time.
+	virtual const video::SColor& getTargetColor() const = 0;
+
+	//! Sets the amount of time it takes for each particle to fade out.
+	virtual f32 getFadeOutTime() const = 0;
+
+	//! Get emitter type
+	virtual E_PARTICLE_AFFECTOR_TYPE getType() const { return EPAT_FADE_OUT; }
+};
+
+} // end namespace scene
+} // end namespace irr
+
+
+#endif // __I_PARTICLE_FADE_OUT_AFFECTOR_H_INCLUDED__
+

include/IParticleGravityAffector.h

+// Copyright (C) 2002-2007 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __I_PARTICLE_GRAVITY_AFFECTOR_H_INCLUDED__
+#define __I_PARTICLE_GRAVITY_AFFECTOR_H_INCLUDED__
+
+#include "IParticleAffector.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! A particle affector which applies gravity to particles.
+class IParticleGravityAffector : public IParticleAffector
+{
+public:
+
+	//! Set the time in milliseconds when the gravity force is totally
+	//! lost and the particle does not move any more.
+	virtual void setTimeForceLost( f32 timeForceLost ) = 0;
+
+	//! Set the direction and force of gravity in all 3 dimensions.
+	virtual void setGravity( const core::vector3df& gravity ) = 0;
+
+	//! Get the time in milliseconds when the gravity force is totally
+	//! lost and the particle does not move any more.
+	virtual f32 getTimeForceLost() const = 0;
+
+	//! Get the direction and force of gravity.
+	virtual const core::vector3df& getGravity() const = 0;
+
+	//! Get emitter type
+	virtual E_PARTICLE_AFFECTOR_TYPE getType() const { return EPAT_GRAVITY; }
+};
+
+} // end namespace scene
+} // end namespace irr
+
+
+#endif // __I_PARTICLE_GRAVITY_AFFECTOR_H_INCLUDED__
+

include/IParticleRotationAffector.h

+// Copyright (C) 2002-2007 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __I_PARTICLE_ROTATION_AFFECTOR_H_INCLUDED__
+#define __I_PARTICLE_ROTATION_AFFECTOR_H_INCLUDED__
+
+#include "IParticleAffector.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! A particle affector which rotates the particle system.
+class IParticleRotationAffector : public IParticleAffector
+{
+public:
+
+	//! Set the point that particles will rotate around
+	virtual void setPivotPoint( const core::vector3df& point ) = 0;
+
+	//! Set the speed in degrees per second in all 3 dimensions
+	virtual void setSpeed( const core::vector3df& speed ) = 0;
+
+	//! Get the point that particles are attracted to
+	virtual const core::vector3df& getPivotPoint() const = 0;
+
+	//! Get the speed in degrees per second in all 3 dimensions
+	virtual const core::vector3df& getSpeed() const = 0;
+
+	//! Get emitter type
+	virtual E_PARTICLE_AFFECTOR_TYPE getType() const { return EPAT_ROTATE; }
+};
+
+} // end namespace scene
+} // end namespace irr
+
+
+#endif // __I_PARTICLE_ROTATION_AFFECTOR_H_INCLUDED__
+

include/IParticleSystemSceneNode.h

@@ -7,7 +7,10 @@
 
 #include "ISceneNode.h"
 #include "IParticleEmitter.h"
-#include "IParticleAffector.h"
+#include "IParticleAttractionAffector.h"
+#include "IParticleFadeOutAffector.h"
+#include "IParticleGravityAffector.h"
+#include "IParticleRotationAffector.h"
 #include "dimension2d.h"
 
 namespace irr
@@ -139,6 +142,23 @@ public:
 		u32 lifeTimeMin=2000, u32 lifeTimeMax=4000,
 		s32 maxAngleDegrees=0) = 0;
 
