Camera Class Reference

#include <camera.hpp>

Inherits GameObject, and ScriptInterface.

List of all members.

Public Types
enum	CameraMode { NORMAL, AUTOSCROLL, SCROLLTO, MANUAL }
Public Member Functions
	Camera (Sector *sector, std::string name="")
virtual	~Camera ()
void	parse (const Reader &reader)
	parse camera mode from lisp file
void	reset (const Vector &tuxpos)
	reset camera position
const Vector &	get_translation () const
	return camera position
virtual void	update (float elapsed_time)
	This function is called once per frame and allows the object to update it's state.
virtual void	draw (DrawingContext &)
	The GameObject should draw itself onto the provided DrawingContext if this function is called.
virtual void	expose (HSQUIRRELVM vm, SQInteger table_idx)
virtual void	unexpose (HSQUIRRELVM vm, SQInteger table_idx)
void	shake (float speed, float x, float y)
void	set_scrolling (int scroll_x, int scroll_y)
void	scroll_to (const Vector &goal, float scrolltime)
	scroll the upper left edge of the camera in scrolltime seconds to the position goal
void	reload_config ()
Vector	get_center () const
	get the coordinates of the point directly in the center of this camera
Public Attributes
CameraMode	mode
Private Types
enum	LookaheadMode { LOOKAHEAD_NONE, LOOKAHEAD_LEFT, LOOKAHEAD_RIGHT }
	The camera basically provides lookahead on the left or right side or is undecided. More...
Private Member Functions
void	update_scroll_normal (float elapsed_time)
void	update_scroll_autoscroll (float elapsed_time)
void	update_scroll_to (float elapsed_time)
void	keep_in_bounds (Vector &vector)
void	shake ()
	Camera (const Camera &)
Camera &	operator= (const Camera &)
Private Attributes
Vector	translation
Sector *	sector
LookaheadMode	lookahead_mode
float	changetime
Vector	lookahead_pos
Vector	peek_pos
Vector	cached_translation
std::auto_ptr< Path >	autoscroll_path
std::auto_ptr< PathWalker >	autoscroll_walker
Timer	shaketimer
float	shakespeed
float	shakedepth_x
float	shakedepth_y
Vector	scroll_from
Vector	scroll_goal
float	scroll_to_pos
float	scrollspeed
CameraConfig *	config

---

Detailed Description

Definition at line 33 of file camera.hpp.

---

Member Enumeration Documentation

enum Camera::CameraMode

Enumerator:

NORMAL
AUTOSCROLL
SCROLLTO
MANUAL

Definition at line 73 of file camera.hpp.

  {
    NORMAL, AUTOSCROLL, SCROLLTO, MANUAL
  };

enum Camera::LookaheadMode [private]

The camera basically provides lookahead on the left or right side or is undecided.

Enumerator:

LOOKAHEAD_NONE
LOOKAHEAD_LEFT
LOOKAHEAD_RIGHT

Definition at line 96 of file camera.hpp.

                     {
    LOOKAHEAD_NONE, LOOKAHEAD_LEFT, LOOKAHEAD_RIGHT
  };

---

Constructor & Destructor Documentation

Camera::Camera	(	Sector *	sector,
		std::string	name = ""
	)

Definition at line 114 of file camera.cpp.

References config, and reload_config().

                                                :
  mode(NORMAL),
  translation(),
  sector(newsector), 
  lookahead_mode(LOOKAHEAD_NONE),
  changetime(),
  lookahead_pos(),
  peek_pos(),
  cached_translation(),
  autoscroll_path(),
  autoscroll_walker(),
  shaketimer(),
  shakespeed(),
  shakedepth_x(),
  shakedepth_y(),
  scroll_from(),
  scroll_goal(),
  scroll_to_pos(),
  scrollspeed(),
  config()
{
  this->name = name;
  config = new CameraConfig();
  reload_config();
}

Camera::~Camera

(

)

[virtual]

Definition at line 140 of file camera.cpp.

References config.

{
  delete config;
}

Camera::Camera

(

const Camera &

)

[private]

---

Member Function Documentation

void Camera::parse

(

const Reader &

reader

)

parse camera mode from lisp file

Definition at line 172 of file camera.cpp.

