Particle Class Reference

#include <particle.h>

Inheritance diagram for Particle:

[legend]Collaboration diagram for Particle:

[legend]List of all members.

Public Member Functions
	Particle (const std::string &name)
	~Particle ()
virtual void	Draw ()
virtual void	Refresh ()
void	SetOnTop (bool b)
bool	IsOnTop ()
bool	StillUseful ()
const bool	CheckOnEndTurn ()
Protected Attributes
bool	on_top
uint	m_initial_time_to_live
uint	m_left_time_to_live
bool	m_check_move_on_end_turn
uint	m_time_between_scale
uint	m_last_refresh
Sprite *	image

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Detailed Description

Definition at line 60 of file particle.h.

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Constructor & Destructor Documentation

Particle::Particle

(

const std::string &

name

)

Definition at line 50 of file particle.cpp.

                                        :
  PhysicalObj(name)
{
  SetCollisionModel(true, false, false);
  m_initial_time_to_live = 20;
  m_check_move_on_end_turn = false;
  m_left_time_to_live = 0;
  m_last_refresh = Time::GetInstance()->Read();
}

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Particle::~Particle

(

)

Definition at line 60 of file particle.cpp.

{
  delete image;
}

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Member Function Documentation

const bool Particle::CheckOnEndTurn

(

)

[inline]

Definition at line 80 of file particle.h.

{ return m_check_move_on_end_turn; }

void Particle::Draw

(

)

[virtual]

Implements PhysicalObj.

Reimplemented in ExplosionSmoke, FireParticle, and IllBubble.

Definition at line 65 of file particle.cpp.

{
  if (m_left_time_to_live > 0)
    image->Draw(GetPosition());
}

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bool Particle::IsOnTop

(

)

[inline]

Definition at line 78 of file particle.h.

{ return on_top; }

void Particle::Refresh

(

)

[virtual]

Implements PhysicalObj.

Reimplemented in BodyMemberParticle, BulletParticle, ExplosionSmoke, FireParticle, GroundParticle, MagicStarParticle, and TeleportMemberParticle.

Definition at line 71 of file particle.cpp.

{
  uint time = Time::GetInstance()->Read() - m_last_refresh;

  UpdatePosition();

  image->Update();

  if (time >= m_time_between_scale) {

    //assert(m_left_time_to_live > 0);
    if (m_left_time_to_live <= 0) return ;

    m_left_time_to_live--;

    float lived_time = m_initial_time_to_live - m_left_time_to_live;

    //during the 1st quarter of the time increase size of particle
    //after the 1st quarter, decrease the alpha value
    if((float)lived_time<m_initial_time_to_live/2.0)
    {
      float coeff = sin((M_PI/2.0)*((float)lived_time/((float)m_initial_time_to_live/2.0)));
      image->Scale(coeff,coeff);
      SetSize(image->GetSize());
      image->SetAlpha(1.0);
    }
    else
    {
      float alpha = 1.0 - sin((M_PI/2.0)*((float)lived_time-((float)m_initial_time_to_live/2.0))/((float)m_initial_time_to_live/2.0));
      image->Scale(1.0,1.0);
      image->SetAlpha(alpha);
    }
    m_last_refresh = Time::GetInstance()->Read() ;
  }
}

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void Particle::SetOnTop

(

bool

b

)

[inline]

Definition at line 77 of file particle.h.

{ on_top = b; }

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bool Particle::StillUseful

(

)

Definition at line 107 of file particle.cpp.

{
  return (m_left_time_to_live > 0);
}

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Member Data Documentation

Sprite* Particle::image [protected]

Definition at line 70 of file particle.h.

bool Particle::m_check_move_on_end_turn [protected]

Definition at line 66 of file particle.h.

uint Particle::m_initial_time_to_live [protected]

Definition at line 64 of file particle.h.

uint Particle::m_last_refresh [protected]

Definition at line 68 of file particle.h.

uint Particle::m_left_time_to_live [protected]

Definition at line 65 of file particle.h.

uint Particle::m_time_between_scale [protected]

Definition at line 67 of file particle.h.

bool Particle::on_top [protected]

Definition at line 63 of file particle.h.

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

• src/particles/particle.h
• src/particles/particle.cpp

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