+	//! Creates a point attraction affector. This affector modifies the positions of the
+	//! particles and attracts them to a specified point at a specified speed per second.
+	//! \param point: Point to attract particles to.
+	//! \param speed: Speed in units per second, to attract to the specified point.
+	//! \param attract: Whether the particles attract or detract from this point.
+	//! \param affectX: Whether or not this will affect the X position of the particle.
+	//! \param affectY: Whether or not this will affect the Y position of the particle.
+	//! \param affectZ: Whether or not this will affect the Z position of the particle.
+	//! \return Returns a pointer to the created particle affector.
+	//! To add this affector as new affector of this particle system,
+	//! just call addAffector(). Note that you'll have to drop() the
+	//! returned pointer, after you don't need it any more, see
+	//! IUnknown::drop() for more informations.
+	virtual IParticleAttractionAffector* createAttractionAffector(
+		const core::vector3df& point, f32 speed = 1.0f, bool attract = true,
+		bool affectX = true, bool affectY = true, bool affectZ = true) = 0;
+
 	//! Creates a fade out particle affector. This affector modifies
 	//! the color of every particle and and reaches the final color
 	//! when the particle dies.
@@ -153,8 +173,8 @@ public:
 	//! just call addAffector(). Note that you'll have to drop() the
 	//! returned pointer, after you don't need it any more, see
 	//! IUnknown::drop() for more informations.
-	virtual IParticleAffector* createFadeOutParticleAffector(
-		video::SColor targetColor = video::SColor(0,0,0,0),
+	virtual IParticleFadeOutAffector* createFadeOutParticleAffector(
+		const video::SColor& targetColor = video::SColor(0,0,0,0),
 		u32 timeNeededToFadeOut = 1000) = 0;
 
 	//! Creates a gravity affector. This affector modifies the direction
@@ -171,9 +191,22 @@ public:
 	//! just call addAffector(). Note that you'll have to drop() the
 	//! returned pointer, after you don't need it any more, see
 	//! IUnknown::drop() for more informations.
-	virtual IParticleAffector* createGravityAffector(
+	virtual IParticleGravityAffector* createGravityAffector(
 		const core::vector3df& gravity = core::vector3df(0.0f,-0.03f,0.0f),
 		u32 timeForceLost = 1000) = 0;
+
+	//! Creates a rotation affector. This affector modifies the positions of the
+	//! particles and attracts them to a specified point at a specified speed per second.
+	//! \param speed: Rotation in degrees per second
+	//! \param pivotPoint: Point to rotate the particles around
+	//! \return Returns a pointer to the created particle affector.
+	//! To add this affector as new affector of this particle system,
+	//! just call addAffector(). Note that you'll have to drop() the
+	//! returned pointer, after you don't need it any more, see
+	//! IUnknown::drop() for more informations.
+	virtual IParticleRotationAffector* createRotationAffector(
+		const core::vector3df& speed = core::vector3df(5.0f,5.0f,5.0f),
+		const core::vector3df& pivotPoint = core::vector3df(0.0f,0.0f,0.0f) ) = 0;
 };
 
 } // end namespace scene

source/Irrlicht/CParticleAttractionAffector.cpp

+// Copyright (C) 2002-2007 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#include "CParticleAttractionAffector.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! constructor
+CParticleAttractionAffector::CParticleAttractionAffector(
+		const core::vector3df& point, f32 speed, bool attract,
+		bool affectX, bool affectY, bool affectZ )
+	: Point(point), Speed(speed), AffectX(affectX), AffectY(affectY),
+		AffectZ(affectZ), Attract(attract), LastTime(0)
+{
+}
+
+
+//! Affects an array of particles.
+void CParticleAttractionAffector::affect(u32 now, SParticle* particlearray, u32 count)
+{
+	if( LastTime == 0 )
+	{
+		LastTime = now;
+		return;
+	}
+
+	f32 timeDelta = ( now - LastTime ) / 1000.0f;
+	LastTime = now;
+
+	if( !Enabled )
+		return;
+
+	for(u32 i=0; i<count; ++i)
+	{
+		core::vector3df direction = (Point - particlearray[i].pos).normalize();
+		direction *= Speed * timeDelta;
+
+		if( !Attract )
+			direction *= -1.0f;
+
+		if( AffectX )
+			particlearray[i].pos.X += direction.X;
+
+		if( AffectY )
+			particlearray[i].pos.Y += direction.Y;
+
+		if( AffectZ )
+			particlearray[i].pos.Z += direction.Z;
+	}
+}
+
+
+} // end namespace scene
+} // end namespace irr
+