References AUTOSCROLL, autoscroll_path, autoscroll_walker, lisp::Lisp::get(), lisp::Lisp::get_lisp(), MANUAL, mode, and NORMAL.

Referenced by Sector::parse_object().

{
  std::string modename;

  reader.get("mode", modename);
  if(modename == "normal") {
    mode = NORMAL;
  } else if(modename == "autoscroll") {
    mode = AUTOSCROLL;

    const lisp::Lisp* pathLisp = reader.get_lisp("path");
    if(pathLisp == NULL)
      throw std::runtime_error("No path specified in autoscroll camera.");

    autoscroll_path.reset(new Path());
    autoscroll_path->read(*pathLisp);
    autoscroll_walker.reset(new PathWalker(autoscroll_path.get()));
  } else if(modename == "manual") {
    mode = MANUAL;
  } else {
    std::stringstream str;
    str << "invalid camera mode '" << modename << "'found in worldfile.";
    throw std::runtime_error(str.str());
  }
}

void Camera::reset

(

const Vector &

tuxpos

)

reset camera position

Definition at line 199 of file camera.cpp.

References cached_translation, keep_in_bounds(), SCREEN_HEIGHT, SCREEN_WIDTH, shakespeed, shaketimer, Timer::stop(), translation, Vector::x, and Vector::y.

Referenced by Sector::activate(), TitleScreen::make_tux_jump(), and FlipLevelTransformer::transform_sector().

{
  translation.x = tuxpos.x - SCREEN_WIDTH/2;
  translation.y = tuxpos.y - SCREEN_HEIGHT/2;

  shakespeed = 0;
  shaketimer.stop();
  keep_in_bounds(translation);

  cached_translation = translation;
}

const Vector & Camera::get_translation

(

)

const

return camera position

Definition at line 166 of file camera.cpp.

References translation.

Referenced by Sector::draw(), Player::draw(), Sector::get_active_region(), SpriteParticle::update(), RainParticleSystem::update(), Particles::update(), MagicBlock::update(), Fireworks::update(), CometParticleSystem::update(), and Bullet::update().

{
  return translation;
}

void Camera::update

(

float

elapsed_time

)

[virtual]

This function is called once per frame and allows the object to update it's state.

The elapsed_time is the time since the last frame in seconds and should be the base for all timed calculations (don't use SDL_GetTicks directly as this will fail in pause mode)

Implements GameObject.

Definition at line 236 of file camera.cpp.

References AUTOSCROLL, mode, NORMAL, SCROLLTO, shake(), update_scroll_autoscroll(), update_scroll_normal(), and update_scroll_to().

{
  switch(mode) {
    case NORMAL:
      update_scroll_normal(elapsed_time);
      break;
    case AUTOSCROLL:
      update_scroll_autoscroll(elapsed_time);
      break;
    case SCROLLTO:
      update_scroll_to(elapsed_time);
      break;
    default:
      break;
  }
  shake();
}

void Camera::draw

(

DrawingContext &

)

[virtual]

The GameObject should draw itself onto the provided DrawingContext if this function is called.

Implements GameObject.

Definition at line 161 of file camera.cpp.

{
}

void Camera::expose	(	HSQUIRRELVM	vm,
		SQInteger	table_idx
	)			[virtual]

Implements ScriptInterface.

Definition at line 146 of file camera.cpp.

References scripting::expose_object(), and GameObject::name.

{
  if(name.empty()) return;
  scripting::Camera* _this = new scripting::Camera(this);
  expose_object(vm, table_idx, _this, name, true);
}

void Camera::unexpose	(	HSQUIRRELVM	vm,
		SQInteger	table_idx
	)			[virtual]

Implements ScriptInterface.

Definition at line 154 of file camera.cpp.

References GameObject::name, and scripting::unexpose_object().

{
  if(name.empty()) return;
  scripting::unexpose_object(vm, table_idx, name);
}

void Camera::shake	(	float	speed,
		float	x,
		float	y
	)

Definition at line 212 of file camera.cpp.

