MovingObject.cpp

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#include "MovingObject.h"
#include "Vector3.h"
#include "Vectormath.h"

MovingObject::MovingObject( ) : GameObject( ) {
  view = Vector3( 0, 0, 1 ); 
  up = Vector3( 0, 1, 0 );
  m_speed = 0.0;
  m_maxspeed = 1.0;
  m_minspeed = -0.09f;
  m_step = 1.0f/20.0f;
}

MovingObject::MovingObject( Vector3 position ) : GameObject( position ) {
  view = Vector3( 0, 0, 1 ); 
  up = Vector3( 0, 1, 0 );
  m_speed = 0.0f;
  m_maxspeed = 1.0f;
  m_minspeed = -0.09f;
  m_step = 1.0f/20.0f;
}

MovingObject::MovingObject( float x, float y, float z ) : GameObject( x, y, z ) {
  view = Vector3( 0, 0, 1 ); 
  up = Vector3( 0, 1, 0 );
  m_speed = 0.0f;
  m_maxspeed = 1.0f;
  m_minspeed = -0.09f;
  m_step = 1.0f/20.0f;
}

MovingObject::~MovingObject( void ) {

}


void MovingObject::pitch( float angle ) {
  Vector3 xa;

  xa = view * up;
  view = VectorMath::rotateVector( angle, xa, view );
  up = VectorMath::rotateVector( angle, xa, up );
}


void MovingObject::roll( float angle ) {
  up = VectorMath::rotateVector( angle, view, up );
}

Vector3 MovingObject::getRight() {
  return view * up;
}

Vector3 MovingObject::getUp() {
  return up;
}

Vector3 MovingObject::getView() {
  return view;
}

void MovingObject::setView( Vector3 v ) { 
  view = v; 
}


void MovingObject::accelerate( float step ) {
  m_speed += step  * m_step;
  if( m_speed < m_minspeed )
    m_speed = m_minspeed;
  if( m_speed > this->m_maxspeed )
    m_speed = this->m_maxspeed;
}

void MovingObject::advance( float t ) {
  setPos( getPos().x + t  * m_speed  * view.x, getPos().y + t  * m_speed  * view.y, getPos().z + t  * m_speed  * view.z );
}

float MovingObject::getMaxSpeed() {
  return m_maxspeed;
}

float MovingObject::getMinSpeed() {
  return m_minspeed;
}

float MovingObject::getSpeed() {
  return m_speed;
}

void MovingObject::setMaxSpeed( float speed) {
  m_maxspeed = speed;
}

void MovingObject::setMinSpeed( float speed ) {
  m_minspeed = speed;
}

void MovingObject::setSpeed( float speed ) {
  if( speed < m_minspeed )
    m_speed = m_minspeed;
  else if( speed > m_maxspeed )
    m_speed = m_maxspeed;
  else
    m_speed = speed;
}

void MovingObject::setStep( float step ) { 
  m_step = step; 
}