source/Irrlicht/CParticleAttractionAffector.h

+// Copyright (C) 2002-2007 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __C_PARTICLE_ATTRACTION_AFFECTOR_H_INCLUDED__
+#define __C_PARTICLE_ATTRACTION_AFFECTOR_H_INCLUDED__
+
+#include "IParticleAttractionAffector.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! Particle Affector for attracting particles to a point
+class CParticleAttractionAffector : public IParticleAttractionAffector
+{
+public:
+
+	CParticleAttractionAffector(
+		const core::vector3df& point = core::vector3df(), f32 speed = 1.0f,
+		bool attract = true, bool affectX = true,
+		bool affectY = true, bool affectZ = true );
+
+	//! Affects a particle.
+	virtual void affect(u32 now, SParticle* particlearray, u32 count);
+
+	//! Set the point that particles will attract to
+	virtual void setPoint( const core::vector3df& point ) { Point = point; }
+
+	//! Set the speed, in game units per second that the particles will attract to
+	//! the specified point
+	virtual void setSpeed( f32 speed ) { Speed = speed; }
+
+	//! Set whether or not the particles are attracting or detracting
+	virtual void setAttract( bool attract ) { Attract = attract; }
+
+	//! Set whether or not this will affect particles in the X direction
+	virtual void setAffectX( bool affect ) { AffectX = affect; }
+
+	//! Set whether or not this will affect particles in the Y direction
+	virtual void setAffectY( bool affect ) { AffectY = affect; }
+
+	//! Set whether or not this will affect particles in the Z direction
+	virtual void setAffectZ( bool affect ) { AffectZ = affect; }
+
+	//! Get the point that particles are attracted to
+	virtual const core::vector3df& getPoint() const { return Point; }
+
+	//! Get the speed that points attract to the specified point
+	virtual f32 getSpeed() const { return Speed; }
+
+	//! Get whether or not the particles are attracting or detracting
+	virtual bool getAttract() const { return Attract; }
+
+	//! Get whether or not the particles X position are affected
+	virtual bool getAffectX() const { return AffectX; }
+
+	//! Get whether or not the particles Y position are affected
+	virtual bool getAffectY() const { return AffectY; }
+
+	//! Get whether or not the particles Z position are affected
+	virtual bool getAffectZ() const { return AffectZ; }
+
+private:
+
+	core::vector3df Point;
+	f32 Speed;
+	bool AffectX;
+	bool AffectY;
+	bool AffectZ;
+	bool Attract;
+	u32 LastTime;
+};
+
+} // end namespace scene
+} // end namespace irr
+
+
+#endif // __C_PARTICLE_ATTRACTION_AFFECTOR_H_INCLUDED__
+

source/Irrlicht/CParticleFadeOutAffector.cpp

@@ -13,10 +13,10 @@ namespace scene
 
 //! constructor
 CParticleFadeOutAffector::CParticleFadeOutAffector(
-	video::SColor targetColor, u32 fadeOutTime)
-	: IParticleAffector(), TargetColor(targetColor)
+	const video::SColor& targetColor, u32 fadeOutTime)
+	: IParticleFadeOutAffector(), TargetColor(targetColor)
 {
-	FadeOutTime = fadeOutTime ? (f32)fadeOutTime : 1.0f;
+	FadeOutTime = fadeOutTime ? static_cast<f32>(fadeOutTime) : 1.0f;
 }
 
 
@@ -40,7 +40,7 @@ void CParticleFadeOutAffector::affect(u32 now, SParticle* particlearray, u32 cou
 
 
 //! Writes attributes of the object.
-//! Implement this to expose the attributes of your scene node animator for 
+//! Implement this to expose the attributes of your scene node animator for
 //! scripting languages, editors, debuggers or xml serialization purposes.
 void CParticleFadeOutAffector::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options)
 {
@@ -49,7 +49,7 @@ void CParticleFadeOutAffector::serializeAttributes(io::IAttributes* out, io::SAt
 }
 