References shakedepth_x, shakedepth_y, shakespeed, shaketimer, and Timer::start().

Referenced by Player::collision_solid(), IceCrusher::collision_solid(), and Yeti::drop_stalactite().

{
  shaketimer.start(time);
  shakedepth_x = x;
  shakedepth_y = y;
  shakespeed = M_PI/2 / time;
}

void Camera::set_scrolling	(	int	scroll_x,
		int	scroll_y
	)			[inline]

Definition at line 59 of file camera.hpp.

References translation, Vector::x, and Vector::y.

  {
    translation.x = scroll_x;
    translation.y = scroll_y;
  }

void Camera::scroll_to	(	const Vector &	goal,
		float	scrolltime
	)

scroll the upper left edge of the camera in scrolltime seconds to the position goal

Definition at line 221 of file camera.cpp.

References keep_in_bounds(), mode, scroll_from, scroll_goal, scroll_to_pos, scrollspeed, SCROLLTO, and translation.

{
  scroll_from = translation;
  scroll_goal = goal;
  keep_in_bounds(scroll_goal);

  scroll_to_pos = 0;
  scrollspeed = 1.0 / scrolltime;
  mode = SCROLLTO;
}

void Camera::reload_config

(

)

Definition at line 255 of file camera.cpp.

References config, CameraConfig::load(), log_debug, and log_info.

Referenced by Camera().

{
  if(PHYSFS_exists("camera.cfg")) {
    try {
      config->load("camera.cfg");
      log_info << "Loaded camera.cfg." << std::endl;
    } catch(std::exception &e) {
      log_debug << "Couldn't load camera.cfg, using defaults ("
                << e.what() << ")" << std::endl;
    }
  }
}

Vector Camera::get_center

(

)

const

get the coordinates of the point directly in the center of this camera

Definition at line 632 of file camera.cpp.

References SCREEN_HEIGHT, SCREEN_WIDTH, and translation.

Referenced by GameSession::update(), and AmbientSound::update().

                         {
  return translation + Vector(SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2);
}

void Camera::update_scroll_normal

(

float

elapsed_time

)

[private]

Definition at line 304 of file camera.cpp.

References cached_translation, CAMERA_EPSILON, changetime, clamp(), CameraConfig::clamp_x, CameraConfig::clamp_y, config, Player::dir, CameraConfig::dirchange_time, DOWN, CameraConfig::dynamic_max_speed_x, CameraConfig::dynamic_speed_sm, CameraConfig::edge_x, Player::fall_mode, Player::FALLING, game_time, MovingObject::get_bbox(), Rectf::get_bottom(), Rectf::get_height(), Sector::get_height(), Rectf::get_middle(), Sector::get_width(), Player::is_dying(), Player::JUMPING, keep_in_bounds(), CameraConfig::kirby_rectsize_x, CameraConfig::kirby_rectsize_y, Player::last_ground_y, LEFT, LOOKAHEAD_LEFT, lookahead_mode, LOOKAHEAD_NONE, lookahead_pos, LOOKAHEAD_RIGHT, CameraConfig::max_speed_x, CameraConfig::max_speed_y, Rectf::p2, PEEK_ARRIVE_RATIO, peek_pos, Player::peeking_direction_x(), Player::peeking_direction_y(), Sector::player, RIGHT, SCREEN_HEIGHT, SCREEN_WIDTH, sector, CameraConfig::sensitive_x, CameraConfig::target_x, CameraConfig::target_y, Player::TRAMPOLINE_JUMP, translation, UP, Vector::x, CameraConfig::xmode, Vector::y, and CameraConfig::ymode.

Referenced by update().

