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Particle Class Reference

#include <particle.hxx>

Collaboration diagram for Particle:

[legend]List of all members.

Public Member Functions
int	get_id ()
void	add_force (const Vector2d &force)
void	clear_force ()
void	set_fixed (bool f)
bool	get_fixed ()
float	get_mass () const
void	update (float delta)
void	draw (ZoomGraphicContext *gc)
void	draw_highlight (ZoomGraphicContext *gc)
void	draw_infos (ZoomGraphicContext *gc)
void	draw_velocity_vector (ZoomGraphicContext *gc)
lisp_object_t *	serialize ()
Public Attributes
Vector2d	pos
Vector2d	velocity
bool	fixed
Vector2d	totale_force
int	spring_links
Friends
class	ParticleFactory

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Member Function Documentation

void Particle::add_force (  const Vector2d &    force )  [inline]

Definition at line 61 of file particle.hxx.

void Particle::clear_force (    )  [inline]

Definition at line 67 of file particle.hxx. Referenced by update().

void Particle::draw (  ZoomGraphicContext *    gc )

Definition at line 86 of file particle.cxx. References GraphicContext::draw_fill_circle(), get_mass(), ZoomGraphicContext::get_parent_gc(), pos, Math::round(), ZoomGraphicContext::world_to_screen(), and Vector2d::y.

void Particle::draw_highlight (  ZoomGraphicContext *    gc )

draws the particle in highlight mode (aka if mouse is over it) Definition at line 63 of file particle.cxx. References GraphicContext::draw_fill_circle(), get_mass(), ZoomGraphicContext::get_parent_gc(), Math::round(), and ZoomGraphicContext::world_to_screen(). Referenced by WorldViewInsertTool::draw_background().

void Particle::draw_infos (  ZoomGraphicContext *    gc )

draws additional infos to this stop Definition at line 71 of file particle.cxx. References GraphicContext::draw_string(), draw_velocity_vector(), get_mass(), ZoomGraphicContext::get_parent_gc(), and ZoomGraphicContext::world_to_screen(). Referenced by WorldViewInsertTool::draw_foreground().

void Particle::draw_velocity_vector (  ZoomGraphicContext *    gc )

Definition at line 106 of file particle.cxx. References ZoomGraphicContext::draw_line(), pos, velocity, Vector2d::x, and Vector2d::y. Referenced by draw_infos().

bool Particle::get_fixed (    )  [inline]

Definition at line 76 of file particle.hxx. Referenced by WorldViewInsertTool::on_fix_press().

int Particle::get_id (    )  [inline]

The id of the particle, used for de/serialisation and copying of the World. The id is uniq only for a single world. Definition at line 57 of file particle.hxx.

float Particle::get_mass (    )  const [inline]

Definition at line 80 of file particle.hxx. Referenced by draw(), draw_highlight(), and draw_infos().

lisp_object_t * Particle::serialize (    )

Definition at line 51 of file particle.cxx. References LispWriter::create_lisp(), LispWriter::write_boolean(), LispWriter::write_float(), LispWriter::write_int(), and LispWriter::write_vector().

void Particle::set_fixed (  bool    f )  [inline]

Definition at line 72 of file particle.hxx. Referenced by WorldViewInsertTool::on_fix_press().

void Particle::update (  float    delta )

Definition at line 114 of file particle.cxx. References clear_force(), Vector2d::norm(), Vector2d::normalize(), pos, totale_force, velocity, Vector2d::x, and Vector2d::y.

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Friends And Related Function Documentation

friend class ParticleFactory [friend]

Definition at line 95 of file particle.hxx.

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Member Data Documentation

bool Particle::fixed

Definition at line 46 of file particle.hxx.

Vector2d Particle::pos

position of the particle Definition at line 37 of file particle.hxx. Referenced by draw(), WorldViewSelectTool::draw_foreground(), WorldViewInsertTool::draw_foreground(), draw_velocity_vector(), Selection::duplicate(), Selection::scale(), Spring::Spring(), and update().

int Particle::spring_links

Number of connection this particle has to other springs Definition at line 53 of file particle.hxx. Referenced by particle_obsolete::operator()(), and Spring::Spring().

Vector2d Particle::totale_force

totale force acting on particle (used as temp-var in update() to collect the forces) Definition at line 50 of file particle.hxx. Referenced by update().

Vector2d Particle::velocity

velocity of the particle Definition at line 40 of file particle.hxx. Referenced by draw_velocity_vector(), particle_obsolete::operator()(), and update().

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The documentation for this class was generated from the following files:

• particle.hxx
• particle.cxx

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