 //! Reads attributes of the object.
-//! Implement this to set the attributes of your scene node animator for 
+//! Implement this to set the attributes of your scene node animator for
 //! scripting languages, editors, debuggers or xml deserialization purposes.
 //! \param startIndex: start index where to start reading attributes.
 //! \return: returns last index of an attribute read by this affector

source/Irrlicht/CParticleFadeOutAffector.h

@@ -5,7 +5,7 @@
 #ifndef __C_PARTICLE_FADE_OUT_AFFECTOR_H_INCLUDED__
 #define __C_PARTICLE_FADE_OUT_AFFECTOR_H_INCLUDED__
 
-#include "IParticleAffector.h"
+#include "IParticleFadeOutAffector.h"
 #include "SColor.h"
 
 namespace irr
@@ -14,15 +14,29 @@ namespace scene
 {
 
 //! Particle Affector for fading out a color
-class CParticleFadeOutAffector : public IParticleAffector
+class CParticleFadeOutAffector : public IParticleFadeOutAffector
 {
 public:
 
-	CParticleFadeOutAffector(video::SColor targetColor, u32 fadeOutTime);
+	CParticleFadeOutAffector(const video::SColor& targetColor, u32 fadeOutTime);
 
 	//! Affects a particle.
 	virtual void affect(u32 now, SParticle* particlearray, u32 count);
 
+	//! Sets the targetColor, i.e. the color the particles will interpolate
+	//! to over time.
+	virtual void setTargetColor( const video::SColor& targetColor ) { TargetColor = targetColor; }
+
+	//! Sets the amount of time it takes for each particle to fade out.
+	virtual void setFadeOutTime( f32 fadeOutTime ) { FadeOutTime = fadeOutTime; }
+
+	//! Sets the targetColor, i.e. the color the particles will interpolate
+	//! to over time.
+	virtual const video::SColor& getTargetColor() const { return TargetColor; }
+
+	//! Sets the amount of time it takes for each particle to fade out.
+	virtual f32 getFadeOutTime() const { return FadeOutTime; }
+
 	//! Writes attributes of the object.
 	//! Implement this to expose the attributes of your scene node animator for 
 	//! scripting languages, editors, debuggers or xml serialization purposes.
@@ -35,9 +49,6 @@ public:
 	//! \return: returns last index of an attribute read by this affector
 	virtual s32 deserializeAttributes(s32 startIndex, io::IAttributes* in, io::SAttributeReadWriteOptions* options);
 
-	//! Get emitter type
-	virtual E_PARTICLE_AFFECTOR_TYPE getType() const { return EPAT_FADE_OUT; }
-
 private:
 
 	video::SColor TargetColor;

source/Irrlicht/CParticleGravityAffector.cpp

@@ -14,7 +14,7 @@ namespace scene
 //! constructor
 CParticleGravityAffector::CParticleGravityAffector(
 	const core::vector3df& gravity, u32 timeForceLost)
-	: IParticleAffector(), TimeForceLost((f32)timeForceLost), Gravity(gravity)
+	: IParticleGravityAffector(), TimeForceLost(static_cast<f32>(timeForceLost)), Gravity(gravity)
 {
 }
 

source/Irrlicht/CParticleGravityAffector.h

@@ -5,7 +5,7 @@
 #ifndef __C_PARTICLE_GRAVITY_AFFECTOR_H_INCLUDED__
 #define __C_PARTICLE_GRAVITY_AFFECTOR_H_INCLUDED__
 
-#include "IParticleAffector.h"
+#include "IParticleGravityAffector.h"
 #include "SColor.h"
 
 namespace irr
@@ -14,7 +14,7 @@ namespace scene
 {
 
 //! Particle Affector for affecting direction of particle
-class CParticleGravityAffector : public IParticleAffector
+class CParticleGravityAffector : public IParticleGravityAffector
 {
 public:
 
@@ -25,21 +25,32 @@ public:
 	//! Affects a particle.
 	virtual void affect(u32 now, SParticle* particlearray, u32 count);
 