{
  const CameraConfig& config = *(this->config);
  Player* player = sector->player;
  // TODO: co-op mode needs a good camera
  Vector player_pos(player->get_bbox().get_middle().x,
                                    player->get_bbox().get_bottom());
  static Vector last_player_pos = player_pos;
  Vector player_delta = player_pos - last_player_pos;
  last_player_pos = player_pos;

  // check that we don't have division by zero later
  if(elapsed_time < CAMERA_EPSILON)
    return;

  /****** Vertical Scrolling part ******/
  int ymode = config.ymode;

  if(player->is_dying() || sector->get_height() == 19*32) {
    ymode = 0;
  }
  if(ymode == 1) {
    cached_translation.y = player_pos.y - SCREEN_HEIGHT * config.target_y;
  }
  if(ymode == 2) {
    // target_y is the high we target our scrolling at. This is not always the
    // high of the player, but if he is jumping upwards we should use the
    // position where he last touched the ground. (this probably needs
    // exceptions for trampolines and similar things in the future)
    float target_y;
    if(player->fall_mode == Player::JUMPING)
      target_y = player->last_ground_y + player->get_bbox().get_height();
    else
      target_y = player->get_bbox().p2.y;
    target_y -= SCREEN_HEIGHT * config.target_y;

    // delta_y is the distance we'd have to travel to directly reach target_y
    float delta_y = cached_translation.y - target_y;
    // speed is the speed the camera would need to reach target_y in this frame
    float speed_y = delta_y / elapsed_time;

    // limit the camera speed when jumping upwards
    if(player->fall_mode != Player::FALLING
       && player->fall_mode != Player::TRAMPOLINE_JUMP) {
      speed_y = clamp(speed_y, -config.max_speed_y, config.max_speed_y);
    }

    // scroll with calculated speed
    cached_translation.y -= speed_y * elapsed_time;
  }
  if(ymode == 3) {
    float halfsize = config.kirby_rectsize_y * 0.5f;
    cached_translation.y = clamp(cached_translation.y,
                                 player_pos.y - SCREEN_HEIGHT * (0.5f + halfsize),
                                 player_pos.y - SCREEN_HEIGHT * (0.5f - halfsize));
  }
  if(ymode == 4) {
    float upperend = SCREEN_HEIGHT * config.edge_x;
    float lowerend = SCREEN_HEIGHT * (1 - config.edge_x);

    if (player_delta.y < -CAMERA_EPSILON) {
      // walking left
      lookahead_pos.y -= player_delta.y * config.dynamic_speed_sm;

      if(lookahead_pos.y > lowerend) {
        lookahead_pos.y = lowerend;
      }
    } else if (player_delta.y > CAMERA_EPSILON) {
      // walking right
      lookahead_pos.y -= player_delta.y * config.dynamic_speed_sm;
      if(lookahead_pos.y < upperend) {
        lookahead_pos.y = upperend;
      }
    }

    // adjust for level ends
    if (player_pos.y < upperend) {
      lookahead_pos.y = upperend;
    }
    if (player_pos.y > sector->get_width() - upperend) {
      lookahead_pos.y = lowerend;
    }

    cached_translation.y = player_pos.y - lookahead_pos.y;
  }

  translation.y = cached_translation.y;

  if(ymode != 0) {
    float top_edge, bottom_edge;
    if(config.clamp_y <= 0) {
      top_edge = 0;
      bottom_edge = SCREEN_HEIGHT;
    } else {
      top_edge = SCREEN_HEIGHT*config.clamp_y;
      bottom_edge = SCREEN_HEIGHT*(1-config.clamp_y);
    }

    float peek_to = 0;
    float translation_compensation = player_pos.y - translation.y;

    if(player->peeking_direction_y() == ::UP) {
      peek_to = bottom_edge - translation_compensation;
    } else if(player->peeking_direction_y() == ::DOWN) {
      peek_to = top_edge - translation_compensation;
    }

    float peek_move = (peek_to - peek_pos.y) * PEEK_ARRIVE_RATIO;
    if(fabs(peek_move) < 1.0) {
      peek_move = 0.0;
    }

    peek_pos.y += peek_move;

    translation.y -= peek_pos.y;

    if(config.clamp_y > 0) {
      translation.y = clamp(translation.y,
                            player_pos.y - SCREEN_HEIGHT * (1-config.clamp_y),
                            player_pos.y - SCREEN_HEIGHT * config.clamp_y);
      cached_translation.y = clamp(cached_translation.y,
                                   player_pos.y - SCREEN_HEIGHT * (1-config.clamp_y),
                                   player_pos.y - SCREEN_HEIGHT * config.clamp_y);
    }
  }