+	//! Set the time in milliseconds when the gravity force is totally
+	//! lost and the particle does not move any more.
+	virtual void setTimeForceLost( f32 timeForceLost ) { TimeForceLost = timeForceLost; }
+
+	//! Set the direction and force of gravity.
+	virtual void setGravity( const core::vector3df& gravity ) { Gravity = gravity; }
+
+	//! Set the time in milliseconds when the gravity force is totally
+	//! lost and the particle does not move any more.
+	virtual f32 getTimeForceLost() const { return TimeForceLost; }
+
+	//! Set the direction and force of gravity.
+	virtual const core::vector3df& getGravity() const { return Gravity; }
+
 	//! Writes attributes of the object.
-	//! Implement this to expose the attributes of your scene node animator for 
+	//! Implement this to expose the attributes of your scene node animator for
 	//! scripting languages, editors, debuggers or xml serialization purposes.
 	virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options);
 
 	//! Reads attributes of the object.
-	//! Implement this to set the attributes of your scene node animator for 
+	//! Implement this to set the attributes of your scene node animator for
 	//! scripting languages, editors, debuggers or xml deserialization purposes.
 	//! \param startIndex: start index where to start reading attributes.
 	//! \return: returns last index of an attribute read by this affector
 	virtual s32 deserializeAttributes(s32 startIndex, io::IAttributes* in, io::SAttributeReadWriteOptions* options);
 
-	//! Get emitter type
-	virtual E_PARTICLE_AFFECTOR_TYPE getType() const { return EPAT_GRAVITY; }
-
 private:
 
 	f32 TimeForceLost;

source/Irrlicht/CParticleRotationAffector.cpp

+// Copyright (C) 2002-2007 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#include "CParticleRotationAffector.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! constructor
+CParticleRotationAffector::CParticleRotationAffector( const core::vector3df& speed, const core::vector3df& pivotPoint )
+		: PivotPoint(pivotPoint), Speed(speed), LastTime(0)
+{
+}
+
+
+//! Affects an array of particles.
+void CParticleRotationAffector::affect(u32 now, SParticle* particlearray, u32 count)
+{
+	if( LastTime == 0 )
+	{
+		LastTime = now;
+		return;
+	}
+
+	f32 timeDelta = ( now - LastTime ) / 1000.0f;
+	LastTime = now;
+
+	if( !Enabled )
+		return;
+
+	for(u32 i=0; i<count; ++i)
+	{
+		if( Speed.X != 0.0f )
+			particlearray[i].pos.rotateYZBy( timeDelta * Speed.X, PivotPoint );
+
+		if( Speed.Y != 0.0f )
+			particlearray[i].pos.rotateXZBy( timeDelta * Speed.Y, PivotPoint );
+
+		if( Speed.Z != 0.0f )
+			particlearray[i].pos.rotateXYBy( timeDelta * Speed.Z, PivotPoint );
+	}
+}
+
+
+} // end namespace scene
+} // end namespace irr
+

source/Irrlicht/CParticleRotationAffector.h

+// Copyright (C) 2002-2007 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __C_PARTICLE_ROTATION_AFFECTOR_H_INCLUDED__
+#define __C_PARTICLE_ROTATION_AFFECTOR_H_INCLUDED__
+
+#include "IParticleRotationAffector.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! Particle Affector for rotating particles about a point
+class CParticleRotationAffector : public IParticleRotationAffector
+{
+public:
+
+	CParticleRotationAffector( const core::vector3df& speed = core::vector3df(5.0f, 5.0f, 5.0f),
+		const core::vector3df& point = core::vector3df() );
+
+	//! Affects a particle.
+	virtual void affect(u32 now, SParticle* particlearray, u32 count);
+
+	//! Set the point that particles will attract to
+	virtual void setPivotPoint( const core::vector3df& point ) { PivotPoint = point; }
+
+	//! Set the speed in degrees per second
+	virtual void setSpeed( const core::vector3df& speed ) { Speed = speed; }
+
+	//! Get the point that particles are attracted to
+	virtual const core::vector3df& getPivotPoint() const { return PivotPoint; }
+
+	//! Get the speed in degrees per second
+	virtual const core::vector3df& getSpeed() const { return Speed; }
+
+private:
+
+	core::vector3df PivotPoint;
+	core::vector3df Speed;
+	u32 LastTime;
+};
+
+} // end namespace scene
+} // end namespace irr
+
+
+#endif // __C_PARTICLE_ROTATION_AFFECTOR_H_INCLUDED__
+

source/Irrlicht/CParticleSystemSceneNode.cpp

@@ -10,8 +10,10 @@
 
 #include "CParticlePointEmitter.h"
 #include "CParticleBoxEmitter.h"
+#include "CParticleAttractionAffector.h"
 #include "CParticleFadeOutAffector.h"
 #include "CParticleGravityAffector.h"
+#include "CParticleRotationAffector.h"
 #include "SViewFrustum.h"
 
 namespace irr
@@ -133,22 +135,42 @@ IParticleEmitter* CParticleSystemSceneNode::createBoxEmitter(
 
 
 
+//! Creates a point attraction affector. This affector modifies the positions of the
+//! particles and attracts them to a specified point at a specified speed per second.
+IParticleAttractionAffector* CParticleSystemSceneNode::createAttractionAffector(
+	const core::vector3df& point, f32 speed, bool attract,
+	bool affectX, bool affectY, bool affectZ )
+{
+	return new CParticleAttractionAffector( point, speed, attract, affectX, affectY, affectZ );
+}
+
+
 //! Creates a fade out particle affector.
-IParticleAffector* CParticleSystemSceneNode::createFadeOutParticleAffector(
-		video::SColor targetColor,	u32 timeNeededToFadeOut)
+IParticleFadeOutAffector* CParticleSystemSceneNode::createFadeOutParticleAffector(
+		const video::SColor& targetColor, u32 timeNeededToFadeOut)
 {
 	return new CParticleFadeOutAffector(targetColor, timeNeededToFadeOut);
 }
 
 
 //! Creates a gravity affector.
-IParticleAffector* CParticleSystemSceneNode::createGravityAffector(
+IParticleGravityAffector* CParticleSystemSceneNode::createGravityAffector(
 		const core::vector3df& gravity, u32 timeForceLost)
 {
 	return new CParticleGravityAffector(gravity, timeForceLost);
 }
 
 
+//! Creates a rotation affector. This affector rotates the particles around a specified pivot
+//! point.  The speed represents Degrees of rotation per second.
+IParticleRotationAffector* CParticleSystemSceneNode::createRotationAffector(
+	const core::vector3df& speed, const core::vector3df& pivotPoint )
+{
+	return new CParticleRotationAffector( speed, pivotPoint );
+}
+
+
+
 //! pre render event
 void CParticleSystemSceneNode::OnRegisterSceneNode()
 {

source/Irrlicht/CParticleSystemSceneNode.h

@@ -78,16 +78,28 @@ public:
 		u32 lifeTimeMin=2000, u32 lifeTimeMax=4000,
 		s32 maxAngleDegrees=0);
 
+	//! Creates a point attraction affector. This affector modifies the positions of the
+	//! particles and attracts them to a specified point at a specified speed per second.
+	virtual IParticleAttractionAffector* createAttractionAffector(
+		const core::vector3df& point, f32 speed = 1.0f, bool attract = true,
+		bool affectX = true, bool affectY = true, bool affectZ = true);
+
 	//! Creates a fade out particle affector.
-	virtual IParticleAffector* createFadeOutParticleAffector(
-		video::SColor targetColor = video::SColor(0,0,0,0),
+	virtual IParticleFadeOutAffector* createFadeOutParticleAffector(
+		const video::SColor& targetColor = video::SColor(0,0,0,0),
 		u32 timeNeededToFadeOut = 1000);
 
 	//! Creates a gravity affector.
-	virtual IParticleAffector* createGravityAffector(
+	virtual IParticleGravityAffector* createGravityAffector(
 		const core::vector3df& gravity = core::vector3df(0.0f,-0.03f,0.0f),
 		u32 timeForceLost = 1000);
 