  /****** Horizontal scrolling part *******/
  int xmode = config.xmode;

  if(player->is_dying())
    xmode = 0;

  if(xmode == 1) {
    cached_translation.x = player_pos.x - SCREEN_WIDTH * config.target_x;
  }
  if(xmode == 2) {
    // our camera is either in leftscrolling, rightscrolling or
    // nonscrollingmode.
    //
    // when suddenly changing directions while scrolling into the other
    // direction abort scrolling, since tux might be going left/right at a
    // relatively small part of the map (like when jumping upwards)

    // Find out direction in which the player moves
    LookaheadMode walkDirection;
    if (player_delta.x < -CAMERA_EPSILON) walkDirection = LOOKAHEAD_LEFT;
    else if (player_delta.x > CAMERA_EPSILON) walkDirection = LOOKAHEAD_RIGHT;
    else if (player->dir == ::LEFT) walkDirection = LOOKAHEAD_LEFT;
    else walkDirection = LOOKAHEAD_RIGHT;

    float LEFTEND, RIGHTEND;
    if(config.sensitive_x > 0) {
      LEFTEND = SCREEN_WIDTH * config.sensitive_x;
      RIGHTEND = SCREEN_WIDTH * (1-config.sensitive_x);
    } else {
      LEFTEND = SCREEN_WIDTH;
      RIGHTEND = 0;
    }

    if(lookahead_mode == LOOKAHEAD_NONE) {
      /* if we're undecided then look if we crossed the left or right
       * "sensitive" area */
      if(player_pos.x < cached_translation.x + LEFTEND) {
        lookahead_mode = LOOKAHEAD_LEFT;
      } else if(player_pos.x > cached_translation.x + RIGHTEND) {
        lookahead_mode = LOOKAHEAD_RIGHT;
      }
      /* at the ends of a level it's obvious which way we will go */
      if(player_pos.x < SCREEN_WIDTH*0.5) {
        lookahead_mode = LOOKAHEAD_RIGHT;
      } else if(player_pos.x >= sector->get_width() - SCREEN_WIDTH*0.5) {
        lookahead_mode = LOOKAHEAD_LEFT;
      }

      changetime = -1;
    } else if(lookahead_mode != walkDirection) {
      /* player changed direction while camera was scrolling...
       * he has to do this for a certain time to add robustness against
       * sudden changes */
      if(changetime < 0) {
        changetime = game_time;
      } else if(game_time - changetime > config.dirchange_time) {
        if(lookahead_mode == LOOKAHEAD_LEFT &&
           player_pos.x > cached_translation.x + RIGHTEND) {
          lookahead_mode = LOOKAHEAD_RIGHT;
        } else if(lookahead_mode == LOOKAHEAD_RIGHT &&
                  player_pos.x < cached_translation.x + LEFTEND) {
          lookahead_mode = LOOKAHEAD_LEFT;
        } else {
          lookahead_mode = LOOKAHEAD_NONE;
        }
      }
    } else {
      changetime = -1;
    }

    LEFTEND = SCREEN_WIDTH * config.edge_x;
    RIGHTEND = SCREEN_WIDTH * (1-config.edge_x);

    // calculate our scroll target depending on scroll mode
    float target_x;
    if(lookahead_mode == LOOKAHEAD_LEFT)
      target_x = player_pos.x - RIGHTEND;
    else if(lookahead_mode == LOOKAHEAD_RIGHT)
      target_x = player_pos.x - LEFTEND;
    else
      target_x = cached_translation.x;

    // that's the distance we would have to travel to reach target_x
    float delta_x = cached_translation.x - target_x;
    // the speed we'd need to travel to reach target_x in this frame
    float speed_x = delta_x / elapsed_time;

    // limit our speed
    float player_speed_x = player_delta.x / elapsed_time;
    float maxv = config.max_speed_x + (fabsf(player_speed_x * config.dynamic_max_speed_x));
    speed_x = clamp(speed_x, -maxv, maxv);