+	//! Creates a rotation affector. This affector rotates the particles
+	//! around a specified pivot point. The speed is in Degrees per second.
+	virtual IParticleRotationAffector* createRotationAffector(
+		const core::vector3df& speed = core::vector3df(5.0f,5.0f,5.0f),
+		const core::vector3df& pivotPoint = core::vector3df(0.0f,0.0f,0.0f) );
+
 	//! Sets the size of all particles.
 	virtual void setParticleSize(
 		const core::dimension2d<f32> &size = core::dimension2d<f32>(5.0f, 5.0f));

source/Irrlicht/Makefile

@@ -19,7 +19,7 @@ VERSION = 1.3.1
 #
 
 #List of object files, separated based on engine architecture
-IRROBJ = C3DSMeshFileLoader.o COgreMeshFileLoader.o COBJMeshFileLoader.o CAnimatedMeshMD2.o CAnimatedMeshMD3.o CMD3MeshFileLoader.o CAnimatedMeshMS3D.o CAnimatedMeshB3d.o CAnimatedMeshSceneNode.o CBillboardSceneNode.o CCameraFPSSceneNode.o CCameraMayaSceneNode.o CCameraSceneNode.o CColladaFileLoader.o CCSMLoader.o CDefaultMeshFormatLoader.o CDMFLoader.o CDummyTransformationSceneNode.o CEmptySceneNode.o CGeometryCreator.o CLightSceneNode.o CLMTSMeshFileLoader.o CMeshManipulator.o CMeshSceneNode.o CMetaTriangleSelector.o CMY3DMeshFileLoader.o COCTLoader.o COctTreeSceneNode.o COctTreeTriangleSelector.o CParticleBoxEmitter.o CParticleFadeOutAffector.o CParticleGravityAffector.o CParticlePointEmitter.o CParticleSystemSceneNode.o CQ3LevelMesh.o CSceneCollisionManager.o CSceneManager.o CSceneNodeAnimatorCollisionResponse.o CSceneNodeAnimatorDelete.o CSceneNodeAnimatorFlyCircle.o CSceneNodeAnimatorFlyStraight.o CSceneNodeAnimatorFollowSpline.o CSceneNodeAnimatorRotation.o CSceneNodeAnimatorTexture.o CShadowVolumeSceneNode.o CSkyBoxSceneNode.o CSkyDomeSceneNode.o CTerrainSceneNode.o CTerrainTriangleSelector.o CCubeSceneNode.o CSphereSceneNode.o CTextSceneNode.o CTriangleBBSelector.o CTriangleSelector.o CWaterSurfaceSceneNode.o CXAnimationPlayer.o CXFileReader.o CXMeshFileLoader.o CMeshCache.o CDefaultSceneNodeAnimatorFactory.o CDefaultSceneNodeFactory.o CQuake3ShaderSceneNode.o
+IRROBJ = C3DSMeshFileLoader.o COgreMeshFileLoader.o COBJMeshFileLoader.o CAnimatedMeshMD2.o CAnimatedMeshMD3.o CMD3MeshFileLoader.o CAnimatedMeshMS3D.o CAnimatedMeshB3d.o CAnimatedMeshSceneNode.o CBillboardSceneNode.o CCameraFPSSceneNode.o CCameraMayaSceneNode.o CCameraSceneNode.o CColladaFileLoader.o CCSMLoader.o CDefaultMeshFormatLoader.o CDMFLoader.o CDummyTransformationSceneNode.o CEmptySceneNode.o CGeometryCreator.o CLightSceneNode.o CLMTSMeshFileLoader.o CMeshManipulator.o CMeshSceneNode.o CMetaTriangleSelector.o CMY3DMeshFileLoader.o COCTLoader.o COctTreeSceneNode.o COctTreeTriangleSelector.o CParticleBoxEmitter.o CParticleAttractionAffector.o