    // apply scrolling
    cached_translation.x -= speed_x * elapsed_time;
  }
  if(xmode == 3) {
    float halfsize = config.kirby_rectsize_x * 0.5f;
    cached_translation.x = clamp(cached_translation.x,
                                 player_pos.x - SCREEN_WIDTH * (0.5f + halfsize),
                                 player_pos.x - SCREEN_WIDTH * (0.5f - halfsize));
  }
  if(xmode == 4) {
    float LEFTEND = SCREEN_WIDTH * config.edge_x;
    float RIGHTEND = SCREEN_WIDTH * (1 - config.edge_x);

    if (player_delta.x < -CAMERA_EPSILON) {
      // walking left
      lookahead_pos.x -= player_delta.x * config.dynamic_speed_sm;
      if(lookahead_pos.x > RIGHTEND) {
        lookahead_pos.x = RIGHTEND;
      }

    } else if (player_delta.x > CAMERA_EPSILON) {
      // walking right
      lookahead_pos.x -= player_delta.x * config.dynamic_speed_sm;
      if(lookahead_pos.x < LEFTEND) {
        lookahead_pos.x = LEFTEND;
      }
    }

    // adjust for level ends
    if (player_pos.x < LEFTEND) {
      lookahead_pos.x = LEFTEND;
    }
    if (player_pos.x > sector->get_width() - LEFTEND) {
      lookahead_pos.x = RIGHTEND;
    }

    cached_translation.x = player_pos.x - lookahead_pos.x;
  }

  translation.x = cached_translation.x;

  if(xmode != 0) {
    float left_edge, right_edge;
    if(config.clamp_x <= 0) {
      left_edge = 0;
      right_edge = SCREEN_WIDTH;
    } else {
      left_edge = SCREEN_WIDTH*config.clamp_x;
      right_edge = SCREEN_WIDTH*(1-config.clamp_x);
    }

    float peek_to = 0;
    float translation_compensation = player_pos.x - translation.x;

    if(player->peeking_direction_x() == ::LEFT) {
      peek_to = right_edge - translation_compensation;
    } else if(player->peeking_direction_x() == ::RIGHT) {
      peek_to = left_edge - translation_compensation;
    }

    float peek_move = (peek_to - peek_pos.x) * PEEK_ARRIVE_RATIO;
    if(fabs(peek_move) < 1.0) {
      peek_move = 0.0;
    }

    peek_pos.x += peek_move;

    translation.x -= peek_pos.x;

    if(config.clamp_x > 0) {
      translation.x = clamp(translation.x,
                            player_pos.x - SCREEN_WIDTH * (1-config.clamp_x),
                            player_pos.x - SCREEN_WIDTH * config.clamp_x);

      cached_translation.x = clamp(cached_translation.x,
                                   player_pos.x - SCREEN_WIDTH * (1-config.clamp_x),
                                   player_pos.x - SCREEN_WIDTH * config.clamp_x);
    }
  }

  keep_in_bounds(translation);
  keep_in_bounds(cached_translation);
}

void Camera::update_scroll_autoscroll

(

float

elapsed_time

)

[private]

Definition at line 607 of file camera.cpp.

References autoscroll_walker, Player::is_dying(), keep_in_bounds(), Sector::player, sector, and translation.

Referenced by update().

{
  Player* player = sector->player;
  if(player->is_dying())
    return;

  translation = autoscroll_walker->advance(elapsed_time);

  keep_in_bounds(translation);
}

void Camera::update_scroll_to

(

float

elapsed_time

)

[private]

Definition at line 619 of file camera.cpp.

References MANUAL, mode, scroll_from, scroll_goal, scroll_to_pos, scrollspeed, and translation.

Referenced by update().

{
  scroll_to_pos += elapsed_time * scrollspeed;
  if(scroll_to_pos >= 1.0) {
    mode = MANUAL;
    translation = scroll_goal;
    return;
  }

  translation = scroll_from + (scroll_goal - scroll_from) * scroll_to_pos;
}

void Camera::keep_in_bounds

(

Vector &

vector

)

[private]

Definition at line 279 of file camera.cpp.

References clamp(), Sector::get_height(), Sector::get_width(), SCREEN_HEIGHT, SCREEN_WIDTH, sector, translation, Vector::x, and Vector::y.