CParticleFadeOutAffector.o CParticleGravityAffector.o CParticleRotationAffector.o CParticlePointEmitter.o CParticleSystemSceneNode.o CQ3LevelMesh.o CSceneCollisionManager.o CSceneManager.o CSceneNodeAnimatorCollisionResponse.o CSceneNodeAnimatorDelete.o CSceneNodeAnimatorFlyCircle.o CSceneNodeAnimatorFlyStraight.o CSceneNodeAnimatorFollowSpline.o CSceneNodeAnimatorRotation.o CSceneNodeAnimatorTexture.o CShadowVolumeSceneNode.o CSkyBoxSceneNode.o CSkyDomeSceneNode.o CTerrainSceneNode.o CTerrainTriangleSelector.o CCubeSceneNode.o CSphereSceneNode.o CTextSceneNode.o CTriangleBBSelector.o CTriangleSelector.o CWaterSurfaceSceneNode.o CXAnimationPlayer.o CXFileReader.o CXMeshFileLoader.o CMeshCache.o CDefaultSceneNodeAnimatorFactory.o CDefaultSceneNodeFactory.o CQuake3ShaderSceneNode.o
 IRRVIDEOOBJ = COpenGLDriver.o COpenGLNormalMapRenderer.o COpenGLParallaxMapRenderer.o COpenGLShaderMaterialRenderer.o COpenGLTexture.o COpenGLSLMaterialRenderer.o COpenGLExtensionHandler.o CD3D8Driver.o CD3D8NormalMapRenderer.o CD3D8ParallaxMapRenderer.o CD3D8ShaderMaterialRenderer.o CD3D8Texture.o CColorConverter.o CFPSCounter.o CImage.o CImageLoaderBMP.o CImageLoaderJPG.o CImageLoaderPCX.o CImageLoaderPNG.o CImageLoaderPSD.o CImageLoaderTGA.o CImageWriterBMP.o CImageWriterJPG.o CImageWriterPCX.o CImageWriterPNG.o CImageWriterPPM.o CImageWriterPSD.o CImageWriterTGA.o CNullDriver.o CD3D9Driver.o CD3D9HLSLMaterialRenderer.o CD3D9NormalMapRenderer.o CD3D9ParallaxMapRenderer.o CD3D9ShaderMaterialRenderer.o CD3D9Texture.o CVideoModeList.o
 IRRSWRENDEROBJ = CSoftwareDriver.o CSoftwareTexture.o CTRFlat.o CTRFlatWire.o CTRGouraud.o CTRGouraudWire.o CTRTextureFlat.o CTRTextureFlatWire.o CTRTextureGouraud.o CTRTextureGouraudAdd.o CTRTextureGouraudNoZ.o CTRTextureGouraudWire.o CZBuffer.o CTRTextureGouraudVertexAlpha2.o CTRTextureGouraudNoZ2.o CTRTextureLightMap2_M2.o CTRTextureLightMap2_M4.o CTRTextureLightMap2_M1.o CSoftwareDriver2.o CSoftwareTexture2.o CTRTextureGouraud2.o CTRGouraud2.o CTRGouraudAlpha2.o CTRGouraudAlphaNoZ2.o CTRTextureDetailMap2.o CTRTextureGouraudAdd2.o CTRTextureGouraudAddNoZ2.o CTRTextureWire2.o CTRTextureLightMap2_Add.o CTRTextureLightMapGouraud2_M4.o IBurningShader.o CTRTextureBlend.o CTRTextureGouraudAlpha.o CTRTextureGouraudAlphaNoZ.o CDepthBuffer.o
 IRRIOOBJ = CFileList.o CFileSystem.o CLimitReadFile.o CMemoryReadFile.o CReadFile.o CWriteFile.o CXMLReader.o CXMLWriter.o CZipReader.o CPakReader.o irrXML.o CAttributes.o
@@ -38,7 +38,7 @@ CXXINCS = -I../../include -Izlib -Ijpeglib -Ilibpng
 CPPFLAGS = $(CXXINCS) -DIRRLICHT_EXPORTS=1
 CXXFLAGS = -Wall
 ifndef NDEBUG
-CXXFLAGS += -g
+CXXFLAGS += -g -D_DEBUG
 else
 CXXFLAGS += -fexpensive-optimizations -O3
 endif