Referenced by reset(), scroll_to(), update_scroll_autoscroll(), and update_scroll_normal().

{
  float width = sector->get_width();
  float height = sector->get_height();

  // don't scroll before the start or after the level's end
  translation.x = clamp(translation.x, 0, width - SCREEN_WIDTH);
  translation.y = clamp(translation.y, 0, height - SCREEN_HEIGHT);

  if (height < SCREEN_HEIGHT)
    translation.y = height/2.0 - SCREEN_HEIGHT/2.0;
  if (width < SCREEN_WIDTH)
    translation.x = width/2.0 - SCREEN_WIDTH/2.0;
}

void Camera::shake

(

)

[private]

Definition at line 295 of file camera.cpp.

References Timer::get_timegone(), shakedepth_x, shakedepth_y, shakespeed, shaketimer, Timer::started(), translation, Vector::x, and Vector::y.

Referenced by update().

{
  if(shaketimer.started()) {
    translation.x -= sin(shaketimer.get_timegone() * shakespeed) * shakedepth_x;
    translation.y -= sin(shaketimer.get_timegone() * shakespeed) * shakedepth_y;
  }
}

Camera& Camera::operator=

(

const Camera &

)

[private]

---

Member Data Documentation

CameraMode Camera::mode

Definition at line 77 of file camera.hpp.

Referenced by parse(), scroll_to(), update(), and update_scroll_to().

Vector Camera::translation [private]

Definition at line 101 of file camera.hpp.

Referenced by get_center(), get_translation(), keep_in_bounds(), reset(), scroll_to(), set_scrolling(), shake(), update_scroll_autoscroll(), update_scroll_normal(), and update_scroll_to().

Sector* Camera::sector [private]

Definition at line 103 of file camera.hpp.

Referenced by keep_in_bounds(), update_scroll_autoscroll(), and update_scroll_normal().

LookaheadMode Camera::lookahead_mode [private]

Definition at line 106 of file camera.hpp.

Referenced by update_scroll_normal().

float Camera::changetime [private]

Definition at line 107 of file camera.hpp.

Referenced by update_scroll_normal().

Vector Camera::lookahead_pos [private]

Definition at line 108 of file camera.hpp.

Referenced by update_scroll_normal().

Vector Camera::peek_pos [private]

Definition at line 109 of file camera.hpp.

Referenced by update_scroll_normal().

Vector Camera::cached_translation [private]

Definition at line 110 of file camera.hpp.

Referenced by reset(), and update_scroll_normal().

std::auto_ptr<Path> Camera::autoscroll_path [private]

Definition at line 113 of file camera.hpp.

Referenced by parse().

std::auto_ptr<PathWalker> Camera::autoscroll_walker [private]

Definition at line 114 of file camera.hpp.

Referenced by parse(), and update_scroll_autoscroll().

Timer Camera::shaketimer [private]

Definition at line 117 of file camera.hpp.

Referenced by reset(), and shake().

float Camera::shakespeed [private]

Definition at line 118 of file camera.hpp.

Referenced by reset(), and shake().

float Camera::shakedepth_x [private]

Definition at line 119 of file camera.hpp.

Referenced by shake().

float Camera::shakedepth_y [private]

Definition at line 120 of file camera.hpp.

Referenced by shake().

Vector Camera::scroll_from [private]

Definition at line 123 of file camera.hpp.

Referenced by scroll_to(), and update_scroll_to().

Vector Camera::scroll_goal [private]

Definition at line 124 of file camera.hpp.

Referenced by scroll_to(), and update_scroll_to().

float Camera::scroll_to_pos [private]

Definition at line 125 of file camera.hpp.

Referenced by scroll_to(), and update_scroll_to().

float Camera::scrollspeed [private]

Definition at line 126 of file camera.hpp.

Referenced by scroll_to(), and update_scroll_to().

CameraConfig* Camera::config [private]

Definition at line 128 of file camera.hpp.

Referenced by Camera(), reload_config(), update_scroll_normal(), and ~Camera().

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

• src/object/camera.hpp
• src/object/camera.cpp

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